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Document and Entity Information - USD ($)	12 Months Ended
Document and Entity Information - USD ($)	Sep. 30, 2018	Dec. 04, 2018	Mar. 31, 2018
Document and Entity Information
Entity Registrant Name	LIQUIDITY SERVICES INC
Entity Central Index Key	0001235468
Document Type	10-K
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 168,264,570
Entity Common Stock, Shares Outstanding		33,078,212
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 58,448	$ 94,348
Short-term investments	20,000	0
Accounts receivable, net of allowance for doubtful accounts of $337 and $668 in 2018 and 2017, respectively	4,870	11,598
Inventory	10,122	20,736
Prepaid taxes and tax refund receivable	1,727	2,466
Prepaid expenses and other current assets	7,816	9,774
Total current assets	102,983	138,922
Property and equipment, net	16,610	16,793
Intangible assets, net	7,366	427
Goodwill	59,819	45,388
Deferred tax assets	930	962
Other assets	14,124	12,737
Total assets	201,832	215,229
Current liabilities:
Accounts payable	13,859	13,099
Accrued expenses and other current liabilities	21,373	30,193
Distributions payable	2,128	3,081
Deferred revenue	2,142	0
Payables to sellers	28,969	24,383
Total current liabilities	68,471	70,756
Deferred taxes and other long-term liabilities	3,707	11,837
Total liabilities	72,178	82,593
Commitments and contingencies (Notes 8 and 16)
Stockholders' equity:
Common stock, $0.001 par value; 120,000,000 shares authorized; 32,774,118 shares issued and outstanding at September 30, 2018; 31,503,349 shares issued and outstanding at September 30, 2017	33	29
Additional paid-in capital	236,115	227,264
Accumulated other comprehensive loss	(6,449)	(6,431)
Accumulated deficit	(100,045)	(88,226)
Total stockholders' equity	129,654	132,636
Total liabilities and stockholders' equity	$ 201,832	$ 215,229

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 337	$ 668
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	32,774,118	31,503,349
Common stock, shares outstanding (in shares)	32,774,118	31,503,349

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 149,677	$ 188,570	$ 233,828
Fee revenue	74,837	81,445	82,626
Total revenue from operations	224,514	270,015	316,454
Costs and expenses from operations:
Cost of goods sold (exclusive of depreciation and amortization)	100,087	126,227	143,127
Seller distributions	14,715	19,298	11,214
Technology and operations	60,786	82,988	93,405
Sales and marketing	33,703	35,211	37,570
General and administrative	30,158	35,835	39,717
Depreciation and amortization	4,599	5,796	6,502
Acquisition costs and related fair value adjustments and impairment of goodwill and long-lived assets	467	1,009	19,037
Other operating expenses	1,392	3,651	0
Total costs and expenses	245,907	310,015	350,572
Loss from operations	(21,393)	(40,000)	(34,118)
Interest income and other income, net	(450)	(362)	(1,217)
Loss before provision for income taxes	(20,943)	(39,638)	(32,901)
(Benefit) provision for income taxes	(9,328)	(451)	27,025
Net loss	$ (11,615)	$ (39,187)	$ (59,926)
Basic and diluted loss per common share (USD per share)	$ (0.36)	$ (1.25)	$ (1.96)
Basic and diluted weighted average shares outstanding (in shares)	32,095,491	31,402,921	30,638,163

Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,615)	$ (39,187)	$ (59,926)
Other comprehensive (loss) income:
Defined benefit pension plan—unrecognized amounts, net of taxes	773	1,589	(2,547)
Foreign currency translation	(791)	551	(398)
Other comprehensive (loss) income, net of taxes	(18)	2,140	(2,945)
Comprehensive loss	$ (11,633)	$ (37,047)	$ (62,871)

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit)
Balance (in shares) at Sep. 30, 2015		30,026,223
Balance at Sep. 30, 2015	$ 216,002	$ 29	$ 210,712	$ (5,626)	$ 10,887
Increase (Decrease) in Stockholders' Equity
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		716,439
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units	9		9
Compensation expense and incremental tax benefit from grants of common stock options and restricted stock	9,471		9,471
Net loss	(59,926)				(59,926)
Defined benefit pension plan—unrecognized amounts, net of taxes	(2,547)			(2,547)
Foreign currency translation	(398)			(398)
Balance (in shares) at Sep. 30, 2016		30,742,662
Balance at Sep. 30, 2016	162,611	$ 29	220,192	(8,571)	(49,039)
Increase (Decrease) in Stockholders' Equity
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		760,687
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units	93		93
Compensation expense and incremental tax benefit from grants of common stock options and restricted stock	6,979		6,979
Net loss	(39,187)				(39,187)
Defined benefit pension plan—unrecognized amounts, net of taxes	1,589			1,589
Foreign currency translation	551			551
Balance (in shares) at Sep. 30, 2017		31,503,349
Balance at Sep. 30, 2017	132,636	$ 29	227,264	(6,431)	(88,226)
Increase (Decrease) in Stockholders' Equity
Cumulative adjustment related to adoption of ASU 2016-09	(107)		100		(207)
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units (in shares)		973,755
Exercise of common stock options, grants of restricted stock awards, and vesting of restricted stock units	404	$ 1	403
Compensation expense and incremental tax benefit from grants of common stock options and restricted stock	6,346		6,346
Issuance of common stock for acquisition activity (in shares)		297,014
Issuance of common stock for acquisition activity	2,005	$ 3	2,002
Net loss	(11,615)				(11,615)
Defined benefit pension plan—unrecognized amounts, net of taxes	773			773
Foreign currency translation	(791)
Foreign currency translation	(788)			(791)	3
Balance (in shares) at Sep. 30, 2018		32,774,118
Balance at Sep. 30, 2018	$ 129,654	$ 33	$ 236,115	$ (6,449)	$ (100,045)

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Operating activities
Net loss	$ (11,615)	$ (39,187)	$ (59,926)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	4,599	5,796	6,502
Change in fair value of earnout liability	100	(954)	0
Stock compensation expense	6,597	7,377	12,247
Provision for inventory allowance	2,494	10,381	2,676
Provision for doubtful accounts	199	357	247
Deferred tax (benefit) expense	(10,945)	(620)	26,177
Impairment of goodwill and long-lived assets	0	1,963	18,998
Change in fair value of financial instruments	90	(573)	0
Incremental tax loss from exercise of common stock options and restricted stock	0	1,198	229
Gain on disposal of property and equipment	(480)	0	0
Changes in operating assets and liabilities:
Accounts receivable	6,582	(1,611)	(4,408)
Inventory	8,120	(3,507)	(4,776)
Prepaid and deferred taxes	739	730	27,057
Prepaid expenses and other assets	(689)	(1,024)	(160)
Accounts payable	670	3,192	232
Accrued expenses and other current liabilities	(9,576)	(14,882)	17,151
Distributions payable	(953)	1,359	(790)
Deferred revenue	743	0	0
Payables to sellers	4,586	(4,519)	(901)
Other liabilities	(642)	2,871	5,283
Net cash provided by (used in) operating activities	619	(31,653)	45,838
Investing activities
Increase in intangibles	(35)	(119)	(62)
Purchases of property and equipment, including capitalized software	(4,174)	(7,805)	(6,090)
Proceeds from note receivable	3,000	0	0
Proceeds from sale of property and equipment	828	0	0
Purchase of short-term investments	(20,000)	0	0
Cash paid for business acquisition, net of cash acquired	(16,673)	0	0
Net cash used in investing activities	(37,054)	(7,924)	(6,152)
Financing activities
Proceeds from exercise of common stock options (net of tax)	404	92	9
Incremental tax loss from exercise of common stock options and restricted stock	0	(1,198)	(229)
Net cash provided by (used in) financing activities	404	(1,106)	(220)
Effect of exchange rate differences on cash and cash equivalents	131	518	(418)
Net (decrease) increase in cash and cash equivalents	(35,900)	(40,165)	39,048
Cash and cash equivalents at beginning of period	94,348	134,513	95,465
Cash and cash equivalents at end of period	58,448	94,348	134,513
Supplemental disclosure of cash flow information
Earnout liability for acquisition activity	1,200	0	0
Issuance of common stock for acquisition activity	2,005	0	0
Cash (paid) received for income taxes, net	$ (916)	$ 793	$ 33,966

Organization	12 Months Ended
Organization	Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Liquidity Services (the “Company”) operates a network of ecommerce marketplaces that enable buyers and sellers to transact in an efficient, automated environment offering over 500 product categories. The Company’s marketplaces provide professional buyers access to a global, organized supply of new, surplus, and scrap assets presented with digital images and other relevant product information. Additionally, the Company enables its corporate and government sellers to enhance their financial return on offered assets by providing a liquid marketplace and value-added services that encompass the consultative management, valuation, and sale of surplus assets. The Company's services include program management, valuation, asset management, reconciliation, returns process management ("RPM"), refurbishment and recycling, fulfillment, marketing and sales, warehousing and transportation, buyer support, compliance and risk mitigation, as well as self-service tools for its sellers. The Company organizes the products on its marketplaces into categories across major industry verticals such as consumer electronics, general merchandise, apparel, scientific equipment, aerospace parts and equipment, technology hardware, energy equipment, industrial capital assets, fleet and transportation equipment and specialty equipment. The Company’s marketplaces are: www.liquidation.com, www.govdeals.com, www.networkintl.com, www.secondipity.com, www.go-dove.com, and www.auctiondeals.com. The Company also operates a global search engine for used machinery and equipment at www.machinio.com. The Company has over 11,000 sellers, including Fortune 1000 and Global 500 organizations as well as federal, state, and local government agencies. The Company has five reportable segments, Retail Supply Chain Group (RSCG), Capital Assets Group (CAG), GovDeals, Machinio, and Corporate & Other. See Note 17 for Segment Information. On July 10, 2018, the Company acquired 100% of Machinio Corp., (“Machinio”), a privately-owned company based in Chicago, Illinois, with a second office in Berlin, Germany. Machinio operates a global online platform for listing used equipment for sale in the construction, machine tool, transportation, printing and agriculture sectors. See Note 4 for further information on this acquisition. The Company's operations are subject to certain risks and uncertainties, many of which are associated with technology-oriented companies, including, but not limited to, the Company's dependence on use of the Internet, the effect of general business and economic trends, the Company's susceptibility to rapid technological change, actual and potential competition by entities with greater financial and other resources, and the potential for the commercial sellers from which the Company derives a significant portion of its inventory to change the way they conduct their disposition of surplus assets or to otherwise not renew their contracts with the Company. The Company has evaluated subsequent events through the date that these financial statements were issued and filed with the Securities and Exchange Commission.

Summary of Significant Accounting Policies

12 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect amounts in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates.

Principles of Consolidation and Basis of Presentation

The accompanying consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. Certain prior period amounts have been reclassified to conform to the current year's presentation. All intercompany balances and transactions have been eliminated in consolidation.

The accompanying consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. In addition, in the opinion of management, all adjustments (consisting of normal, recurring accruals) considered necessary for a fair presentation of the results for the periods presented have been included.

Business Combinations

The Company recognizes all of the assets acquired, liabilities assumed, contractual contingencies, and contingent consideration at their fair value on the acquisition date. Acquisition-related costs are recognized separately from the acquisition and expensed as incurred. Restructuring costs incurred in periods subsequent to the acquisition date are expensed when incurred. Subsequent changes to the purchase price (i.e., working capital adjustments) or other fair value adjustments determined during the measurement period are recorded as an adjustment to goodwill, with the exception of contingent consideration, which is recognized in the statement of operations in the period it is modified. All subsequent changes to a valuation allowance or uncertain tax position that relate to the acquired company and existed at the acquisition date that occur both within the measurement period and as a result of facts and circumstances that existed at the acquisition date are recognized as an adjustment to goodwill. All other changes in valuation allowances are recognized as a reduction or increase to income tax expense or as a direct adjustment to additional paid-in capital as required.

Cash and Cash Equivalents

The Company considers all highly liquid securities purchased with an initial maturity of three months or less to be cash equivalents.

Short-term Investments

The Company's short-term investments at September 30, 2018 consisted of various certificates of deposit with maturities of six months or less, and interest rates between 2% and 2.5%.

Accounts Receivable

Accounts receivable are recorded at the invoiced amount and are non-interest bearing. The Company maintains an allowance for doubtful accounts to reserve for potentially uncollectible receivables. Allowances are based on management’s judgment, which considers historical experience and specific knowledge of accounts where collectability may not be probable. The Company makes provisions based on historical bad debt experience, a specific review of all significant outstanding invoices and an assessment of general economic conditions.

Inventory

Inventory consists of property obtained for resale, generally through the online auction process, and is stated at the lower of cost or net realizable value. Cost is generally determined using the specific identification method. Costs associated with our warehouse operations are expensed as incurred and included within technology and operations expenses in the Statements of Operations. Charges for unsellable inventory, as well as for inventory written down to expected market price, are included in Cost of goods sold in the period in which they have been determined to occur. During 2017, the Company recorded a $3.1 million inventory write-down within its IronDirect operating segment, as the carrying value of this inventory was written down to its expected market value. As of September 30, 2018, and 2017, the Company's inventory reflects write-downs of approximately $0.5 million and $4.6 million, respectively.

Prepaid expenses and other current assets

Prepaid expenses and other current assets includes prepaid income tax, financial assets, the short-term portion of a promissory note (described in "Other Assets"), as well as other miscellaneous prepaid expenses. Financial assets are related to participation agreements for principal transactions in the Company's commercial business. Changes in the fair value of the Company's financial assets are recorded in Other operating expense. See Note 12 for further information.

Other Assets

On September 30, 2015, the Company sold certain assets related to its Jacobs Trading business to Tanager Acquisitions, LLC (the ‘‘Buyer’’). In connection with the disposition, the Buyer assumed certain liabilities related to the Jacobs Trading business. The Buyer issued a $12.3 million 5-year interest bearing promissory note to the Company. Of the $12.3 million, $4.0 million has been repaid as of September 30, 2018. Of the $8.3 million outstanding at September 30, 2018, $6.3 million was recorded in Other assets, and $2.0 million in Prepaid expenses and other current assets as of September 30, 2018.

Property and Equipment

Property and equipment are recorded at cost, and depreciated or amortized on a straight-line basis over the following estimated useful lives:



Computers and purchased software		One to five years
Office equipment		Three to five years
Furniture and fixtures		Five to seven years
Internally developed software for internal-use		Seven years
Leasehold improvements		Shorter of lease term or useful life
Buildings		Thirty-nine years
Land		Not depreciated

Intangible Assets

Intangible assets primarily consist of contract intangibles, brand and technology, and patent and trademarks. Intangible assets are amortized using the straight-line method over their estimated useful lives, ranging from three to ten years.

Impairment of Long-Lived Assets

Long-lived assets, including definite lived intangible assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be fully recoverable. If an impairment indicator is present, the Company evaluates recoverability by comparing the carrying amount of the assets to future undiscounted net cash flows expected to be generated by the assets. If the assets are impaired, the impairment recognized is measured by the amount by which the carrying amount exceeds the estimated fair value of the assets. No impairment was recorded during the year ended September 30, 2018. During the year ended September 30, 2017, the Company recorded a $1.2 million impairment of a contract intangible associated with its IronDirect business, and a $0.6 million impairment to leasehold improvements, also associated with its IronDirect business.

Goodwill

The Company reviews goodwill for impairment annually or more frequently if events or circumstances indicate impairment may exist. Examples of such events or circumstances could include a significant change in business climate or the loss of a significant buyer. In evaluating goodwill for impairment, the Company first assesses qualitative factors to determine whether it is more than likely than not (that is, a likelihood of more than 50 percent) that the fair value of a reporting unit is less than its carrying amount. If the Company concludes that it is not more likely than not that the fair value of the reporting unit is less than its carrying value, no further testing of goodwill assigned to the reporting unit is required. However, if the Company concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying value, the Company applies a two-step fair value-based test to assess goodwill for impairment. The first step compares the fair value of a reporting unit to its carrying amount, including goodwill. If the carrying amount of the reporting unit exceeds its fair value, the second step is then performed. The second step compares the carrying amount of the reporting unit's goodwill to the implied fair value of the goodwill. If the implied fair value of the goodwill is less than the carrying amount, an impairment loss would be recorded in the statement of operations.

The annual goodwill impairment assessment was performed as of July 1, 2018, for the year ended September 30, 2018.

Deferred Revenue

Deferred revenue is primarily derived from subscription fees charged to customers for promotional placement on Machinio's search engine over periods ranging from one to fifteen months. Subscription fees are recognized ratably over the term of the agreements.

Revenue Recognition

The Company recognizes revenue when all of the following criteria are met:


•	a buyer submits the winning bid in an auction and, as a result, evidence of an arrangement exists, and the sale price has been determined;


•	the buyer has assumed the risks and rewards of ownership; and


•	collection is reasonably assured.

The Company evaluates revenue to determine whether the Company should report the gross proceeds as revenue (when the Company acts as the principal in the arrangement) or the Company should report its net commissions and related fees as revenue (when the Company acts as an agent). In arrangements in which the Company is deemed to be the primary obligor, bears physical and general inventory risk, and credit risk, the Company recognizes as revenue the gross proceeds from the sale, including buyer's premiums. The Company has evaluated its revenue recognition policy related to sales under its purchase transaction model and determined it is appropriate to account for these sales on a gross basis. In the Company's evaluation, the Company relied most heavily upon its status as primary obligor in the sales relationship and the fact that the Company has general inventory risk.

In arrangements in which the Company acts as an agent or broker on a consignment basis, without taking physical or general inventory risk, the Company recognizes revenue based on the sales commissions that are paid to the Company by the sellers for utilizing the Company's services; in this situation, sales commissions represent a percentage of the gross proceeds from the sale that the seller pays to the Company upon completion of the transaction. Such revenue as well as other fee revenue is presented as Fee Revenue in the Consolidated Statements of Operations.

The Company collects and remits sales taxes on merchandise that it purchases and sells and reports such amounts under the net method in its Consolidated Statements of Operations.

The Company records revenue for subscriptions to Machinio's search engine on a straight-line basis over the term of the agreement.

Cost of Goods Sold

Cost of goods sold includes the costs of purchasing and transporting property for auction as well as credit card transaction fees. The Company purchases the majority of its inventory at a percentage of the vendor's original acquisition cost under the Surplus Contract and certain commercial contracts, and at a percentage of the vendor's last retail price under certain commercial contracts. Title for the inventory passes to the Company at the time of purchase and the Company bears the risks and rewards of ownership. The Company does not have title to assets sold on behalf of its commercial or government sellers when it receives only sales commission revenue and, as such, recognizes no inventory and related cost of goods sold associated with those sales. Cost of goods sold also includes shipping and handling costs.

Risk Associated with Certain Concentrations

For the majority of buyers that receive goods before payment to the Company is made, credit evaluations are performed. However, for the remaining buyers, goods are not shipped before payment is made, and as a result the Company is not subject to significant collection risk from those buyers.

For consignment sales transactions, funds are typically collected from buyers and are held by the Company on the sellers' behalf. The funds are included in cash and cash equivalents in the consolidated financial statements. The Company releases the funds to the seller, less the Company's commission and other fees due, after the buyer has accepted the goods or within 30 days, depending on the state where the buyer and seller conduct business. The amount of cash held on behalf of the sellers is recorded as Payables to sellers in the accompanying Consolidated Balance Sheets.

Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and cash equivalents in banks over FDIC limits, and accounts receivable. The Company deposits its cash with financial institutions that the Company considers to be of high credit quality.

During the years ended September 30, 2018, 2017, and 2016, the Company had two material vendor contracts with the Department of Defense (DoD) under which it acquired, managed and sold government property. Revenue from the sale of property acquired, as well as provision of services, under the Surplus Contract accounted for 12.4%, 27.6%, and 31.0%, of the Company's consolidated revenue for the years ended September 30, 2018, 2017, and 2016, respectively. Revenue from the sale of property acquired under the Scrap Contract accounted for approximately 10.2%, 11.1% and 10.2% of the Company's total revenue for the years ended September 30, 2018, 2017, and 2016, respectively. These contracts are included within the Company's CAG segment. See Note 3, Significant Contracts, for further information related to the wind-down of the Surplus Contract.

Additionally, the Company has multiple vendor contracts with Amazon.com, Inc. under which it acquires and sells commercial merchandise. The property purchased under this contract represented approximately 33.7%, 21.8%, and 12.1% of cost of goods sold for the years ended September 30, 2018, 2017, and 2016, respectively. This contract is included within the RSCG segment.

Income Taxes

The Company accounts for income taxes using an asset and liability approach for measuring deferred taxes based on temporary differences between the financial statement and income tax bases of assets and liabilities existing at each balance sheet date using enacted tax rates for the years in which the taxes are expected to be paid or recovered. The Company recognizes deferred tax assets to the extent that it believes that these assets are more likely than not to be realized. In making such determination, the Company considers all available positive and negative evidence to estimate whether future taxable income will be generated to permit use of the existing deferred tax asset. The resulting net tax asset reflects management's estimate of the amount that will be realized.

The Company applies the authoritative guidance related to uncertainty in income taxes. Accounting Standards Codification (ASC) 740 states that a benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, on the basis of technical merits. The Company records unrecognized tax benefits as a reduction to its deferred tax asset for its net operating loss carryforward. During the year ended September 30, 2018, the Company did not record any unrecognized tax benefits. The Company’s policy is to recognize interest and penalties in the period in which they occur in the income tax provision. The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, various state and local jurisdictions and in foreign jurisdictions including, among others, Canada and the U.K.

Stock-Based Compensation

The Company estimates the fair value of share-based awards on the date of grant. The Company issues stock options and stock appreciation rights with restrictions that lapse upon either the passage of time (service vesting conditions), the achievement of performance targets (performance vesting conditions), or some combination thereof. In addition, the Company issues stock options that vest upon the achievement of certain Company stock price targets (market vesting conditions). The fair value of stock options and stock appreciation rights with service and/or performance vesting conditions is determined using the Black-Scholes option-pricing model. For those stock options with only service vesting conditions, the Company recognizes compensation cost on a straight-line basis over the explicit service period. For stock options with both performance and service vesting conditions, the Company starts recognizing compensation cost over the remaining service period, when it is probable the performance condition will be met. The stock appreciation rights that include only service conditions generally vest over a period of one to four years conditioned on continued employment for the incentive period.

The Company issues restricted stock units with service vesting conditions, performance vesting conditions, and market vesting conditions, or some combination thereof. For those restricted stock units with only service vesting conditions, the Company recognizes compensation cost on a straight-line basis over the explicit service period. The Company also issues restricted stock awards with service and performance vesting conditions. For restricted stock awards and units with both performance and service vesting conditions, the Company starts recognizing compensation cost over the remaining service period when it is probable the performance condition will be met. The fair value of restricted stock awards and units with service vesting and/or performance vesting conditions is based on the closing price of the Company’s common stock on the date of grant.

For the Company's stock options and restricted stock units with market vesting conditions, the ultimate number of shares to be earned depends on the Company's total shareholder return during the performance period. The fair value of these stock options and restricted stock units is estimated on the grant date using a Monte Carlo simulation model. The Company recognizes compensation cost for stock options and restricted stock units with market vesting conditions over the derived service period.

The determination of the fair value of the Company’s stock options and stock appreciation rights with service and performance vesting conditions is based on a variety of factors including, but not limited to, the Company’s common stock price on the date of grant, expected stock price volatility over the expected life of units, expected term, risk-free rate, and dividend yield. The determination of the fair value of the Company’s stock options and restricted stock units with service and market vesting conditions is based on a variety of factors including, but not limited to, the Company’s common stock price on the grant date, expected stock price volatility, risk free interest rate, dividend yield, and projected exercise behavior.

Upon adoption of ASU 2016-09, Compensation - Stock Compensation (Topic 718), in the first quarter of 2018, the Company recognized forfeitures of share-based awards as they occur in the period of forfeiture rather than estimating the number of awards expected to be forfeited at the grant date and subsequently adjusting the estimate when awards are actually forfeited. The change in accounting policy resulted in an adjustment to retained earnings of $0.2 million as of October 1, 2017.

Stock options and restricted stock units that contain performance vesting or market vesting conditions are excluded from, diluted earnings per share computations until the applicable contingency is met as of the end of that reporting period.

The Company presents the cash flows from the tax benefits resulting from tax deductions in excess of the compensation cost recognized for those options (excess tax benefits) as an operating activity in the Consolidated Statements of Cash Flows.

Advertising Costs

Advertising expenditures are expensed as incurred. Advertising costs charged to expense were $3.6 million, $5.2 million and $6.0 million for the years ended September 30, 2018, 2017 and 2016, respectively.

Fair Value of Financial Instruments

Cash and cash equivalents, accounts receivable, accounts payable, profit-sharing distributions payable, and payables to sellers reported in the Consolidated Balance Sheets approximate their fair values. During the year ended September 30, 2018, the Company held financial assets that were related to participation agreements for principal transactions in the Company's commercial business. At September 30, 2018, the Company no longer held such financial assets.

Lastly, at September 30, 2018 the Company held short-term investments which consisted of various certificates of deposit with maturities of six months or less, and interest rates between 2% and 2.5%.

In addition, as a result of the Machinio acquisition, the sellers are eligible to receive earn-out consideration up to $5.0 million. The earn-out consideration was valued at approximately $1.2 million at the acquisition date.

Changes in the fair value of the Company's financial instruments are recorded in Other operating expense.

Foreign Currency Translation

The functional currency of the Company's foreign subsidiaries is primarily the local currency. The translation of the subsidiary's financial statements into U.S. dollars is performed for balance sheet accounts using exchange rates in effect at the balance sheet date and for revenue and expense accounts using an average exchange rate during the period. The resulting translation adjustments are recognized in accumulated other comprehensive (loss) income, a separate component of stockholders' equity. Realized foreign currency transaction gains and losses for 2018, 2017 and 2016 are included in interest and other income (expense), net in the Consolidated Statements of Operations.

Accumulated Other Comprehensive Income (loss)

The following table shows the changes in accumulated other comprehensive income (loss), net of taxes (in thousands):



	Foreign Currency Translation Adjustments			Net Change Pension and Other Postretirement Benefit Plans			Accumulated Deficit
Balance at September 30, 2015	$	(6,947	)	$	1,321		$	(5,626	)
Current-period other comprehensive (loss) income	(398		)	(2,547		)	(2,945		)
Balance at September 30, 2016	(7,345		)	(1,226		)	(8,571		)
Current-period other comprehensive (loss) income	551			1,589			2,140
Balance at September 30, 2017	(6,794		)	363			(6,431		)
Current-period other comprehensive (loss) income	(791		)	773			(18		)
Balance at September 30, 2018	$	(7,585	)	$	1,136		$	(6,449	)

Earnings per Share

The Company calculates net income (loss) per share in accordance with Financial Accounting Standards Board (FASB) Topic 260 Earnings Per Share (“ASC 260”). Under ASC 260, basic net income (loss) per common share is calculated by dividing net income (loss) by the weighted-average number of common shares outstanding during the reporting period. The weighted average number of shares of common stock outstanding includes vested restricted stock units. Diluted net income (loss) per share (“EPS”) reflects the potential dilution that could occur assuming conversion or exercise of all dilutive unexercised stock options and unvested restricted stock units. The dilutive effect of unexercised stock options and unvested restricted stock units was determined using the treasury stock method. Under the treasury stock method, the proceeds received from the exercise of stock options, the amount of compensation cost for future service not yet recognized by the Company and the amount of tax benefits that would be recorded in additional paid-in capital when stock options become deductible for income tax purposes are all assumed to be used to repurchase shares of the Company’s common stock. Stock options and restricted stock units are not included in the computation of diluted net income (loss) per share when they are antidilutive.

The Company has not included the following stock options in the calculation of diluted income per share because the option exercise prices were greater than the average market prices for the applicable periods:

(a) for the year ended September 30, 2018 1,170,125 options;

(b) for the year ended September 30, 2017 1,023,072 options; and

For the years ended September 30, 2018, 2017 and 2016, the basic and diluted weighted average common shares were the same because the inclusion of dilutive securities would have been anti-dilutive. Diluted net income attributable to common stockholders per share includes the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. See Note 11 for outstanding stock options and unvested restricted stock, all of which are anti-dilutive as of September 30, 2018.

Recent Accounting Pronouncements

Accounting Standards Adopted

In March 2016, the FASB issued Accounting Standards Update (“ASU”) 2016-09, Compensation - Stock Compensation (Topic 718). This update was issued as part of the FASB’s simplification initiative and affects all entities that issue share-based awards to their employees. The amendments in this update cover such areas as the recognition of excess tax benefits and deficiencies and an accounting policy election for forfeitures. As part of the new guidance:

•Excess tax benefits and deficiencies arising from share-based awards are reflected in the condensed consolidated statements of operations as income tax expense rather than within stockholders’ equity.

•Excess tax benefits will be presented as an operating activity on the statement of cash flows rather than as a financing activity.

•A forfeiture election will be made to either estimate forfeitures (similar to the requirement in effect prior to adoption of the update) or recognize actual forfeitures as they occur. Entities will apply the forfeiture election provision using a modified retrospective transition approach, with a cumulative effect adjustment recorded to retained earnings as of the beginning of the period of adoption.

•Methods used to satisfy statutory tax withholding requirements by employers who withhold shares upon settlement of an award on behalf of an employee to cover tax obligations are broadened to allow for a range of withholding from the minimum to the maximum statutory allowable amounts.

The Company adopted the provisions of this guidance during the first quarter of 2018 as follows:

•Excess tax benefits and deficiencies arising from share-based awards are reflected within the Consolidated Statements of Operations as income tax expense; adopted prospectively, with no impact to prior year amounts;

•Excess tax benefits are presented as an operating activity on the statement of cash flows; adopted prospectively with no impact on prior year amounts.

As part of its adoption of ASU 2016-09, the Company made an accounting policy election to change the way in which it accounts for forfeitures of share-based awards. Specifically, beginning in the first quarter of 2018, the Company recognizes forfeitures of share-based awards as they occur in the period of forfeiture rather than estimating the number of awards expected to be forfeited at the grant date and subsequently adjusting the estimate when awards are actually forfeited. The change in accounting policy resulted in an adjustment to retained earnings as of October 1, 2017 of approximately $0.2 million.

Accounting Standards Not Yet Adopted

In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805). ASU 2017-01 clarifies the definition of a business to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. The definition of a business affects many areas of accounting including acquisitions, disposals, goodwill, and consolidation. This guidance will become effective for the Company beginning on October 1, 2018. The amendments in this update should be applied prospectively on or after the effective date. No disclosures are required at transition. The Company does not expect the adoption of this standard to have a material effect upon the consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers, which supersedes most existing revenue recognition guidance under GAAP. The new standard will change the way the Company recognizes revenue and significantly expand the disclosure requirements for revenue arrangements. The guidance may be adopted either retrospectively or on a modified retrospective basis whereby the new standard would be applied to new and existing arrangements with remaining performance obligations as of the effective date, with a cumulative catch-up adjustment recorded to retained earnings at the effective date for existing arrangements with remaining performance obligations. During the year ended September 30, 2017, the Company initiated a formal project to assess the new standard, which was completed in three phases: an assessment phase, a design phase, and an implementation phase. The Company completed the assessment phase, which consisted of reviewing a representative sample of contracts, engaging in discussions with key stakeholders, and cataloging potential impacts on the Company’s accounting policies, financial statements, and systems and processes. The Company has also completed the design phase, which consisted of performing an in-depth contract review process, drafting a set of accounting policies in compliance with the new standard, and quantifying the impact of the adoption of this new standard. The Company is currently in the process of implementing the new standard during the first quarter of 2019. The Company has decided to adopt the standard on a modified retrospective basis. The expected impact on the Company's reported results of adopting the new standard is a $0.8 million increase to retained earnings, with the offset as an increase to the Company's assets at the transition date of October 1, 2018. An estimated $0.7 million of this impact results from the recognition of variable consideration at the point in time in which it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty is resolved. The remaining impact of $0.1 million relates to the recognition of sales commissions paid to certain employees for costs to obtain contracts that will benefit the Company over an estimated period of greater than twelve months.

In February 2016, the FASB issued ASU 2016-2, Leases. ASU 2016-02 will change the way the Company recognizes its leased assets. ASU 2016-2 will require organizations that lease assets-referred to as "lessees"-to recognize on the balance sheet the assets and liabilities representing the rights and obligations created by those leases. ASU 2016-2 will also require disclosures to help investors and other financial statement users better understand the amount, timing, and uncertainty of cash flows arising from leases. The guidance will be effective for the Company beginning on October 1, 2019. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The Company is currently evaluating the new standard and the effect that adoption of the standard is expected to have on the Company's consolidated financial statements and related disclosures.

In January 2017, the FASB issued ASU 2017-04, Intangibles-Goodwill and Other (Topic 350). Under ASU 2017-04 the entity is required to perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity is required to recognize an impairment charge for the amount by which the carrying amount of a reporting unit exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity is required to consider income tax effects from any tax-deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss, if applicable. This guidance will become effective for the Company beginning on October 1, 2020. The Company is currently evaluating the methods of adoption allowed by the new standard.

In March 2017, the FASB issued ASU 2017-07, Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. ASU 2017-07 changes how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the cost of the benefits in the income statement. Under this standard, employers will present the service cost component of net periodic benefit cost in the same income statement line item(s) as other employee compensation costs arising from services rendered during the period. Employers will present the other components of the net periodic benefit cost separately from the line item(s) that includes the service cost and outside of any subtotal of operating income, if one is presented. This guidance will become effective for the Company beginning on October 1, 2018. The Company is currently evaluating its adoption of this standard. The Company does not expect the adoption of this standard to have a significant impact on the Company’s consolidated financial statements and related disclosures.

In February 2018, the FASB issued ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. ASU 2018-02 allows entities to elect to classify from accumulated other comprehensive income (loss) to retained earnings stranded tax effects resulting from the Tax Cuts and Jobs Act enacted on December 22, 2017. An entity that does not elect to reclassify the income tax effects of the Tax Cuts and Jobs Act shall disclose in the period of adoption a statement that the election was not made. This guidance will become effective for the Company beginning on October 1, 2019. The Company is currently evaluating the methods of adoption of the new standard and the effect that adoption of the standard is expected to have on the Company’s consolidated financial statements and related disclosures.

In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This update is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The update provides new guidance regarding the classification of debt prepayment or debt extinguishment costs, settlement of zero-coupon debt instruments, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies, distributions received from equity method investments, beneficial interests in securitized transactions, and separately identifiable cash flows and application of the predominance principle. This guidance will become effective for the Company beginning on October 1, 2018. Early adoption of the standard is permitted. The Company does not expect the adoption of this standard to have a significant impact on the Company’s consolidated financial statements and related disclosures.

Significant Contracts	12 Months Ended
Significant Contracts	Sep. 30, 2018
Contractors [Abstract]
Significant Contracts	Significant Contracts DLA Disposition Services Historically, the Company had two material vendor contracts with the DoD, the Scrap Contract and the Surplus Contract. Under the Scrap Contract, the Company is the remarketer of all DoD non-electronic scrap turned into the Defense Logistics Agency (DLA) available for sale within the United States, Puerto Rico, and Guam. The current Scrap Contract was awarded to the Company in April 2016. The Scrap Contract has a 36-month base term that commenced in the first quarter of 2017, with two 12-month extension options exercisable by the DLA. The base term of the Scrap Contract will expire on September 30, 2019. The Company pays a revenue-sharing payment to the DLA under this contract equal to 64.5% of the gross resale proceeds of the scrap property, and the Company bears all of the costs for the sorting, merchandising and sale of the property. The contract contains a provision permitting the DLA to terminate the contract for convenience upon written notice to the Company. Revenue from the Scrap Contract accounted for approximately 10.2%, 11.1%, and 10.2% of the Company's consolidated revenue for the years ended September 30, 2018, 2017 and 2016, respectively. The Surplus Contract was a competitive-bid contract under which the Company acquired, managed and sold usable DoD surplus personal property turned into the DLA. Surplus property generally consisted of items the DoD determined were no longer needed, and not claimed for reuse by any federal agency, such as electronics, industrial equipment, office supplies, scientific and medical equipment, aircraft parts, clothing and textiles. The Surplus Contract required the Company to purchase all usable surplus property offered to the Company by the DoD at 4.35% of the DoD's original acquisition value. The Company retained 100% of the profits from the resale of the property and bore all of the costs for the merchandising and sale of the property. Included in Accrued expenses and other current liabilities in the Consolidated Balance Sheet is a liability to the DoD for the inventory that has not been paid for in the amount of zero, $6.2 million and $16.1 million, as of September 30, 2018, 2017 and 2016, respectively, On October 11, 2017, the DLA published a Request for Technical Proposal (“RFTP”) and draft Invitation for Bid (“IFB”) for the sale of surplus, useable non-rolling stock property. The RFTP and IFB related to the DLA’s award of two new term surplus contracts. On December 5, 2017, the DLA determined that the Company was not the high bidder for either of the two contracts. The Company made its final inventory purchase under the Surplus Contract during December 2017, and as of June 30, 2018 had completed its wind-down of the Surplus Contract. Revenue from the Surplus Contract accounted for approximately 12.4%, 27.6% and 31.0%, of the Company's consolidated revenue for the years ended September 30, 2018, 2017 and 2016, respectively.

Acquisition

12 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Acquisition

Machinio

On July 10, 2018, the Company, entered into a definitive agreement to acquire 100% of the issued and outstanding capital stock of Machinio, a Delaware corporation. Machinio operates a global online platform for listing used equipment for sale in the construction, machine tool, transportation, printing and agriculture sectors. The primary reason for the acquisition was to expand the services and channels the Company offers to its sellers, and to grow the Company's network of buyers. For segment reporting purposes, Machinio is a separate reportable segment.

The consideration paid to the Sellers for the acquisition of Machinio equity was approximately $19.9 million in cash, earn-out consideration, and Company equity, including the acquisition of Machinio cash of approximately $1.5 million at the closing and a closing working capital purchase price adjustment (for a net cash consideration of approximately $16.7 million). Shares of restricted stock of the Company issued in a private placement to Machinio executives in exchange for their shares of Machinio stock valued at approximately $2.0 million were included in the consideration. In addition, the Machinio sellers are eligible to receive earn-out consideration up to $5.0 million. The earn-out consideration was valued at approximately $1.2 million at the acquisition date.

In connection with the acquisition, the Company issued restricted stock units and restricted stock awards valued at approximately $4.7 million in the aggregate to Machinio’s executives and employees. The restricted stock units and restricted stock awards are subject to performance-based vesting, based upon the achievement of certain annual revenue and adjusted EBITDA targets through calendar year 2021, in each case, subject to each recipient’s continued employment with the Company on such vesting dates and other standard terms and conditions set forth in the respective grant agreements.

Under the acquisition method of accounting, the total estimated purchase price is allocated to Machinio's net tangible and intangible assets acquired based on their estimated fair values as of July 10, 2018. Based on management's valuation of the fair value of tangible and intangible assets acquired and liabilities assumed, goodwill of approximately $14.6 million was recorded, of which zero is deductible for tax purposes. The purchase price was allocated as follows:



	Consideration Amount
	(in thousands)
Other Current Assets	$	106
Goodwill	14,558
Customer relationships intangible asset	3,100
Developed technology intangible asset	2,700
Trade name intangible asset	1,500
Property and equipment and other long-term assets	252
Liabilities excluding deferred revenue	(956		)
Deferred revenue	(1,400		)
Total consideration	$	19,860

Related to the recognition of intangible assets for customer relationships, developed technology, and trade name, as well as the earn-out consideration and deferred revenue, certain nonrecurring fair value measurements were performed as of the acquisition date under the provisions of ASC 805. The fair value measurements were classified as Level 3 assets within the fair value hierarchy under the provisions of ASC 820 and ASC 805. The significant unobservable inputs used in the fair value measurements categorized within Level 3 of the fair value hierarchy were rates of return ranging from 30% to 35% for the identifiable intangible assets and deferred revenue and 12% to 17% for the contingent consideration. The valuation processes used included the relief from royalty method and the multi-period excess earnings method for the identifiable intangible assets, cost to fulfill method for the deferred revenue, and a lattice valuation method to estimate the fair value of the contingent consideration.

The net sales and operating losses of Machinio included within the Consolidated Financial Statements since the date of acquisition was $0.7 million and $(0.9) million for the year ended September 30, 2018.

The following pro-forma financial information presents the Company's results as if the acquisition had occurred on October 1, 2016:



	Year Ended September 30,
	2018			2017
	(in thousands)
Revenue	$	228,484		$	272,231
Net loss	$	(12,857	)	$	(42,289	)

This pro-forma information includes nonrecurring adjustments for the amortization of intangible assets and the recognition of deferred revenue.

Property and Equipment

12 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment, including equipment under capital lease obligations, consists of the following:



	September 30,
	2018			2017
	(in thousands)
Computers and purchased software	$	2,488		$	23,724
Internally developed software for internal-use	8,094			7,100
Office/Operational equipment	5,957			6,845
Leasehold improvements	2,918			4,167
Building	2,572			2,558
Furniture and fixtures	1,056			1,247
Vehicles	858			1,048
Land	754			754
Construction in progress	2,991			944
Total property and equipment	27,688			48,387
Less: Accumulated depreciation and amortization	(11,078		)	(31,594		)
Total property and equipment, net	$	16,610		$	16,793

Depreciation and amortization expense related to property and equipment for the years ended September 30, 2018, 2017 and 2016, was $4.2 million, $4.8 million and $5.1 million, respectively. During the year ended September 30, 2018, the Company transferred $0.4 million from Construction in progress to internally developed software for internal-use and capitalized an additional $2.5 million in cost associated with internally developed software for internal-use. During the year ended September 30, 2017, the Company transferred $3.9 million from Construction in progress to internally developed software for internal-use and capitalized an additional $3.2 million in cost associated with internally developed software for internal-use.

Amortization of internally developed software for internal-use was $1.4 million and $0.4 million for the years ended September 30, 2018 and September 30, 2017. There was no amortization expense for internally developed software for internal-use in 2016.

The Company did not record fixed asset impairment charges in 2018. During the year ended September 30, 2017, the Company recorded $0.6 million in fixed asset impairment charges associated with leasehold improvements in its IronDirect business. These impairment charges are recorded in the Acquisition costs and related fair value adjustments and impairment of goodwill and long-lived assets line item in the Consolidated Statements of Operations and reported under the Corporate & Other segment.

Goodwill

12 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The annual goodwill impairment assessment was performed as of July 1, 2018, for the year ended September 30, 2018.

The goodwill of acquired companies is primarily related to the acquisition of an experienced and knowledgeable workforce.

A reporting unit represents a component of an operating segment that (a) constitutes a business, (b) has discrete financial information, and (c) has its performance is reviewed by management. During the year ended September 30, 2016, the Company concluded that it had five reporting units—RSCG, CAG, GovDeals, TruckCenter, and IronDirect. During 2017, the Company exited certain TruckCenter operations in order to focus its time and resources on its ecommerce marketplace strategy. As a result, as of September 30, 2017, the Company had four reporting units-RSCG, CAG, GovDeals and IronDirect. As a result of the acquisition of Machinio during the year ended September 30, 2018, the Company had five reporting units-RSCG, CAG, GovDeals, IronDirect, and Machinio at September 30, 2018.

As a result of the Company's 2016 annual impairment assessment, the Company recorded a $19.0 million impairment charge to its RSCG reporting unit. The goodwill impairment was due to updated assumptions used in the fair value calculation.

As part of the Company's 2018 and 2017 annual impairment assessments, the Company determined that certain events required the Company to evaluate goodwill to identify potential impairment. After performing the evaluation, the Company concluded the remaining reporting units with goodwill had fair values as of July 1, 2018 and 2017, that substantially exceeded their respective book values.

The following summarizes the goodwill activity for the Company's reportable segments that have goodwill during the periods indicated:



Goodwill (in thousands)	RSCG			CAG			GovDeals		Machinio		Total
Balance at September 30, 2015	$	18,604		$	45,469		$	—	$	—	$	64,073
Reallocation of goodwill	—			(23,731		)	23,731		—		—
Impairment charge	(18,998		)	—					—		(18,998		)
Translation adjustments	394			(335		)	—		—		59
Balance at September 30, 2016	$	—		$	21,403		$	23,731	$	—	$	45,134
Translation adjustments	—			254			—		—		254
Balance at September 30, 2017	$	—		$	21,657		$	23,731	$	—	$	45,388
Business acquisition	—			—			—		14,558		14,558
Translation adjustments	—			(127		)	—		—		(127		)
Balance at September 30, 2018	$	—		$	21,530		$	23,731	$	14,558	$	59,819

Machinio is a business acquired during the year ended September 30, 2018. See Note 4 for acquisition information.

Accumulated goodwill impairment losses as of September 30, 2018 and 2017 were $168.6 million.

Intangible Assets

12 Months Ended

Sep. 30, 2018

Finite-Lived Intangible Assets, Net [Abstract]

Intangible Assets



		Balance as of September 30, 2018								Balance as of September 30, 2017
	Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted average useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
		(in thousands)								(in thousands)
Contract intangibles	6	$	3,100	$	(129	)	$	2,971	6.0	$	—	$	—		$	—
Brand and technology	5	2,700		(135		)	2,565		5.0	—		—			—
Patent and trademarks	7 - 10	2,269		(439		)	1,830		7.8	943		(516		)	427
Total intangible assets, net		$	8,069	$	(703	)	$	7,366		$	943	$	(516	)	$	427

Future expected amortization of intangible assets at September 30, 2018, is as follows:



Year Ending September 30,	Amortization
	(in thousands)
2019	$	1,338
2020	1,336
2021	1,330
2022	1,322
2023	1,177
2024 and after	863
Total	$	7,366

On July 10, 2018, the Company acquired 100% of the issued and outstanding capital stock of Machinio. As part of this acquisition, the Company recorded intangible assets for customer relationships, developed technology, and trade name. See Note 4 for further information on this acquisition.

Amortization expense related to intangible assets for the years ended September 30, 2018, 2017 and 2016 was $0.4 million, $1.0 million and $1.4 million, respectively.

The Company did not record intangible asset impairment charges in 2018. During 2017, the Company recorded a $1.2 million impairment of a contract intangible associated with customer relationships in its IronDirect business and reduced the remaining unamortized value of this intangible asset to zero. The Company also concluded that a covenant not to compete intangible asset received in connection with the acquisition of the TruckCenter business, was impaired due to the exit of the TruckCenter land-based, live auction and retail business. The Company recorded a $0.1 million charge and reduced the remaining unamortized value of this intangible asset to zero during the year ended September 30, 2017. These impairment charges are recorded in the Acquisition costs and related fair value adjustments and impairment of goodwill and long-lived assets line item in the Consolidated Statements of Operations and reported under the Corporate & other segment.

Commitments

12 Months Ended

Sep. 30, 2018

Leases, Operating [Abstract]

Commitments

Leases

The Company leases certain office space and equipment under non-cancelable operating lease agreements, which expire at various dates through 2023. Certain of the leases contain escalation clauses and provide for the pass-through of increases in operating expenses and real estate taxes. Rent related to leases that have escalation clauses is recognized on a straight-line basis. Resulting deferred rent charges are included in other long-term liabilities and were $0.6 million and $0.6 million, at September 30, 2018 and 2017, respectively. Future minimum payments under the leases as of September 30, 2018, are as follows:



Year Ending September 30,	Operating Lease Payments
	(in thousands)
2019	$	5,952
2020	2,881
2021	1,743
2022	1,001
2023	305
Total future minimum lease payments	$	11,882

On June 16, 2017 the Company entered into a sub-lease agreement for 18,412 square feet of office space at 6931 Arlington Road, Bethesda, Maryland. The sub-lease commenced September 29, 2017 and will expire April 30, 2023. On the sub-lease commencement date, the Company relocated its headquarters previously located at 1920 L Street NW, Washington DC, to the new Bethesda location. The Company ceased using the L Street location as of September 30, 2017 and recognized a $2.0 million cease-use charge in its consolidated statements of operations at September 30, 2017, within the Other operating expenses line item. During November 2018, based on updated information the Company revised its expectation related to contractual obligations toward the lessor of the Company's previous headquarters. As a result of this updated information, the Company recorded a reduction to its cease-use charge of approximately $0.3 million into its financial statements as of September 30, 2018.

Rent expense for the years ended September 30, 2018, 2017 and 2016, was $10.7 million, $10.8 million, and $11.5 million, respectively. The 2017 rent expense amount does not include the $2.0 million cease-use charge pertaining to the L Street location.

401(k) Benefit Plan	12 Months Ended
401(k) Benefit Plan	Sep. 30, 2018
Defined Contribution Plan [Abstract]
401(k) Benefit Plan	401(k) Benefit Plan The Company has a retirement plan (the Plan), which is intended to be a qualified plan under Section 401(k) of the Internal Revenue Code. The Plan is a defined contribution plan available to all eligible employees and allows participants to contribute up to the legal maximum of their eligible compensation, not to exceed the maximum tax-deferred amount allowed by the Internal Revenue Service. The Plan also allows the Company to make discretionary matching contributions. For the years ended September 30, 2018, 2017 and 2016, the Company contributed and recorded expense of approximately $1.4 million, $2.1 million and $1.7 million, respectively, to the Plan.

Income Taxes

12 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

The components of the provision for income taxes of continuing operations are as follows:



	Year Ended September 30,
	2018			2017			2016
	(in thousands)
Current tax provision (benefit):
U.S. Federal	$	108		$	(234	)	$	—
State	714			613			672
Foreign	795			(210		)	176
	1,617			169			848
Deferred tax (benefit) expense:
U.S. Federal	(6,796		)	(592		)	25,338
State	(4,182		)	(86		)	3,890
Foreign	33			58			(3,051		)
	(10,945		)	(620		)	26,177
Total (benefit) provision	$	(9,328	)	$	(451	)	$	27,025

Deferred taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company's deferred tax assets and liabilities are as follows:



	September 30,
	2018			2017
	(in thousands)
Deferred tax assets:
Net operating losses—Foreign	$	10,163		$	9,171
Net operating losses—U.S.	32,328			31,133
Accrued vacation and bonus	437			859
Inventory capitalization	238			1,315
Inventory reserve	—			1,903
Allowance for doubtful accounts	47			98
Stock compensation expense	3,455			6,689
Amortization of intangibles	—			2,753
Restructuring costs	353			913
Other	1,158			3,134
Total deferred tax assets before valuation allowance	48,179			57,968
Less: valuation allowance	(39,337		)	(54,379		)
Net deferred tax assets	8,842			3,589
Deferred tax liabilities:
Amortization of intangibles	204			—
Amortization of goodwill	5,949			9,000
Depreciation	37			185
Capitalized costs	2,542			3,032
Pension liability	556			372
Total deferred tax liabilities	$	9,288		$	12,589
Net deferred taxes	$	(446	)	$	(9,000	)

The reconciliation of the U.S. federal statutory rate to the effective rate for continuing operations is as follows:



	Year Ended September 30,
	2018		2017		2016
U.S. statutory rate	24.5	%	35.0	%	35.0	%
Permanent items	(1.2	)%	(0.9	)%	(4.2	)%
State taxes	0.1	%	1.2	%	1.9	%
Net foreign rate differential	(1.3	)%	(2.8	)%	(3.8	)%
Unrecognized tax benefits	(0.5	)%	3.5	%	(2.2	)%
Change in valuation allowance	(31.6	)%	(34.8	)%	(108.8	)%
Benefit from new Tax Act	51.3	%	—	%	—	%
Other	3.30	%	(0.06	)%	—	%
Provision for income taxes	44.6	%	1.1	%	(82.1	)%

At September 30, 2018 and 2017, the Company had federal and state deferred tax assets of $28.4 million and $45.4 million, respectively, related to available federal and state net operating loss (NOL) carryforwards and other U.S. deductible temporary differences. The NOL carryforwards expire beginning in 2035. At September 30, 2018 and 2017, the Company had deferred tax assets related to available foreign NOL carryforwards of approximately $10.2 million and $9.2 million respectively. All but approximately $0.4 million of our foreign NOLs maintain an indefinite carry forward life. The NOLs with limited carryforward periods will expire beginning in 2019.

On December 22, 2017, the Tax Cuts and Jobs Act of 2017 (“The Tax Act”) was signed into law. The Tax Act reduces the corporate tax rate from 35% to 21%. The rate change is administratively effective at the beginning of the Company’s 2018 fiscal year, using a blended rate of 24.53%. Staff Accounting Bulletin 118 provides guidance on accounting for the tax effects of the Tax Act. To the extent a company’s accounting for certain income tax effects of the Tax Act is incomplete but the Company can determine a reasonable estimate, it must record a provisional estimate in the financial statements. At September 30, 2018, the Company had not yet completed its accounting for the tax effects of the Tax Act; however, in the following cases, the Company has made a provisional estimate of the Tax Act’s effects during 2018. We remeasured certain deferred tax assets and liabilities based on the rates at which they are expected to reverse in the future. However, we are still analyzing certain aspects of the Act and refining our calculations, which could potentially affect the measurement of these balances. The provisional benefit recorded for the remeasurement of our deferred tax balance and recognition of the realizability of deferred tax assets was $10.7 million.

The effect of the international provisions of the Tax Act, which establish a territorial tax system and subject certain foreign earnings on which US tax is currently deferred to a one-time transition tax, is uncertain. We have not sufficiently completed our analysis of earnings and profits from our foreign subsidiaries to reasonably estimate the effects of the one-time transition tax, and therefore, have not recorded provisional amounts. We continue to apply ASC 740 based on the provisions of the tax laws that were in effect immediately prior to the Act being enacted. Because we had previously determined these amounts were indefinitely reinvested, no deferred tax assets have been recorded. We will complete the analysis of the effects of the Tax Act in the first quarter of fiscal year 2019.

The Company assesses available positive and negative evidence to estimate whether sufficient future taxable income will be generated to permit use of the existing deferred tax assets. A significant piece of objective negative evidence evaluated was the cumulative loss incurred over the three-year period ended September 30, 2018. Such objective evidence limits the ability to consider other evidence such as our projections for future growth. On the basis of this evaluation, the Company recorded a net change to its valuation allowance of $15 million to bring the total valuation allowance to $39.4 million at September 30, 2018. The change is comprised of $10.8 million for the remeasurement of deferred tax assets using the lower enacted tax rate, $10.7 million benefit for the recognition of the realizability of deferred tax assets for changes in the Tax Act, $0.7 million resulting from the acquisition of Machinio, netted against a $7.2 million charge for current year NOLs.

On July 10, 2018, the Company acquired 100% of stock of Machinio Corp for approximately $19.9 million dollars cash and Company equity. Under the acquisition method of accounting, the Company recorded a net deferred tax liability of $0.7 million comprised primarily of acquired intangibles netted against NOLs and other deferred assets and recognized a $0.7 million tax benefit from a reduction to its valuation allowance. The total amount of acquired NOLs, which are subject to limitations under Section 382, were approximately $1.8 million.

The Company has not recorded a provision for deferred U.S. tax expense on the undistributed earnings of foreign subsidiaries since the Company intends to indefinitely reinvest the earnings of these foreign subsidiaries outside the U.S. The amount of such undistributed foreign earnings was approximately $7.9 million as of September 30, 2018. As of September 30, 2018, and 2017, approximately $14.4 million and $14.9 million, respectively, of cash and cash equivalents was held overseas and not available to fund domestic operations without incurring taxes upon repatriation.

The following is a tabular reconciliation of the total amounts of unrecognized tax benefits:



	Year Ended September 30, (In thousands)
	2018			2017			2016
Beginning balance at October 1	$	—		$	725		$	—
Additions based on positions related to the current year	—			—			—
Additions for tax positions of prior years	107			1,426			725
Reductions for tax positions of prior years	(107		)	(229		)	—
Settlements	—			(1,922		)	—
Balance at September 30	$	—		$	—		$	725

The Company applies the authoritative guidance related to uncertainty in income taxes. ASC 740 states that a benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, including resolutions of any related appeals or litigation processes, on the basis of the technical merits. During 2018, the Company did not identify any new uncertain tax positions.

The Company recognizes interest and penalties in the period in which they occur in the income tax provision. During 2018, the Company recorded a charge of $0.1 million for interest related to years 2013 and 2014. The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, various state and local jurisdictions and in foreign jurisdictions, primarily Canada and the U.K. The Company has no open income tax examinations and the statute of limitations for years prior to 2015 is now closed. However, certain tax attribute carryforwards that were generated prior to fiscal year 2015 may be adjusted upon examination by tax authorities if they are utilized.

Equity Transactions

12 Months Ended

Sep. 30, 2018

Stockholders' Equity Note [Abstract]

Equity Transactions

2006 Omnibus Long-Term Incentive Plan

In conjunction with the Company's initial public offering, the board of directors and the Company's stockholders approved the 2006 Omnibus Long-Term Incentive Plan (2006 Plan), on December 2, 2005.

A portion of the options and restricted shares granted to employees vest based on certain performance conditions being satisfied by the Company. Performance-based stock options are tied to the Company's annual performance against pre-established internal targets and the actual payout under these awards may vary from zero to 100% of an employee's target payout, based upon the Company's actual performance during the previous twelve months. The performance-based stock options are also subject to vesting requirements and generally vest when the performance condition has been satisfied. The fair value for stock options granted during the period was estimated at the grant date using the Black-Scholes option pricing model, as described in Note 2, and the Company bases the fair value of restricted shares granted on the closing price of the shares on the grant date. The Company recognizes compensation cost over the requisite service period or when it becomes probable that the performance condition will be satisfied.

Under the 2006 Plan, as amended, 10,000,000 shares of common stock were available for issuance. At September 30, 2014, there were 772,227 shares reserved for issuance in connection with awards under the 2006 Plan. In February 2015, at the Company's annual meeting of stockholders, the stockholders approved an amendment to the 2006 Plan which increased the shares available for issuance under the 2006 Plan by 3,000,000 shares and established a fungible share pool so that awards other than options or stock appreciation rights granted after January 9, 2015, would be counted as 1.5 shares from the shares reserved for issuance under the 2006 Plan. On February 23, 2017, at the Company's annual meeting of stockholders, the stockholders approved amendments to the 2006 Plan to increase the number of shares available for issuance under the 2006 Plan by 3,300,000, bringing the total number of shares issuable under the 2006 Plan since it was adopted to 16,300,000 shares. At September 30, 2018, 2,721,386 shares were reserved for issuance in connection with awards under the 2006 Plan.

During 2017, the Company issued 218,550 cash-settled stock appreciation rights at a price of $10.30, and 234,313 cash-settled stock appreciation rights were forfeited. During 2018, the Company issued 104,055 cash-settled stock appreciation rights at a price of $4.57, and 415,373 cash-settled stock appreciation rights were forfeited. Stock appreciation rights are recorded as liability awards. The maximum number of shares subject to options or stock appreciation rights that can be awarded under the 2006 Plan to any person is 1,000,000 per year. The maximum number of shares that can be awarded under the 2006 Plan to any person, other than pursuant to an option or stock appreciation right, is 700,000 per year. The Company issues stock appreciation rights where restrictions lapse upon either the passage of time (service vesting), achievement of performance targets, or some combination of these conditions. For those stock appreciation rights with only service conditions, the Company recognizes compensation cost on a straight-line basis over the explicit service period. For awards with both performance and service conditions, the Company starts recognizing compensation cost over the remaining service period, when it is probable the performance condition will be met.

During the year ended September 30, 2018, the Company granted both time-based stock options and performance-based stock options to certain employees. Approximately 671,644 options were granted, including 418,780 options subject to performance-based vesting terms and 252,864 subject to time-based vesting terms over four years. The performance-based options will vest in installments based on average stock price and growth in contribution margin, in each case, subject to each recipient’s continued employment with the Company.

During the year ended September 30, 2018, the Company granted both time-based restricted stock and performance-based restricted stock to certain employees. Approximately 1,282,401 shares of restricted stock were granted, including 915,180 shares subject to performance-based vesting and 367,221 subject to time-based vesting terms over four years. The performance-based restricted stock units will vest in installments based on average stock price and achievement of certain annual revenue and adjusted EBITDA targets through calendar year 2021, in each case, subject to each recipient’s continued employment with the Company.

For those stock options and restricted stock with only service conditions, the Company recognizes compensation cost on a straight-line basis over the explicit service period.

For the years ended September 30, 2018, 2017 and 2016, the Company recorded stock-based compensation of $6.6 million, $7.4 million and $12.3 million, respectively. The total costs related to unvested awards with only service vesting conditions, not yet recognized, as of September 30, 2018 was $5.2 million, which will be recognized over the weighted average vesting period of 48 months. The total costs related to unvested awards with both service and performance vesting conditions, not yet recognized, as of September 30, 2018 was $9.8 million.

The 2006 Plan permits the granting of options to purchase shares of common stock intended to qualify as incentive stock options under the Internal Revenue Code and stock options that do not qualify as incentive stock options ("non-qualified stock options"). The exercise price of each stock option may not be less than 100% of the fair market value of the common stock on the date of grant. However, if a grant recipient, who holds at least 10% of the common stock of the Company, receives an incentive stock option, the exercise price of such incentive stock option may not be less than 110% of the fair market value of the common stock on the date of grant. The term of each stock option is fixed by the compensation committee and may not exceed 10 years from the date of grant.

The compensation committee may also award under the 2006 Plan:


•	restricted stock, which are shares of common stock subject to restrictions;


•	restricted stock units, which are common stock units subject to restrictions;


•	dividend equivalent rights, which are rights entitling the recipient to receive credits for dividends that would be paid if the recipient had held a specified number of shares of common stock;


•	stock appreciation rights, which are rights to receive a number of shares or, in the discretion of the compensation committee and subject to applicable law, an amount in cash or a combination of shares and cash, based on the increase in the fair market value of the shares underlying the right during a stated period specified by the compensation committee;


•	unrestricted stock, which are shares of common stock granted without restrictions as a bonus; and


•	performance and annual incentive awards, ultimately payable in common stock or cash, as determined by the compensation committee (the compensation committee may grant multi-year and annual incentive awards subject to achievement of specified goals tied to business criteria set forth in the 2006 Plan).

Acquisition

In connection with the acquisition of Machinio, the Company issued 248,577 restricted stock awards, 370,370 restricted stock units, and 47,202 options valued in the aggregate at approximately $5.0 million to Machinio's executives and employees. The restricted stock awards and options were issued under the Machinio Corp. 2014 Stock Incentive Plan which was assumed by the Company at acquisition. The restricted stock units were issued through a private placement. The Company also issued 297,014 shares of restricted Company common stock through a private placement to the Machinio executives. Lastly, the Company issued 49,893 restricted stock awards under its 2006 Omnibus Long-Term Incentive Plan to Machinio employees.

Stock Option Activity

A summary of the Company's stock option activity for the years ended September 30, 2018, 2017, and 2016 is as follows:



	Options		Weighted- Average Exercise Price
Options outstanding at September 30, 2015	1,472,643		$	17.46
Options granted	583,228		6.68
Options exercised	(1,251	)	7.48
Options canceled	(346,133	)	16.99
Options outstanding at September 30, 2016	1,708,487		13.91
Options granted	232,845		9.18
Options exercised	(12,421	)	7.41
Options canceled	(223,938	)	13.00
Options outstanding at September 30, 2017	1,704,973		13.43
Options granted	671,644		5.09
Options assumed in business acquisition	47,201		1.21
Options exercised	(57,665	)	7.01
Options canceled	(347,830	)	13.82
Options outstanding at September 30, 2018	2,018,323		10.49
Options exercisable at September 30, 2018	1,060,958		14.74

The following table summarizes information about options outstanding at September 30, 2018:



	Options Outstanding
Range of Exercise Price	Number Outstanding	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
$0.99 - $4.70	357,848	9.11	$	4.07
$4.71 - $6.40	441,934	6.34	5.61
$6.41 - $8.24	385,924	7.30	6.98
$8.25 - $11.08	406,929	5.64	9.52
$11.09 - $46.72	425,688	3.82	25.04

The following table summarizes information about options exercisable at September 30, 2018:



	Options Exercisable
Range of Exercise Price	Number Exercisable	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
$0.99 - $4.70	6,121	8.32	$	1.21
$4.71 - $6.40	224,234	7.30	6.29
$6.41 - $8.24	135,138	6.13	7.01
$8.25 - $11.08	270,402	5.24	9.71
$11.09 - $46.72	425,063	3.82	25.06

The following table summarizes information about assumptions used in valuing options granted:



	Year ended September 30
	2018	2017	2016
Dividend yield	—	—	—
Expected volatility	50.76% - 58.59%	54.22% - 54.93%	51.5% - 58.6%
Risk-free interest rate	0.47% - 2.72%	1.65% - 2.17%	0.5% - 1.5%
Expected term	3.8	3.8	4.0

The intrinsic value of outstanding and exercisable options at September 30, 2018 was approximately $1.14 million and $0.05 million, respectively, based on a stock price of $6.35 on September 30, 2018.

The weighted average grant date fair value of options granted during 2018, 2017, and 2016 was $2.04, $3.58 and $2.07, respectively.

The intrinsic value of options exercised at September 30, 2018, 2017, and 2016 was approximately $30,384, $24,032 and $3,128, respectively. Approximately 0.6 million unvested service-based stock options are expected to vest.

Restricted Share Activity

A summary of the Company's restricted share activity for the years ended September 30, 2018, 2017, and 2016 is as follows:



	Restricted Shares		Weighted- Average Fair Value
Unvested restricted shares at September 30, 2015	2,367,187		$	16.08
Restricted shares granted	1,504,655		5.54
Restricted shares vested	(715,188	)	16.09
Restricted shares canceled	(495,409	)	20.25
Unvested restricted shares at September 30, 2016	2,661,245		9.34
Restricted shares granted	849,352		8.78
Restricted shares vested	(748,266	)	11.04
Restricted shares canceled	(571,900	)	9.81
Unvested restricted shares at September 30, 2017	2,190,431		8.42
Restricted shares granted	1,282,401		6.81
Restricted shares vested	(617,620	)	9.22
Restricted shares canceled	(538,356	)	8.78
Unvested restricted shares at September 30, 2018	2,316,856		7.23

The intrinsic value and weighted average remaining contractual life in years of unvested restricted shares at September 30, 2018, is approximately $12.8 million and 8.46, respectively, based on a stock price of $6.35 on September 30, 2018. Approximately 1.0 million unvested service-based restricted stock shares are expected to vest. During 2016 and 2017, only restricted stock units were granted.

Share Repurchase Program

The Board of Directors authorized the Company to repurchase issued and outstanding shares of its common stock under a share repurchase program approved by the Board of Directors. Share repurchases may be made through open market purchases, privately negotiated transactions or otherwise, at times and in such amounts as management deems appropriate. The timing and actual number of shares repurchased will depend on a variety of factors including price, corporate and regulatory requirements and other market conditions. The repurchase program may be discontinued or suspended at any time and will be funded using the Company's available cash. The Company's Board of Directors reviews the share repurchase program periodically, the last such review having occurred in May 2016. The Company did not repurchase shares under this program during the twelve months ended September 30, 2018. As of September 30, 2018, the Company may repurchase an additional $10.1 million shares under this program.

Fair Value Measurement

12 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurement

The Company measures and records in the accompanying consolidated financial statements certain liabilities at fair value on a recurring basis. Authoritative guidance issued by the FASB establishes a fair value hierarchy for those instruments measured at fair value that distinguishes between assumptions based on market data (observable inputs) and the Company's assumptions (unobservable inputs). The hierarchy consists of three levels:



Level 1		Quoted market prices in active markets for identical assets or liabilities;
Level 2		Inputs other than Level 1 inputs that are either directly or indirectly observable; and
Level 3		Unobservable inputs developed using estimates and assumptions developed by the Company, which reflect those that a market participant would use.

As of September 30, 2017, the Company had financial assets that were measured at fair value and were classified as Level 3 assets within the fair value hierarchy. The Company no longer had such assets at September 30, 2018. The Company recorded the financial assets using the fair value option under ASC 825, Financial Instruments. These financial assets represented the value of rights the Company held from its participation in certain principal transactions in the Company's commercial business, where a third-party partner owned the underlying assets to be sold, and the Company had contributed funds to the partner towards purchasing those underlying assets. These assets were included in prepaid expenses and other current assets in the Consolidated Balance Sheets.

During the year ended September 30, 2018, and as a result of the acquisition of Machinio, the Company recorded contingent consideration in the amount of $1.2 million on its balance sheet. This contingent consideration was measured at fair value and classified as Level 3 liabilities within the fair value hierarchy. The contingent consideration is based on the Company's achievement of EBITDA targets for the 12-month period ending December 31, 2019. The liability for this consideration is included in Deferred taxes and other long-term liabilities in the Consolidated Balance Sheets.

During the year ended September 30, 2018, the Company invested $20.0 million in certificates of deposit with maturities of six months or less, and interest rates between 2% and 2.5%. These assets were measured at fair value and were classified as Level 1 assets within the fair value hierarchy.

The changes in financial assets and earn-out liability measured at fair value for which the Company has used Level 3 inputs to determine fair value for the year ended September 30, 2018, are as follows (dollars in thousands):



	Contingent Consideration		Financial Instruments

Balance at September 30, 2016	$	—	$	2,200
Acquisition of financial assets	—		2,662
Settlements	—		(4,944		)
Change in fair value of financial assets	—		573
Balance at September 30, 2017	—		491
Acquisition of financial assets	—		—
Earn-out from business acquisition	1,200		—
Settlements	—		(401		)
Change in fair value	100		(90		)
Balance at September 30, 2018	$	1,300	$	—

When valuing its financial assets, the Company considers asset condition, economic and/or market events, and other pertinent information that would impact its estimate of the expected generated proceeds. The valuation procedures are primarily based on management's projection of the value of the assets securing the financial investment.

The Company estimated the fair value of the contingent consideration using a Monte Carlo simulation. The calculation was based on EBITDA volatilities observed in comparable companies in Machinio's industry.

Management’s estimation of the fair value of these assets and liabilities is based on the best information available in the circumstances and may incorporate management's own assumptions regarding market demand for these assets. Such assumptions involve management's judgment, taking into consideration a combination of internal and external factors. Changes in fair value of the Company's Level 1 and Level 3 assets and liabilities are recorded in Other operating expense in the Consolidated Statements of Operations.

The Company’s financial assets not measured at fair value are cash and cash equivalents (which includes cash and commercial paper with original maturities of less than 90 days), accounts receivable, and a promissory note. The Company believes the carrying value of these instruments approximates fair value

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Defined Benefit Pension Plan

12 Months Ended

Sep. 30, 2018

Defined Benefit Plan [Abstract]

Defined Benefit Pension Plan

Certain employees of Liquidity Services UK Limited ("GoIndustry"), which the Company acquired in July 2012, are covered by the Henry Butcher Pension Fund and Life Assurance Scheme (the "Scheme"), a qualified defined benefit pension plan. The Scheme was closed to new members on January 1, 2002.

The Company recognizes the funded status of its postretirement benefit plans, with a corresponding noncash adjustment to accumulated other comprehensive loss, net of tax, in stockholders' equity. The funded status is measured as the difference between the fair value of the plan's assets and the benefit obligation of the plan.

The net periodic benefit cost recognized for the years ended September 30, 2018, 2017 and 2016, included the following components:

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017			2016
	(in thousands)
Interest cost	$	651		$	582		$	814
Expected return on plan assets	(986		)	(826		)	(1,066		)
Total net periodic benefit	$	(335	)	$	(244	)	$	(252	)

The following table provides a reconciliation of benefit obligations, plan assets, and funded status related to the Company's qualified defined benefit pension plan for the years ended September 30, 2018 and September 30, 2017:

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Change in benefit obligation
Beginning balance	$	25,085		$	26,321
Interest cost	651			582
Benefits paid	(2,297		)	(718		)
Actuarial loss/(gain)	(590		)	(1,861		)
Foreign currency exchange rate changes	(623		)	761
Ending balance	$	22,226		$	25,085

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Change in plan assets
Beginning balance at fair value	$	26,943		$	25,767
Actual return on plan assets	1,175			569
Benefits paid	(2,297		)	(718		)
Employer's contributions	—			552
Foreign currency exchange rate changes	(689		)	773
Ending balance at fair value	$	25,132		$	26,943
Overfunded (underfunded) status of the Plan	$	2,906		$	1,859

The accrued pension asset of $2.9 million is recorded in Other long-term assets in the Consolidated Balance Sheet. Because the Plan is closed to new participants, the accumulated benefit obligation is equal to the projected benefit obligation, and totals $22.2 million and $25.1 million at September 30, 2018 and September 30, 2017, respectively.

The amount recognized in other comprehensive loss related to the Company's qualified defined benefit pension plan, net of tax, for the years ended September 30, 2018 and September 30, 2017, is shown in the following table:

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Accumulated Other Comprehensive (Income) Loss
Accumulated Other Comprehensive (Income) Loss at beginning of year	$	(123	)	$	1,226
Net actuarial gains	(773		)	(1,589		)
Foreign currency exchange rate changes	4			240
Accumulated Other Comprehensive (Income) at end of year	$	(892	)	$	(123	)

Estimated amounts to be amortized from accumulated other comprehensive (income) loss into net periodic benefit cost during 2018 based on September 30, 2018 plan measurements are $0. Amortization of a net gain or loss included in accumulated other comprehensive income shall be included as a component of net pension cost for a year if, as of the beginning of the year, that net gain or loss exceeds 10 percent of the greater of the projected benefit obligation or the market-related value of plan assets. The plan complies with the funding provisions of the UK Pensions Act 2004 and the Occupational Pension Schemes Regulations Act 2005. The Company does not plan to make contributions to the plan in the near future.

Actuarial Assumptions

The actuarial assumptions used to determine the benefit obligations at September 30, 2018 and September 30, 2017, and to determine the net periodic (benefit) cost for the year were as follows:

Qualified Defined Benefit Pension Plan



	2018		2017
Discount rate	2.90	%	2.70	%
Expected return on plan assets	4.00	%	3.80	%
Increases to non-GMP pensions in payment accrued pre 4/6/97	—	%	—	%
Increases to non-GMP pensions in payment accrued post 4/6/97	2.20	%	2.10	%
Rate of increases to deferred CPI linked benefits	2.20	%	2.10	%
Rate of increases to deferred RPI linked benefits	3.30	%	3.20	%

Mortality—100% for males and 105% for females of S2PxA "light" tables, projected in line with the 2017 Continuous Mortality Investigation projection model and a 1.5% per annum long-term rate of improvement.

Estimated Future Benefit Payments

The Company's pension plan expects to make the following benefit payments to participants over the next 10 years:



	Pension Benefits
	(in thousands)
Year ending September 30,
2019	$	753
2020	770
2021	675
2022	726
2023	786
2024 through 2028	4,027
Total	$	7,737

Fair Value Measurements

The investment policy and strategy of the plan assets, as established by the Trustees (the "Trustees") of the plan, strive to maximize the likelihood of achieving primary objectives of the investment policy established for the plan. The primary objectives are:


1.	Funding—to ensure that the Plan is fully funded using assumptions that contain a modest margin for prudence. Where an actuarial valuation reveals a deficit, a recovery plan will be put in place which will take into account the financial covenant of the employer;


2.	Stability—to have due regard to the likely level and volatility of required contributions when setting the Plan's investment strategy; and


3.	Security—to ensure that the solvency position of the Plan is expected to improve. The Trustees will take into account the strength of employer's covenant when determining the expected improvement in the solvency position of the Plan.

The assets are allocated among equity investments and fixed income securities. The assets are not rebalanced but the allocation between equities and bonds is reviewed on a periodic basis to ensure that the investments are appropriate to the Scheme's circumstances. The Trustees review the investment policy on an ongoing basis, to determine whether a change in the policy or asset allocation targets is necessary. The Company has elected to use a bid value of Scheme assets to calculate the expected return on assets in the net periodic benefit cost. The assets consisted of the following as of September 30, 2018:



	Actual 2018
Equity securities	45.7	%
Fixed-income securities	53.1	%
Cash equivalents	1.2	%
Total	100.0	%

The class of equity securities consists of one pooled fund whose strategy is to invest in approximately 70% UK company shares (domestic) and 30% international equity securities. The class of fixed-income securities consists of one pooled fund whose strategy is to invest in a limited number of government and corporate bonds.

The expected long-term rate of return for the plan's total assets is based on the expected returns of each of the above categories, weighted based on the current target allocation for each class. The Trustees evaluate whether adjustments are needed based on historical returns to more accurately reflect expectations of future returns.

The Company is required to present certain fair value disclosures related to its postretirement benefit plan assets, even though those assets are not included on the Company's Consolidated Balance Sheets. The following table presents the fair value of the assets of the Company's qualified defined benefit pension plan by asset category and their level within the fair value hierarchy, which has three levels based on reliability of the inputs used to determine fair value. Level 1 refers to fair values determined based on quoted prices in active markets for identical assets, Level 2 refers to fair values estimated using significant other observable inputs, and Level 3 includes fair values estimated using significant unobservable inputs.



Balance as of September 30, 2017	Level 1		Level 2		Level 3		Total
	(in thousands)
Equity securities	$	—	$	11,778	$	—	$	11,778
Fixed-income securities	—		14,795		—		14,795
Cash equivalents	371		—		—		371
Total	$	371	$	26,573	$	—	$	26,944



Balance as of September 30, 2018	Level 1		Level 2		Level 3		Total
	(in thousands)
Equity securities	$	—	$	11,489	$	—	$	11,489
Fixed-income securities	—		13,347		—		13,347
Cash equivalents	296		—		—		296
Total	$	296	$	24,836	$	—	$	25,132

Valuation Techniques

The Company relies on pricing inputs from investment fund managers to value investments. The fund manager prices the underlying securities using independent external pricing sources.

Guarantees	12 Months Ended
Guarantees	Sep. 30, 2018
Guarantees [Abstract]
Guarantees	Guarantees During the second quarter of 2015, the Company issued a guarantee to GoIndustry (the "Subsidiary") and the Trustees (the "Trustees") of the Henry Butcher Pension Fund and Life Assurance Scheme (the "Scheme"). Under the arrangement, the Company irrevocably and unconditionally (a) guarantees to the Trustees punctual performance by the Subsidiary of all its Guaranteed Obligations, defined as all present and future obligations and liabilities (whether actual or contingent and whether owed jointly or severally in any capacity whatsoever) of the Company to make payments to the Scheme up to a maximum of 10 million British pounds, (b) undertakes with the Trustees that, whenever the Subsidiary does not pay any amount when due in respect of its Guaranteed Obligations, it must immediately on demand by the Trustees pay that amount as if it were the principal obligor; and (c) indemnifies the Trustees as an independent and primary obligation immediately on demand against any cost, charge, expense, loss or liability suffered or incurred by the Trustees if any payment obligation guaranteed by it is or becomes unenforceable, invalid or illegal; the amount of the cost, charge, expense, loss or liability under this indemnity will be equal to the amount the Trustees would otherwise have been entitled to recover on the basis of a guarantee. The guarantee is a continuing guarantee that will extend to the ultimate balance of all sums payable by the Company in respect of its Guaranteed Obligations. See Note 13 for further information on the Scheme.

Business Realignment Expenses

12 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Business Realignment Expenses

In January 2017, the Company decided to exit the TruckCenter land-based, live auction and retail business. Costs of $0.9 million associated with the restructuring, were recognized under other operating expenses in the consolidated statement of operations. Those costs included occupancy cost of $0.6 million, employee severance of $0.2 million, and long-lived asset impairments of $0.1 million.

During the fourth quarter of 2017, the Company began to restructure its CAG business. The restructuring plan resulted in a reduction in force across a number of departments, including Sales, Marketing and Operations in both the United States and in Europe. In connection with this restructuring, on September 25, 2017 the Company terminated the employment of the President of the CAG business and provided a severance package to the executive in the amount of $0.3 million. Overall, severance costs associated with this restructuring were approximately $0.9 million. In addition, the restructuring plan calls for the closure of several offices and legal entities in Europe and Asia. Legal and administrative costs associated with the restructuring were $0.1 million.

The Company continued to implement its CAG cost cutting initiatives during the year ended September 30, 2018. As discussed in Note 3, Significant Contracts, the Company was not the high bidder for the new Surplus Contracts, and therefore completed winding down operations of the Surplus Contract during the year ended September 30, 2018. As a result, the Company recognized an additional $1.7 million in restructuring costs during the year ended September 30, 2018, $1.2 million of which related to severance and occupancy cost as a result of the loss of the Surplus Contract. Restructuring costs associated with the restructuring plan were recognized within the other operating expenses line item in the consolidated statement of operations. This activity is included within employee severance and benefit costs in the table below.

During 2017, the Company reorganized its IronDirect business. As a result, the Company recorded approximately $0.9 million of net expense related to the impairment of long-lived assets associated with the IronDirect business, as well as a fair value adjustment. The impairment was comprised of $1.2 million of impairment related to contract intangibles, and $0.6 million of impairment related to fixed assets. This expense was netted with a $0.9 million reversal of an earn-out liability. In addition to these impairments, and the restructuring of its IronDirect business model, the Company terminated the employment of the IronDirect President and incurred severance costs of approximately $0.1 million, which is included within employee severance and benefit costs in the table below. During the year ended September 30, 2018, the Company recorded restructuring costs of approximately $0.1 million related to occupancy and certain onerous contract costs related to its IronDirect business.

On June 16, 2017 the Company entered into a sub-lease agreement for 18,412 square feet of office space at 6931 Arlington Road, Bethesda, Maryland. The sub-lease commenced September 29, 2017 and will expire April 30, 2023. On the sub-lease commencement date, the Company relocated its headquarters previously located at 1920 L Street NW, Washington DC, to the new Bethesda location. The Company ceased using the previous location as of September 30, 2017 and recognized a $2.0 million cease-use charge in its consolidated statements of operations at September 30, 2017, under the Other operating expenses line item. During November 2018, based on updated information the Company revised its expectation related to contractual obligations toward the lessor of the Company's previous headquarters. As a result of this updated information, the Company recorded a reduction to its cease-use charge of approximately $0.3 million into its financial statements as of September 30, 2018. The amount is presented under occupancy cost in the table below.

During the year ended September 30, 2018, the Company recognized an additional $0.5 million in severance cost primarily related to the restructuring of its Corporate IT department. This is recorded within the Corporate & Other line item below.

The table below sets forth the significant components and activity in the liability for business realignment initiatives during the year ended September 30, 2018, on a segment and consolidated basis:



(in thousands)	Liability Balance at September 30, 2016		Business Realignment Expenses		Cash Payments			Liability Balance at September 30, 2017		Business Realignment Expenses			Cash Payments			Liability Balance at September 30, 2018
Employee severance and benefit costs:
CAG	$	—	$	1,037	$	(244	)	$	793	$	979		$	(1,683	)	$	89
Corporate & Other	—		570		(171		)	399		472			(850		)	21
Total employee severance and benefit costs	$	—	$	1,607	$	(415	)	$	1,192	$	1,451		$	(2,533	)	$	110
Occupancy and other costs:
CAG	—		—		—			—		739			(280		)	459
Corporate & Other	—		2,616		(628		)	1,988		(248		)	(933		)	807
Total occupancy and other costs	$	—	$	2,616	$	(628	)	$	1,988	$	491		$	(1,213	)	$	1,266
Total business realignment	$	—	$	4,223	$	(1,043	)	$	3,180	$	1,942		$	(3,746	)	$	1,376

For the year ended September 30, 2018, the $1.9 million in employee severance and occupancy cost per the table above is recorded in Other operating expenses in the Consolidated Statements of Operations. Of this $1.9 million in cost, approximately $0.6 million is associated with general and administrative, $0.2 million with sales and marketing, and $1.1 million with technology and operations activities.

For the year ended September 30, 2017, the $4.2 million in employee severance and occupancy cost per the table above is recorded in Other operating expenses in the Consolidated Statements of Operations. Of this $4.2 million in cost, approximately $3.7 million is associated with general and administrative, $0.3 million with sales and marketing, and $0.2 million with technology and operations activities.

The Company expects that the majority of the remaining liability balance at September 30, 2018, of approximately $1.4 million will be paid during 2019.

Legal Proceedings	12 Months Ended
Legal Proceedings	Sep. 30, 2018
Loss Contingency, Information about Litigation Matters [Abstract]
Legal Proceedings	Legal Proceedings Howard v. Liquidity Services, Inc., et al., Civ. No. 14-1183 (D. D. C. 2014). On July 14, 2014, Leonard Howard filed a putative class action complaint in the United States District Court for the District of Columbia (the ‘‘District Court’’) against the Company and its chief executive officer, chief financial officer, and chief accounting officer, on behalf of stockholders who purchased the Company's common stock between February 1, 2012, and May 7, 2014. The complaint alleged that the defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 by, among other things, misrepresenting the Company’s growth initiative, growth potential and financial and operating conditions, thereby artificially inflating its stock price, and sought unspecified compensatory damages and costs and expenses, including attorneys’ and experts’ fees. On October 14, 2014, the Court appointed Caisse de Dépôt et Placement du Québec and the Newport News Employees’ Retirement Fund as co-lead plaintiffs. The plaintiffs filed an amended complaint on December 15, 2014, which alleged substantially similar claims, but which did not name the chief accounting officer as a defendant. On March 2, 2015, the Company moved to dismiss the amended complaint for failure to state a claim or plead fraud with the requisite particularity. On March 31, 2016, the Court granted that motion in part and denied it in part. Only the claims related to the Company's retail supply chain group were not dismissed. On May 16, 2016, the Company answered the amended complaint. Plaintiffs’ class certification was granted on September 6, 2017. On June 19, 2018, the parties agreed to settle this action, including to dismiss and release all claims against all defendants, in exchange for the payment by our insurance carriers of $17 million to plaintiffs and the class. The agreement was submitted to the District Court and preliminarily approved on June 20, 2018. The District Court provided final approval of the settlement on October 5, 2018. In re Liquidity Services, Inc. Derivative Litigation, Civ. No. 2017-0080-JTL (Del. Ch. 2017). On February 2, 2017, plaintiff David Girardi filed a putative derivative complaint in the Court of Chancery of the State of Delaware (the “Court of Chancery”), and on February 7, 2017, plaintiff Harold Slingerland filed a putative derivative complaint in the Court of Chancery. On March 9, 2017, plaintiffs Girardi and Slingerland filed a putative consolidated derivative complaint in the Court of Chancery, purportedly on the Company’s behalf. The consolidated complaint named as defendants the Company's Chief Executive Officer and Chief Financial Officer, as well as certain other individuals who served on the Company's Board of Directors between 2012 and 2014, and sought recovery from those individuals, not the Company. The complaint asserted that, among other things, the defendants breached their fiduciary duties to the Company and its stockholders by causing or allowing the Company to make the same misstatements that were alleged in the amended complaint in the Howard action, and for alleged trading in our securities while in possession of material non-public information. The Court of Chancery dismissed the case in November 2017. Following the dismissal of the putative derivative action discussed above, former plaintiffs Girardi and Slingerland sent the Company a letter dated January 5, 2018 (the “Shareholder Demand”) demanding that the Board of Directors take action to remedy purported breaches of fiduciary duties allegedly related to the claims asserted in the above-discussed securities class action and derivative actions. The Company acknowledged receipt of the Shareholder Demand on January 22, 2018. The Company's Board of Directors delegated to a special committee of the Board, comprised of independent directors who are not named in the letter, the tasks of evaluating and formulating recommendations to the Board with respect to, the Shareholder Demand. The special committee retained counsel to assist and advise it in connection with its work. On November 19, 2018, the special committee delivered a report in which it found no basis to assert claims and recommended that the Board not assert claims, against any of the individuals named in the Shareholder Demand. The Company's Board of Directors met on November 27, 2018 to discuss the findings of the special committee, accepted the recommendation of the special committee and determined to reject the demand.

Segment Information

12 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Information

The Company provides operating results in five reportable segments: GovDeals, Capital Assets Group (CAG), Retail Supply Chain Group (RSCG), Machinio, and Corporate & Other. However, the GovDeals, Capital Assets Group (CAG), and Retail Supply Chain Group (RSCG) segments constitute 98% of the Company's revenue as of September 30, 2018, and each offers separately branded marketplaces to enable sellers to achieve channel marketing objectives to reach buyers. Across its segments, the Company offers its sellers two primary transaction models as well as a suite of services, and its revenues vary depending upon the models employed and the level of service required. A description of the reportable segments follows:

•

The GovDeals reportable segment provides self-service solutions in which sellers list their own assets, and it consists of marketplaces that enable local and state government entities including city, county and state agencies, as well as commercial businesses located in the United States and Canada to sell surplus and salvage assets. GovDeals also offers a suite of services to sellers that includes asset sales and marketing. This segment includes the Company's GovDeals.com and AuctionDeals.com marketplaces.

•

The CAG reportable segment provides full-service solutions to sellers and it consists of marketplaces that enable federal government agencies as well as commercial businesses to sell surplus, salvage, and scrap assets. This marketplace enables federal government agencies as well as commercial businesses to sell scrap assets of the U.S. Department of Defense. This marketplace also provided for the sale of assets procured through our Surplus Contract, which wound down during 2018. CAG also offers a suite of services that includes surplus management, asset valuation, asset sales and marketing. Commercial sellers are located in the United States, Europe, Australia and Asia. This segment includes the Company's Network International, GoIndustry DoveBid, and Government Liquidation marketplaces.

•

The RSCG reportable segment consists of marketplaces that enable corporations located in the United States and Canada to sell surplus and salvage consumer goods and retail capital assets. RSCG also offers a suite of services that includes returns management, asset recovery, and ecommerce services. This segment includes the Company's Liquidation.com, Liquidation.com DIRECT, and Secondipity marketplaces.


•	The Machinio reportable segment operates a global online platform for listing used equipment for sale in the construction, machine tool, transportation, printing and agriculture sectors. Machinio was acquired by the Company on July 10, 2018.

•

Corporate & Other primarily consists of the Company's IronDirect and TruckCenter operating segments that are not individually significant, as well as elimination adjustments. On January 30, 2017, the Company exited its TruckCenter land-based, live auction business in order to focus its time and resources on its ecommerce marketplace strategy. IronDirect offers buyers access to construction equipment, parts and services through a single ecommerce marketplace.

Decisions concerning the allocation of the Company’s resources are made by the Company’s Chief Operating Decision Maker ("CODM"), which is the Company's chief executive officer, with oversight by the Board of Directors. The Company reports segment information based on the internal performance measures used by the CODM to assess the performance of each operating segment in a given period. In connection with that assessment, the CODM uses segment gross profit to evaluate the performance of each segment. Gross profit is calculated as total revenue less cost of goods sold and seller distributions.

The following table sets forth certain financial information for the Company's reportable segments.



		Year Ended September 30,
(in thousands)		2018			2017			2016
GovDeals:
	Revenue	$	—		$	—		$	—
	Fee revenue	30,214			26,853			22,802
	Total revenue	30,214			26,853			22,802
	Gross profit	27,990			25,172			21,422
	Depreciation and amortization	240			245			241
	Other operating expenses	(32		)	—			—

CAG:
	Revenue	57,717			100,160			140,210
	Fee revenue	30,308			44,971			51,555
	Total revenue	88,025			145,131			191,765
	Gross profit	48,873			71,934			109,373
	Depreciation and amortization	269			1,222			1,837
	Other operating expenses	1,143			465			—

RSCG:
	Revenue	88,295			85,766			88,986
	Fee revenue	13,659			9,265			5,232
	Total revenue	101,954			95,032			94,218
	Gross profit	33,009			30,050			29,903
	Depreciation and amortization	1,304			1,134			974
	Other operating expenses	4			—			—

Machinio:
	Revenue	—			—			—
	Fee revenue	653			—			—
	Total revenue	653			—			—
	Gross profit	501			—			—
	Depreciation and amortization	366			—			—
	Other operating expenses	—			—			—

Corporate & Other:
	Revenue	3,665			2,644			4,632
	Fee revenue	3			356			3,037
	Total revenue	3,668			2,999			7,669
	Gross profit	(661		)	(2,666		)	1,415
	Depreciation and amortization	2,420			3,195			3,449
	Other operating expenses	277			3,187			—

Consolidated:
	Revenue	149,677			188,570			233,828
	Fee revenue	74,837			81,445			82,626
	Total revenue	224,514			270,015			316,454
	Gross profit	109,712			124,490			162,113
	Depreciation and amortization	4,599			5,796			6,502
	Other operating expenses	$	1,392		$	3,651		$	—

The following table presents a reconciliation between gross profit used in the reportable segments and the Company's consolidated results:



		Year Ended September 30,
(in thousands)		2018			2017			2016
Reconciliation:
	Gross profit	109,712			124,490			162,113
	Operating expenses	129,713			160,839			196,231
	Other operating expenses	1,392			3,651			—
	Interest (income) expense and other expense, net	(450		)	(362		)	(1,217		)
	(Benefit) provision for income taxes	(9,328		)	(451		)	27,025
	Net loss	$	(11,615	)	$	(39,187	)	$	(59,926	)

Other operating expenses includes changes in the fair value of the Company's financial assets and business realignment expenses, which can be seen in more detail in Notes 12 and 15.

See Note 6 for goodwill impairment information by segment.

Revenue attributed to countries that represent a significant portion of consolidated revenues are as follows:



	Year Ended September 30,
(in thousands)	2018		2017		2016
United States	$	193,240	$	240,102	$	281,328
Rest of the world	31,274		29,913		35,126
Consolidated	$	224,514	$	270,015	$	316,454

Total segment assets reconciled to consolidated amounts are as follows:



	September 30,		September 30,
(in thousands)	2018		2017
Segment Assets:
GovDeals	$	47,632	$	43,262
CAG	100,145		115,514
RSCG	19,248		39,766
Machinio	23,306		—
Corporate & Other	11,501		16,687
Total Segment Assets:	$	201,832	$	215,229

Total long-lived assets by geographic areas are presented as follows:



	September 30,		September 30,
(in thousands)	2018		2017
United States	$	16,367	$	16,142
Rest of the world	243		651
Consolidated	$	16,610	$	16,793

Property and equipment, additions by segment are presented as follows:



	September 30,		September 30,
(in thousands)	2018		2017
GovDeals	$	402	$	223
CAG	106		938
RSCG	1,450		733
Machinio	20		—
Corporate & Other	3,818		5,911
Consolidated	$	5,796	$	7,805

Quarterly Results (Unaudited)

12 Months Ended

Sep. 30, 2018

Quarterly Results (Unaudited)

Quarterly Results (Unaudited)

The following table sets forth for the eight most recent quarters the selected unaudited quarterly consolidated statement of operations data. The unaudited quarterly consolidated statement of operations data has been prepared on the same basis as the Company's audited consolidated financial statements and, in the opinion of management, includes all adjustments, consisting only of normal recurring adjustments, necessary for the fair presentation of this data.



	Three months ended
	Dec. 31, 2016			Mar. 31, 2017			June 30, 2017			Sept. 30, 2017			Dec. 31, 2017			Mar. 31, 2018			June 30, 2018			Sept. 30, 2018
	(in thousands, except share and per share data)
Revenue from operations	$	70,796		$	72,335		$	65,520		$	61,364		$	61,143		$	60,097		$	50,569		$	52,705
Gross Profit	$	33,977		$	32,811		$	29,918		$	27,784		$	30,200		$	27,511		$	27,144		$	24,857
Loss before provision for income taxes from operations	$	(8,294	)	$	(8,305	)	$	(8,573	)	$	(14,466	)	$	(6,027	)	$	(5,276	)	$	(3,093	)	$	(6,547	)
Net loss from operations	$	(8,397	)	$	(8,252	)	$	(8,614	)	$	(13,924	)	$	(1,212	)	$	(5,655	)	$	(3,705	)	$	(1,043	)
Basic and diluted loss per common share	$	(0.27	)	$	(0.26	)	$	(0.27	)	$	(0.44	)	$	(0.04	)	$	(0.18	)	$	(0.12	)	$	(0.03	)
Basic and diluted weighted average shares outstanding	31,261,603			31,361,122			31,485,599			31,503,349			31,876,603			31,972,752			32,104,368			32,425,669

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Sep. 30, 2018

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(dollars in thousands)



	Balance at beginning of period		Charged (credited) to expense		Reductions		Balance at end of period
Deferred tax valuation allowance (deducted from net deferred tax assets)
Year ended September 30, 2016	$	8,474	35,783		—		$	44,257
Year ended September 30, 2017	44,257		10,122		—		54,379
Year ended September 30, 2018	54,379		(15,042	)	—		39,337
Allowance for doubtful accounts (deducted from accounts receivable)
Year ended September 30, 2016	471		247		—		718
Year ended September 30, 2017	718		357		(407	)	668
Year ended September 30, 2018	668		199		(530	)	337
Inventory allowance (deducted from inventory)
Year ended September 30, 2016	770		2,709		(33	)	3,446
Year ended September 30, 2017	3,446		10,381		(9,255	)	4,572
Year ended September 30, 2018	$	4,572	2,494		(6,563	)	$	503

Summary of Significant Accounting Policies (Policies)

12 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Use of Estimates

Principles of Consolidation and Basis of Presentation

Business Combinations

Cash and Cash Equivalents

The Company considers all highly liquid securities purchased with an initial maturity of three months or less to be cash equivalents.

Short-term Investments

The Company's short-term investments at September 30, 2018 consisted of various certificates of deposit with maturities of six months or less, and interest rates between 2% and 2.5%.

Accounts Receivable

Inventory

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets

Other Assets

Property and Equipment

Property and equipment are recorded at cost, and depreciated or amortized on a straight-line basis over the following estimated useful lives:



Computers and purchased software		One to five years
Office equipment		Three to five years
Furniture and fixtures		Five to seven years
Internally developed software for internal-use		Seven years
Leasehold improvements		Shorter of lease term or useful life
Buildings		Thirty-nine years
Land		Not depreciated

Intangible Assets

Impairment of Long-Lived Assets

Goodwill

The annual goodwill impairment assessment was performed as of July 1, 2018, for the year ended September 30, 2018.

Deferred Revenue and Revenue Recognition

Deferred Revenue

Revenue Recognition

The Company recognizes revenue when all of the following criteria are met:


•	a buyer submits the winning bid in an auction and, as a result, evidence of an arrangement exists, and the sale price has been determined;


•	the buyer has assumed the risks and rewards of ownership; and


•	collection is reasonably assured.

The Company collects and remits sales taxes on merchandise that it purchases and sells and reports such amounts under the net method in its Consolidated Statements of Operations.

The Company records revenue for subscriptions to Machinio's search engine on a straight-line basis over the term of the agreement.

Cost of Goods Sold

Risk Associated with Certain Concentrations

Income Taxes

Stock-Based Compensation

Advertising Costs

Advertising expenditures are expensed as incurred.

Fair Value of Financial Instruments

Lastly, at September 30, 2018 the Company held short-term investments which consisted of various certificates of deposit with maturities of six months or less, and interest rates between 2% and 2.5%.

Changes in the fair value of the Company's financial instruments are recorded in Other operating expense.

Foreign Currency Translation

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (loss)

The following table shows the changes in accumulated other comprehensive income (loss), net of taxes (in thousands):



	Foreign Currency Translation Adjustments			Net Change Pension and Other Postretirement Benefit Plans			Accumulated Deficit
Balance at September 30, 2015	$	(6,947	)	$	1,321		$	(5,626	)
Current-period other comprehensive (loss) income	(398		)	(2,547		)	(2,945		)
Balance at September 30, 2016	(7,345		)	(1,226		)	(8,571		)
Current-period other comprehensive (loss) income	551			1,589			2,140
Balance at September 30, 2017	(6,794		)	363			(6,431		)
Current-period other comprehensive (loss) income	(791		)	773			(18		)
Balance at September 30, 2018	$	(7,585	)	$	1,136		$	(6,449	)

Earnings per Share

Recent Accounting Pronouncements

Accounting Standards Adopted

•Excess tax benefits will be presented as an operating activity on the statement of cash flows rather than as a financing activity.

The Company adopted the provisions of this guidance during the first quarter of 2018 as follows:

•Excess tax benefits are presented as an operating activity on the statement of cash flows; adopted prospectively with no impact on prior year amounts.

Accounting Standards Not Yet Adopted

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Schedule of estimated useful lives of property and equipment

Property and equipment are recorded at cost, and depreciated or amortized on a straight-line basis over the following estimated useful lives:



Computers and purchased software		One to five years
Office equipment		Three to five years
Furniture and fixtures		Five to seven years
Internally developed software for internal-use		Seven years
Leasehold improvements		Shorter of lease term or useful life
Buildings		Thirty-nine years
Land		Not depreciated

Property and equipment, including equipment under capital lease obligations, consists of the following:



	September 30,
	2018			2017
	(in thousands)
Computers and purchased software	$	2,488		$	23,724
Internally developed software for internal-use	8,094			7,100
Office/Operational equipment	5,957			6,845
Leasehold improvements	2,918			4,167
Building	2,572			2,558
Furniture and fixtures	1,056			1,247
Vehicles	858			1,048
Land	754			754
Construction in progress	2,991			944
Total property and equipment	27,688			48,387
Less: Accumulated depreciation and amortization	(11,078		)	(31,594		)
Total property and equipment, net	$	16,610		$	16,793

Schedule of changes in accumulated other comprehensive income (loss), net of taxes

The following table shows the changes in accumulated other comprehensive income (loss), net of taxes (in thousands):



	Foreign Currency Translation Adjustments			Net Change Pension and Other Postretirement Benefit Plans			Accumulated Deficit
Balance at September 30, 2015	$	(6,947	)	$	1,321		$	(5,626	)
Current-period other comprehensive (loss) income	(398		)	(2,547		)	(2,945		)
Balance at September 30, 2016	(7,345		)	(1,226		)	(8,571		)
Current-period other comprehensive (loss) income	551			1,589			2,140
Balance at September 30, 2017	(6,794		)	363			(6,431		)
Current-period other comprehensive (loss) income	(791		)	773			(18		)
Balance at September 30, 2018	$	(7,585	)	$	1,136		$	(6,449	)

Acquisition (Tables)

12 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Schedule of Purchase Price Allocation

The purchase price was allocated as follows:



	Consideration Amount
	(in thousands)
Other Current Assets	$	106
Goodwill	14,558
Customer relationships intangible asset	3,100
Developed technology intangible asset	2,700
Trade name intangible asset	1,500
Property and equipment and other long-term assets	252
Liabilities excluding deferred revenue	(956		)
Deferred revenue	(1,400		)
Total consideration	$	19,860

Schedule of Pro Forma Information

The following pro-forma financial information presents the Company's results as if the acquisition had occurred on October 1, 2016:



	Year Ended September 30,
	2018			2017
	(in thousands)
Revenue	$	228,484		$	272,231
Net loss	$	(12,857	)	$	(42,289	)

Property and Equipment (Tables)

12 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Schedule of estimated useful lives of property and equipment

Property and equipment are recorded at cost, and depreciated or amortized on a straight-line basis over the following estimated useful lives:



Computers and purchased software		One to five years
Office equipment		Three to five years
Furniture and fixtures		Five to seven years
Internally developed software for internal-use		Seven years
Leasehold improvements		Shorter of lease term or useful life
Buildings		Thirty-nine years
Land		Not depreciated

Property and equipment, including equipment under capital lease obligations, consists of the following:



	September 30,
	2018			2017
	(in thousands)
Computers and purchased software	$	2,488		$	23,724
Internally developed software for internal-use	8,094			7,100
Office/Operational equipment	5,957			6,845
Leasehold improvements	2,918			4,167
Building	2,572			2,558
Furniture and fixtures	1,056			1,247
Vehicles	858			1,048
Land	754			754
Construction in progress	2,991			944
Total property and equipment	27,688			48,387
Less: Accumulated depreciation and amortization	(11,078		)	(31,594		)
Total property and equipment, net	$	16,610		$	16,793

Goodwill (Tables)

12 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of goodwill activity

The following summarizes the goodwill activity for the Company's reportable segments that have goodwill during the periods indicated:



Goodwill (in thousands)	RSCG			CAG			GovDeals		Machinio		Total
Balance at September 30, 2015	$	18,604		$	45,469		$	—	$	—	$	64,073
Reallocation of goodwill	—			(23,731		)	23,731		—		—
Impairment charge	(18,998		)	—					—		(18,998		)
Translation adjustments	394			(335		)	—		—		59
Balance at September 30, 2016	$	—		$	21,403		$	23,731	$	—	$	45,134
Translation adjustments	—			254			—		—		254
Balance at September 30, 2017	$	—		$	21,657		$	23,731	$	—	$	45,388
Business acquisition	—			—			—		14,558		14,558
Translation adjustments	—			(127		)	—		—		(127		)
Balance at September 30, 2018	$	—		$	21,530		$	23,731	$	14,558	$	59,819

Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2018

Finite-Lived Intangible Assets, Net [Abstract]

Schedule of intangible assets



		Balance as of September 30, 2018								Balance as of September 30, 2017
	Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted average useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
		(in thousands)								(in thousands)
Contract intangibles	6	$	3,100	$	(129	)	$	2,971	6.0	$	—	$	—		$	—
Brand and technology	5	2,700		(135		)	2,565		5.0	—		—			—
Patent and trademarks	7 - 10	2,269		(439		)	1,830		7.8	943		(516		)	427
Total intangible assets, net		$	8,069	$	(703	)	$	7,366		$	943	$	(516	)	$	427

Schedule of future expected amortization of intangible assets

Future expected amortization of intangible assets at September 30, 2018, is as follows:



Year Ending September 30,	Amortization
	(in thousands)
2019	$	1,338
2020	1,336
2021	1,330
2022	1,322
2023	1,177
2024 and after	863
Total	$	7,366

Commitments (Tables)

12 Months Ended

Sep. 30, 2018

Leases, Operating [Abstract]

Schedule of future minimum payments under leases

Future minimum payments under the leases as of September 30, 2018, are as follows:



Year Ending September 30,	Operating Lease Payments
	(in thousands)
2019	$	5,952
2020	2,881
2021	1,743
2022	1,001
2023	305
Total future minimum lease payments	$	11,882

Income Taxes (Tables)

12 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of components of provision for income taxes of continuing operations

The components of the provision for income taxes of continuing operations are as follows:



	Year Ended September 30,
	2018			2017			2016
	(in thousands)
Current tax provision (benefit):
U.S. Federal	$	108		$	(234	)	$	—
State	714			613			672
Foreign	795			(210		)	176
	1,617			169			848
Deferred tax (benefit) expense:
U.S. Federal	(6,796		)	(592		)	25,338
State	(4,182		)	(86		)	3,890
Foreign	33			58			(3,051		)
	(10,945		)	(620		)	26,177
Total (benefit) provision	$	(9,328	)	$	(451	)	$	27,025

Schedule of significant components of deferred tax assets and liabilities

Significant components of the Company's deferred tax assets and liabilities are as follows:



	September 30,
	2018			2017
	(in thousands)
Deferred tax assets:
Net operating losses—Foreign	$	10,163		$	9,171
Net operating losses—U.S.	32,328			31,133
Accrued vacation and bonus	437			859
Inventory capitalization	238			1,315
Inventory reserve	—			1,903
Allowance for doubtful accounts	47			98
Stock compensation expense	3,455			6,689
Amortization of intangibles	—			2,753
Restructuring costs	353			913
Other	1,158			3,134
Total deferred tax assets before valuation allowance	48,179			57,968
Less: valuation allowance	(39,337		)	(54,379		)
Net deferred tax assets	8,842			3,589
Deferred tax liabilities:
Amortization of intangibles	204			—
Amortization of goodwill	5,949			9,000
Depreciation	37			185
Capitalized costs	2,542			3,032
Pension liability	556			372
Total deferred tax liabilities	$	9,288		$	12,589
Net deferred taxes	$	(446	)	$	(9,000	)

Schedule of reconciliation of U.S. federal statutory rate to effective rate for continuing operations

The reconciliation of the U.S. federal statutory rate to the effective rate for continuing operations is as follows:



	Year Ended September 30,
	2018		2017		2016
U.S. statutory rate	24.5	%	35.0	%	35.0	%
Permanent items	(1.2	)%	(0.9	)%	(4.2	)%
State taxes	0.1	%	1.2	%	1.9	%
Net foreign rate differential	(1.3	)%	(2.8	)%	(3.8	)%
Unrecognized tax benefits	(0.5	)%	3.5	%	(2.2	)%
Change in valuation allowance	(31.6	)%	(34.8	)%	(108.8	)%
Benefit from new Tax Act	51.3	%	—	%	—	%
Other	3.30	%	(0.06	)%	—	%
Provision for income taxes	44.6	%	1.1	%	(82.1	)%

Schedule of reconciliation unrecognized tax benefits

The following is a tabular reconciliation of the total amounts of unrecognized tax benefits:



	Year Ended September 30, (In thousands)
	2018			2017			2016
Beginning balance at October 1	$	—		$	725		$	—
Additions based on positions related to the current year	—			—			—
Additions for tax positions of prior years	107			1,426			725
Reductions for tax positions of prior years	(107		)	(229		)	—
Settlements	—			(1,922		)	—
Balance at September 30	$	—		$	—		$	725

Equity Transactions (Tables)

12 Months Ended

Sep. 30, 2018

Stockholders' Equity Note [Abstract]

Summary of stock option activity

A summary of the Company's stock option activity for the years ended September 30, 2018, 2017, and 2016 is as follows:



	Options		Weighted- Average Exercise Price
Options outstanding at September 30, 2015	1,472,643		$	17.46
Options granted	583,228		6.68
Options exercised	(1,251	)	7.48
Options canceled	(346,133	)	16.99
Options outstanding at September 30, 2016	1,708,487		13.91
Options granted	232,845		9.18
Options exercised	(12,421	)	7.41
Options canceled	(223,938	)	13.00
Options outstanding at September 30, 2017	1,704,973		13.43
Options granted	671,644		5.09
Options assumed in business acquisition	47,201		1.21
Options exercised	(57,665	)	7.01
Options canceled	(347,830	)	13.82
Options outstanding at September 30, 2018	2,018,323		10.49
Options exercisable at September 30, 2018	1,060,958		14.74

Summary of information about options outstanding and exercisable

The following table summarizes information about options outstanding at September 30, 2018:



	Options Outstanding
Range of Exercise Price	Number Outstanding	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
$0.99 - $4.70	357,848	9.11	$	4.07
$4.71 - $6.40	441,934	6.34	5.61
$6.41 - $8.24	385,924	7.30	6.98
$8.25 - $11.08	406,929	5.64	9.52
$11.09 - $46.72	425,688	3.82	25.04

The following table summarizes information about options exercisable at September 30, 2018:



	Options Exercisable
Range of Exercise Price	Number Exercisable	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
$0.99 - $4.70	6,121	8.32	$	1.21
$4.71 - $6.40	224,234	7.30	6.29
$6.41 - $8.24	135,138	6.13	7.01
$8.25 - $11.08	270,402	5.24	9.71
$11.09 - $46.72	425,063	3.82	25.06

Summary of information about assumptions used in valuing options granted

The following table summarizes information about assumptions used in valuing options granted:



	Year ended September 30
	2018	2017	2016
Dividend yield	—	—	—
Expected volatility	50.76% - 58.59%	54.22% - 54.93%	51.5% - 58.6%
Risk-free interest rate	0.47% - 2.72%	1.65% - 2.17%	0.5% - 1.5%
Expected term	3.8	3.8	4.0

Summary of restricted share activity

A summary of the Company's restricted share activity for the years ended September 30, 2018, 2017, and 2016 is as follows:



	Restricted Shares		Weighted- Average Fair Value
Unvested restricted shares at September 30, 2015	2,367,187		$	16.08
Restricted shares granted	1,504,655		5.54
Restricted shares vested	(715,188	)	16.09
Restricted shares canceled	(495,409	)	20.25
Unvested restricted shares at September 30, 2016	2,661,245		9.34
Restricted shares granted	849,352		8.78
Restricted shares vested	(748,266	)	11.04
Restricted shares canceled	(571,900	)	9.81
Unvested restricted shares at September 30, 2017	2,190,431		8.42
Restricted shares granted	1,282,401		6.81
Restricted shares vested	(617,620	)	9.22
Restricted shares canceled	(538,356	)	8.78
Unvested restricted shares at September 30, 2018	2,316,856		7.23

Fair Value Measurement (Tables)

12 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation



	Contingent Consideration		Financial Instruments

Balance at September 30, 2016	$	—	$	2,200
Acquisition of financial assets	—		2,662
Settlements	—		(4,944		)
Change in fair value of financial assets	—		573
Balance at September 30, 2017	—		491
Acquisition of financial assets	—		—
Earn-out from business acquisition	1,200		—
Settlements	—		(401		)
Change in fair value	100		(90		)
Balance at September 30, 2018	$	1,300	$	—

Defined Benefit Pension Plan (Tables)

12 Months Ended

Sep. 30, 2018

Defined Benefit Plan [Abstract]

Schedule of net periodic benefit cost recognized

The net periodic benefit cost recognized for the years ended September 30, 2018, 2017 and 2016, included the following components:

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017			2016
	(in thousands)
Interest cost	$	651		$	582		$	814
Expected return on plan assets	(986		)	(826		)	(1,066		)
Total net periodic benefit	$	(335	)	$	(244	)	$	(252	)

Schedule of reconciliation of benefit obligations, plan assets, and funded status related to qualified defined benefit pension plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Change in plan assets
Beginning balance at fair value	$	26,943		$	25,767
Actual return on plan assets	1,175			569
Benefits paid	(2,297		)	(718		)
Employer's contributions	—			552
Foreign currency exchange rate changes	(689		)	773
Ending balance at fair value	$	25,132		$	26,943
Overfunded (underfunded) status of the Plan	$	2,906		$	1,859

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Change in benefit obligation
Beginning balance	$	25,085		$	26,321
Interest cost	651			582
Benefits paid	(2,297		)	(718		)
Actuarial loss/(gain)	(590		)	(1,861		)
Foreign currency exchange rate changes	(623		)	761
Ending balance	$	22,226		$	25,085

Schedule of amount recognized in other comprehensive loss related to qualified defined benefit pension plan, net of tax

Qualified Defined Benefit Pension Plan



	Year Ended September 30,
	2018			2017
	(in thousands)
Accumulated Other Comprehensive (Income) Loss
Accumulated Other Comprehensive (Income) Loss at beginning of year	$	(123	)	$	1,226
Net actuarial gains	(773		)	(1,589		)
Foreign currency exchange rate changes	4			240
Accumulated Other Comprehensive (Income) at end of year	$	(892	)	$	(123	)

Schedule of actuarial assumptions used to determine (benefit) obligations and net periodic benefit cost

The actuarial assumptions used to determine the benefit obligations at September 30, 2018 and September 30, 2017, and to determine the net periodic (benefit) cost for the year were as follows:

Qualified Defined Benefit Pension Plan



	2018		2017
Discount rate	2.90	%	2.70	%
Expected return on plan assets	4.00	%	3.80	%
Increases to non-GMP pensions in payment accrued pre 4/6/97	—	%	—	%
Increases to non-GMP pensions in payment accrued post 4/6/97	2.20	%	2.10	%
Rate of increases to deferred CPI linked benefits	2.20	%	2.10	%
Rate of increases to deferred RPI linked benefits	3.30	%	3.20	%

Schedule of expected benefit payments to participants

The Company's pension plan expects to make the following benefit payments to participants over the next 10 years:



	Pension Benefits
	(in thousands)
Year ending September 30,
2019	$	753
2020	770
2021	675
2022	726
2023	786
2024 through 2028	4,027
Total	$	7,737

Schedule of allocation of plan assets

The assets consisted of the following as of September 30, 2018:



	Actual 2018
Equity securities	45.7	%
Fixed-income securities	53.1	%
Cash equivalents	1.2	%
Total	100.0	%

Schedule of fair value of assets of qualified defined benefit pension plan by asset category and level within fair value hierarchy

The following table presents the fair value of the assets of the Company's qualified defined benefit pension plan by asset category and their level within the fair value hierarchy, which has three levels based on reliability of the inputs used to determine fair value. Level 1 refers to fair values determined based on quoted prices in active markets for identical assets, Level 2 refers to fair values estimated using significant other observable inputs, and Level 3 includes fair values estimated using significant unobservable inputs.



Balance as of September 30, 2017	Level 1		Level 2		Level 3		Total
	(in thousands)
Equity securities	$	—	$	11,778	$	—	$	11,778
Fixed-income securities	—		14,795		—		14,795
Cash equivalents	371		—		—		371
Total	$	371	$	26,573	$	—	$	26,944



Balance as of September 30, 2018	Level 1		Level 2		Level 3		Total
	(in thousands)
Equity securities	$	—	$	11,489	$	—	$	11,489
Fixed-income securities	—		13,347		—		13,347
Cash equivalents	296		—		—		296
Total	$	296	$	24,836	$	—	$	25,132

Business Realignment Expenses (Tables)

12 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Schedule of significant components and activity in business realignment initiatives

The table below sets forth the significant components and activity in the liability for business realignment initiatives during the year ended September 30, 2018, on a segment and consolidated basis:



(in thousands)	Liability Balance at September 30, 2016		Business Realignment Expenses		Cash Payments			Liability Balance at September 30, 2017		Business Realignment Expenses			Cash Payments			Liability Balance at September 30, 2018
Employee severance and benefit costs:
CAG	$	—	$	1,037	$	(244	)	$	793	$	979		$	(1,683	)	$	89
Corporate & Other	—		570		(171		)	399		472			(850		)	21
Total employee severance and benefit costs	$	—	$	1,607	$	(415	)	$	1,192	$	1,451		$	(2,533	)	$	110
Occupancy and other costs:
CAG	—		—		—			—		739			(280		)	459
Corporate & Other	—		2,616		(628		)	1,988		(248		)	(933		)	807
Total occupancy and other costs	$	—	$	2,616	$	(628	)	$	1,988	$	491		$	(1,213	)	$	1,266
Total business realignment	$	—	$	4,223	$	(1,043	)	$	3,180	$	1,942		$	(3,746	)	$	1,376

Segment Information (Tables)

12 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Total long-lived assets by geographic areas are presented as follows:



	September 30,		September 30,
(in thousands)	2018		2017
United States	$	16,367	$	16,142
Rest of the world	243		651
Consolidated	$	16,610	$	16,793

Property and equipment, additions by segment are presented as follows:



	September 30,		September 30,
(in thousands)	2018		2017
GovDeals	$	402	$	223
CAG	106		938
RSCG	1,450		733
Machinio	20		—
Corporate & Other	3,818		5,911
Consolidated	$	5,796	$	7,805

The following table sets forth certain financial information for the Company's reportable segments.



		Year Ended September 30,
(in thousands)		2018			2017			2016
GovDeals:
	Revenue	$	—		$	—		$	—
	Fee revenue	30,214			26,853			22,802
	Total revenue	30,214			26,853			22,802
	Gross profit	27,990			25,172			21,422
	Depreciation and amortization	240			245			241
	Other operating expenses	(32		)	—			—

CAG:
	Revenue	57,717			100,160			140,210
	Fee revenue	30,308			44,971			51,555
	Total revenue	88,025			145,131			191,765
	Gross profit	48,873			71,934			109,373
	Depreciation and amortization	269			1,222			1,837
	Other operating expenses	1,143			465			—

RSCG:
	Revenue	88,295			85,766			88,986
	Fee revenue	13,659			9,265			5,232
	Total revenue	101,954			95,032			94,218
	Gross profit	33,009			30,050			29,903
	Depreciation and amortization	1,304			1,134			974
	Other operating expenses	4			—			—

Machinio:
	Revenue	—			—			—
	Fee revenue	653			—			—
	Total revenue	653			—			—
	Gross profit	501			—			—
	Depreciation and amortization	366			—			—
	Other operating expenses	—			—			—

Corporate & Other:
	Revenue	3,665			2,644			4,632
	Fee revenue	3			356			3,037
	Total revenue	3,668			2,999			7,669
	Gross profit	(661		)	(2,666		)	1,415
	Depreciation and amortization	2,420			3,195			3,449
	Other operating expenses	277			3,187			—

Consolidated:
	Revenue	149,677			188,570			233,828
	Fee revenue	74,837			81,445			82,626
	Total revenue	224,514			270,015			316,454
	Gross profit	109,712			124,490			162,113
	Depreciation and amortization	4,599			5,796			6,502
	Other operating expenses	$	1,392		$	3,651		$	—

Revenue attributed to countries that represent a significant portion of consolidated revenues are as follows:



	Year Ended September 30,
(in thousands)	2018		2017		2016
United States	$	193,240	$	240,102	$	281,328
Rest of the world	31,274		29,913		35,126
Consolidated	$	224,514	$	270,015	$	316,454

Total segment assets reconciled to consolidated amounts are as follows:



	September 30,		September 30,
(in thousands)	2018		2017
Segment Assets:
GovDeals	$	47,632	$	43,262
CAG	100,145		115,514
RSCG	19,248		39,766
Machinio	23,306		—
Corporate & Other	11,501		16,687
Total Segment Assets:	$	201,832	$	215,229

Reconciliation of Revenue from Segments to Consolidated

The following table presents a reconciliation between gross profit used in the reportable segments and the Company's consolidated results:



		Year Ended September 30,
(in thousands)		2018			2017			2016
Reconciliation:
	Gross profit	109,712			124,490			162,113
	Operating expenses	129,713			160,839			196,231
	Other operating expenses	1,392			3,651			—
	Interest (income) expense and other expense, net	(450		)	(362		)	(1,217		)
	(Benefit) provision for income taxes	(9,328		)	(451		)	27,025
	Net loss	$	(11,615	)	$	(39,187	)	$	(59,926	)

Quarterly Results (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of unaudited quarterly consolidated statement of operations data



	Three months ended
	Dec. 31, 2016			Mar. 31, 2017			June 30, 2017			Sept. 30, 2017			Dec. 31, 2017			Mar. 31, 2018			June 30, 2018			Sept. 30, 2018
	(in thousands, except share and per share data)
Revenue from operations	$	70,796		$	72,335		$	65,520		$	61,364		$	61,143		$	60,097		$	50,569		$	52,705
Gross Profit	$	33,977		$	32,811		$	29,918		$	27,784		$	30,200		$	27,511		$	27,144		$	24,857
Loss before provision for income taxes from operations	$	(8,294	)	$	(8,305	)	$	(8,573	)	$	(14,466	)	$	(6,027	)	$	(5,276	)	$	(3,093	)	$	(6,547	)
Net loss from operations	$	(8,397	)	$	(8,252	)	$	(8,614	)	$	(13,924	)	$	(1,212	)	$	(5,655	)	$	(3,705	)	$	(1,043	)
Basic and diluted loss per common share	$	(0.27	)	$	(0.26	)	$	(0.27	)	$	(0.44	)	$	(0.04	)	$	(0.18	)	$	(0.12	)	$	(0.03	)
Basic and diluted weighted average shares outstanding	31,261,603			31,361,122			31,485,599			31,503,349			31,876,603			31,972,752			32,104,368			32,425,669

Organization (Details) client in Thousands	3 Months Ended	12 Months Ended
Organization (Details) client in Thousands	Sep. 30, 2018 reportablesegment client	Sep. 30, 2018 reportablesegment categories client	Jul. 10, 2018
Business Acquisition [Line Items]
Number of product categories offered (in categories) \| categories		500
Number of clients \| client	11	11
Reportable segments (in segments) \| reportablesegment	5	5
Machinio
Business Acquisition [Line Items]
Percentage acquired			100.00%

Summary of Significant Accounting Policies - Short-term Investments (Details)	Sep. 30, 2018
Minimum
Short-term Debt [Line Items]
Interest rate	2.00%
Maximum
Short-term Debt [Line Items]
Interest rate	2.50%

Summary of Significant Accounting Policies - Inventory (Details) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 30, 2017
Inventory [Line Items]
Inventory reserve	$ 0.5	$ 4.6
IronDirect
Inventory [Line Items]
Inventory reserve		$ 3.1

Summary of Significant Accounting Policies - Other Assets (Details) - Tanager Acquisitions Promissory Note - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2015
Receivables with Imputed Interest [Line Items]
Receivable with imputed interest, face amount		$ 12.3
Receivable with imputed interest, term (in years)		5 years
Proceeds from collection of notes receivable	$ 4.0
Receivable with imputed interest, net amount	8.3
Other Assets
Receivables with Imputed Interest [Line Items]
Receivable with imputed interest, net amount	6.3
Prepaid Expenses and Other Current Assets
Receivables with Imputed Interest [Line Items]
Receivable with imputed interest, net amount	$ 2.0

Summary of Significant Accounting Policies - PP&E (Details)	12 Months Ended
	Sep. 30, 2018
Computers and purchased software \| Minimum
Property and Equipment
Estimated useful life	1 year
Computers and purchased software \| Maximum
Property and Equipment
Estimated useful life	5 years
Office equipment \| Minimum
Property and Equipment
Estimated useful life	3 years
Office equipment \| Maximum
Property and Equipment
Estimated useful life	5 years
Furniture and fixtures \| Minimum
Property and Equipment
Estimated useful life	5 years
Furniture and fixtures \| Maximum
Property and Equipment
Estimated useful life	7 years
Internally developed software for internal-use
Property and Equipment
Estimated useful life	7 years
Buildings
Property and Equipment
Estimated useful life	39 years

Summary of Significant Accounting Policies - Intangible Assets and Impairment of Long-Lived Assets (Details) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Intangible Assets
Impairment of long-lived assets	$ 0
Minimum
Intangible Assets
Useful Life (in years)	3 years
Maximum
Intangible Assets
Useful Life (in years)	10 years
Contract Intangible \| IronDirect
Intangible Assets
Impairment of contract intangible asset		$ 1,200,000
Leasehold improvements \| IronDirect
Intangible Assets
Impairment of long-lived assets		$ 600,000

Summary of Significant Accounting Policies - Deferred Revenue (Details)	12 Months Ended
	Sep. 30, 2018
Accounting Policies [Abstract]
Timing of revenue recognition	Deferred revenue is primarily derived from subscription fees charged to customers for promotional placement on Machinio's search engine over periods ranging from one to fifteen months.

Summary of Significant Accounting Policies - Concentration (Details) - contract		12 Months Ended
	Oct. 11, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Surplus Contract
Risk Associated with Certain Concentrations
Number of contracts	2
U.S. Department of Defense
Risk Associated with Certain Concentrations
Number of contracts		2	2,000	2,000
U.S. Department of Defense \| Revenue \| Surplus Contract
Risk Associated with Certain Concentrations
Concentration risk (as a percent)		12.40%	27.60%	31.00%
U.S. Department of Defense \| Revenue \| Scrap Contract
Risk Associated with Certain Concentrations
Concentration risk (as a percent)		10.20%	11.10%	10.20%
Supplier Concentration Risk \| Cost of Goods Sold \| Contract with commercial client
Risk Associated with Certain Concentrations
Concentration risk (as a percent)		33.70%	21.80%	12.10%
Maximum
Risk Associated with Certain Concentrations
Term for release of funds to the seller		30 days

Summary of Significant Accounting Policies - Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ (107)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		(207)
Retained Earnings \| Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ (200)
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Shares and options vesting period	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Shares and options vesting period	4 years

Summary of Significant Accounting Policies - Advertising Costs and AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 132,636	$ 162,611	$ 216,002
Current-period other comprehensive (loss) income	(18)	2,140	(2,945)
Balance	129,654	132,636	162,611
Advertising Costs
Advertising costs	3,600	5,200	6,000
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(6,794)	(7,345)	(6,947)
Current-period other comprehensive (loss) income	(791)	551	(398)
Balance	(7,585)	(6,794)	(7,345)
Net Change Pension and Other Post Retirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	363	(1,226)	1,321
Current-period other comprehensive (loss) income	773	1,589	(2,547)
Balance	1,136	363	(1,226)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	(6,431)	(8,571)	(5,626)
Current-period other comprehensive (loss) income	(18)	2,140	(2,945)
Balance	$ (6,449)	$ (6,431)	$ (8,571)

Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Jul. 10, 2018	Sep. 30, 2018
Minimum
Business Acquisition [Line Items]
Interest rate		2.00%
Maximum
Business Acquisition [Line Items]
Interest rate		2.50%
Machinio
Business Acquisition [Line Items]
Maximum earn-out	$ 5.0
Fair value of earn-out	$ 1.2

Summary of Significant Accounting Policies - Earnings Per Share (Details) - shares	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Options
Earnings per Share
Anti-dilutive securities	1,170,125	1,023,072	1,284,689

Summary of Significant Accounting Policies - Accounting Standards Adopted (Details) - USD ($) $ in Thousands	Oct. 01, 2018	Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ (107)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		(207)
Retained Earnings \| Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ (200)
Scenario, Forecast \| Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract asset	$ 800
Scenario, Forecast \| Difference between Revenue Guidance in Effect before and after Topic 606 \| Retained Earnings \| Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings	800
Scenario, Forecast \| Difference between Revenue Guidance in Effect before and after Topic 606 \| Retained Earnings \| Accounting Standards Update 2014-09 - Recognition Of Variable Compensation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings	700
Scenario, Forecast \| Difference between Revenue Guidance in Effect before and after Topic 606 \| Retained Earnings \| Accounting Standards Update 2014-09 - Recognition Of Sales Commissions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings	$ 100

Significant Contracts (Details)		3 Months Ended	12 Months Ended
Significant Contracts (Details)	Oct. 11, 2017 contract	Dec. 31, 2016	Sep. 30, 2018 USD ($) option contract	Sep. 30, 2017 USD ($) contract	Sep. 30, 2016 USD ($) contract
Significant Contracts
Liability for inventory included in accrued expenses and other current liabilities \| $			$ 21,373,000	$ 30,193,000
U.S. Department of Defense
Significant Contracts
Number of contracts \| contract			2	2,000	2,000
Surplus Contract
Significant Contracts
Number of contracts \| contract	2
Liability for inventory included in accrued expenses and other current liabilities \| $			$ 0	$ 6,200,000	$ 16,100,000
Surplus Contract \| U.S. Department of Defense \| Revenue
Significant Contracts
Concentration risk (as a percent)			12.40%	27.60%	31.00%
Surplus Contract \| Non-rolling stock surplus contract
Significant Contracts
Usable surplus property to be purchased as a fixed percentage of DoD's original acquisition value			4.35%
Profits from resale of the property (as a percent)			100.00%
Scrap Contract
Significant Contracts
Term of contract (in years)		36 months
Number of contract extensions \| option			2
Renewal options extended term			12 months
Adjusted percentage of profit sharing distribution			64.50%
Scrap Contract \| U.S. Department of Defense \| Revenue
Significant Contracts
Concentration risk (as a percent)			10.20%	11.10%	10.20%

Acquisition - Narrative (Details)		12 Months Ended
Acquisition - Narrative (Details)	Jul. 10, 2018 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 59,819,000	$ 45,388,000	$ 45,134,000	$ 64,073,000
Net operating loss since acquisition		(900,000)
Machinio
Business Acquisition [Line Items]
Percentage acquired	100.00%
Consideration paid	$ 19,900,000
Cash	1,500,000
Purchase price, net	16,700,000
Value of stock issued	2,000,000
Maximum earn-out	5,000,000
Fair value of earn-out	1,200,000
Value of shares issued		4,700,000
Goodwill	14,558,000
Goodwill deductible for tax purposes	$ 0
Net sales since acquisition date		$ 700,000
Minimum \| Measurement Input, Rate Of Return
Business Acquisition [Line Items]
Intangible assets, measurement input		0.30
Deferred revenue, measurement input		0.30
Contingent consideration, measurement input		0.12
Maximum \| Measurement Input, Rate Of Return
Business Acquisition [Line Items]
Intangible assets, measurement input		0.35
Deferred revenue, measurement input		0.35
Contingent consideration, measurement input		0.17

Acquisition - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jul. 10, 2018	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Goodwill	$ 59,819		$ 45,388	$ 45,134	$ 64,073
Machinio
Business Acquisition [Line Items]
Other Current Assets		$ 106
Goodwill		14,558
Property and equipment and other long-term assets		252
Liabilities excluding deferred revenue		(956)
Deferred revenue		(1,400)
Total consideration		19,860
Customer Relationships \| Machinio
Business Acquisition [Line Items]
Intangible assets		3,100
Developed Technology \| Machinio
Business Acquisition [Line Items]
Intangible assets		2,700
Trade Name \| Machinio
Business Acquisition [Line Items]
Intangible assets		$ 1,500

Acquisition - Pro Forma (Details) - Machinio - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Revenue	$ 228,484	$ 272,231
Net loss	$ (12,857)	$ (42,289)

Property and Equipment (Details) - USD ($)	12 Months Ended
Property and Equipment (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Property and Equipment
Property, plant, and equipment	$ 27,688,000	$ 48,387,000
Less: Accumulated depreciation and amortization	(11,078,000)	(31,594,000)
Property and equipment, net	16,610,000	16,793,000
Depreciation and amortization	4,200,000	4,800,000	$ 5,100,000
Capitalized internally developed software for internal-use	5,796,000	7,805,000
Impairment of long-lived assets	0
Computers and purchased software
Property and Equipment
Property, plant, and equipment	2,488,000	23,724,000
Internally developed software for internal-use
Property and Equipment
Property, plant, and equipment	8,094,000	7,100,000
Depreciation and amortization	1,400,000	400,000	$ 0
Property, plant and equipment transfer	400,000	3,900,000
Capitalized internally developed software for internal-use	2,500,000	3,200,000
Office/Operational equipment
Property and Equipment
Property, plant, and equipment	5,957,000	6,845,000
Leasehold improvements
Property and Equipment
Property, plant, and equipment	2,918,000	4,167,000
Building
Property and Equipment
Property, plant, and equipment	2,572,000	2,558,000
Furniture and fixtures
Property and Equipment
Property, plant, and equipment	1,056,000	1,247,000
Vehicles
Property and Equipment
Property, plant, and equipment	858,000	1,048,000
Land
Property and Equipment
Property, plant, and equipment	754,000	754,000
Construction in progress
Property and Equipment
Property, plant, and equipment	$ 2,991,000	944,000
IronDirect \| Leasehold improvements
Property and Equipment
Impairment of long-lived assets		$ 600,000

Goodwill - Narrative (Details) $ in Thousands	12 Months Ended
Goodwill - Narrative (Details) $ in Thousands	Sep. 30, 2018 USD ($) reportablesegment	Sep. 30, 2017 USD ($) reportablesegment	Sep. 30, 2016 USD ($) reportablesegment
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reporting units \| reportablesegment	5	4	5
Impairment charge			$ 18,998
Accumulated goodwill impairment loss	$ 168,600	$ 168,600

Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Goodwill [Roll Forward]
Balance at the beginning of the period		$ 45,388	$ 45,134	$ 64,073
Reallocation of goodwill				0
Impairment charge				(18,998)
Translation adjustments		(127)	254	59
Business acquisition		14,558
Balance at the end of the period	$ 45,134	59,819	45,388	45,134
RSCG
Goodwill [Roll Forward]
Balance at the beginning of the period		0	0	18,604
Reallocation of goodwill				0
Impairment charge	(19,000)			(18,998)
Translation adjustments		0	0	394
Business acquisition		0
Balance at the end of the period	0	0	0	0
CAG
Goodwill [Roll Forward]
Balance at the beginning of the period		21,657	21,403	45,469
Reallocation of goodwill				(23,731)
Impairment charge				0
Translation adjustments		(127)	254	(335)
Business acquisition		0
Balance at the end of the period	21,403	21,530	21,657	21,403
GovDeals
Goodwill [Roll Forward]
Balance at the beginning of the period		23,731	23,731	0
Reallocation of goodwill				23,731
Translation adjustments		0	0	0
Business acquisition		0
Balance at the end of the period	23,731	23,731	23,731	23,731
Machinio
Goodwill [Roll Forward]
Balance at the beginning of the period		0	0	0
Reallocation of goodwill				0
Impairment charge				0
Translation adjustments		0	0	0
Business acquisition		14,558
Balance at the end of the period	$ 0	$ 14,558	$ 0	$ 0

Intangible Assets - Narrative (Details) - USD ($)	9 Months Ended	12 Months Ended
Intangible Assets - Narrative (Details) - USD ($)	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Jul. 10, 2018
Intangible Assets
Gross Carrying Amount		$ 8,069,000	$ 943,000
Accumulated Amortization		(703,000)	(516,000)
Net Carrying Amount		7,366,000	427,000
Amortization expense		$ 400,000	1,000,000	$ 1,400,000
Minimum
Intangible Assets
Useful Life (in years)		3 years
Maximum
Intangible Assets
Useful Life (in years)		10 years
Contract intangibles
Intangible Assets
Useful Life (in years)		6 years
Gross Carrying Amount		$ 3,100,000	0
Accumulated Amortization		(129,000)	0
Net Carrying Amount		$ 2,971,000	0
Contract intangibles \| Weighted Average
Intangible Assets
Useful Life (in years)		6 years
Brand and technology
Intangible Assets
Useful Life (in years)		5 years
Gross Carrying Amount		$ 2,700,000	0
Accumulated Amortization		(135,000)	0
Net Carrying Amount		$ 2,565,000	0
Brand and technology \| Weighted Average
Intangible Assets
Useful Life (in years)		5 years
Patent and trademarks
Intangible Assets
Gross Carrying Amount		$ 2,269,000	943,000
Accumulated Amortization		(439,000)	(516,000)
Net Carrying Amount		$ 1,830,000	427,000
Patent and trademarks \| Minimum
Intangible Assets
Useful Life (in years)		7 years
Patent and trademarks \| Maximum
Intangible Assets
Useful Life (in years)		10 years
Patent and trademarks \| Weighted Average
Intangible Assets
Useful Life (in years)		7 years 9 months 7 days
Noncompete Agreements \| TruckCenter
Intangible Assets
Write off of intangible asset	$ 100,000
Unamortized value of intangible asset			0
IronDirect \| Contract intangibles
Intangible Assets
Write off of intangible asset			$ 1,200,000
Machinio
Intangible Assets
Percentage acquired					100.00%

Intangible Assets - Future Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Future expected amortization of intangible assets
2019	$ 1,338
2020	1,336
2021	1,330
2022	1,322
2023	1,177
2024 and after	863
Net Carrying Amount	$ 7,366	$ 427

Commitments (Details) $ in Thousands	1 Months Ended	12 Months Ended
Commitments (Details) $ in Thousands	Nov. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Jun. 16, 2017 ft²
Operating Leased Assets [Line Items]
Deferred rent charges included in other long-term liabilities		$ 600	$ 600
Rent expense		10,700	10,800	$ 11,500
Future minimum payments under the leases
2019		5,952
2020		2,881
2021		1,743
2022		1,001
2023		305
Total future minimum lease payments		11,882
Other Operating Expense
Operating Leased Assets [Line Items]
Cease use charge			2,000
Office space \| Bethesda, Maryland
Operating Leased Assets [Line Items]
Number of square feet \| ft²					18,412
Office space \| DISTRICT OF COLUMBIA \| Other Operating Expense
Operating Leased Assets [Line Items]
Cease use charge		$ 2,000	$ 2,000
Subsequent Event \| Office space \| DISTRICT OF COLUMBIA \| Other Operating Expense
Operating Leased Assets [Line Items]
Cease use charge	$ 300

401(k) Benefit Plan (Details) - USD ($) $ in Millions	12 Months Ended
401(k) Benefit Plan (Details) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Defined Contribution Plan [Abstract]
Amount contributed and recorded expense under the 401(k) Benefit Plan	$ 1.4	$ 2.1	$ 1.7

Income Taxes - Provision (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes - Provision (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Current tax provision (benefit):
U.S. Federal	$ 108	$ (234)	$ 0
State	714	613	672
Foreign	795	(210)	176
Current income tax expense	1,617	169	848
Deferred tax (benefit) expense:
U.S. Federal	(6,796)	(592)	25,338
State	(4,182)	(86)	3,890
Foreign	33	58	(3,051)
Total deferred tax (benefit) expense	(10,945)	(620)	26,177
Total (benefit) provision	$ (9,328)	$ (451)	$ 27,025

Income Taxes - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Deferred tax assets:
Net operating losses—Foreign	$ 10,163	$ 9,171
Net operating losses—U.S.	32,328	31,133
Accrued vacation and bonus	437	859
Inventory capitalization	238	1,315
Inventory reserve	0	1,903
Allowance for doubtful accounts	47	98
Stock compensation expense	3,455	6,689
Amortization of intangibles	0	2,753
Restructuring costs	353	913
Other	1,158	3,134
Total deferred tax assets before valuation allowance	48,179	57,968
Less: valuation allowance	(39,337)	(54,379)
Net deferred tax assets	8,842	3,589
Deferred tax liabilities:
Amortization of intangibles	204	0
Amortization of goodwill	5,949	9,000
Depreciation	37	185
Capitalized costs	2,542	3,032
Pension liability	556	372
Total deferred tax liabilities	9,288	12,589
Net deferred taxes	$ (446)	$ (9,000)

Income Taxes - Reconciliation (Details)	12 Months Ended
Income Taxes - Reconciliation (Details)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Reconciliation of the U.S. federal statutory rate to the effective rate for continuing operations
U.S. statutory rate (as a percent)	24.53%	35.00%	35.00%
Permanent items (as a percent)	(1.20%)	(0.90%)	(4.20%)
State taxes (as a percent)	0.10%	1.20%	1.90%
Net foreign rate differential (as a percent)	(1.30%)	(2.80%)	(3.80%)
Unrecognized tax benefits (as a percent)	(0.50%)	3.50%	(2.20%)
Change in valuation allowance (as a percent)	(31.60%)	(34.80%)	(108.80%)
Benefit from new Tax Act (as a percent)	51.30%	0.00%	0.00%
Other (as a percent)	3.30%	(0.06%)	0.00%
Provision for income taxes (as a percent)	44.60%	1.10%	(82.10%)

Income Taxes - CarryForwards (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 10, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Net operating loss (NOL) carryforwards
Deferred tax assets related to available federal and state NOL carryforwards		$ 28,400	$ 45,400
Deferred tax assets related to available foreign NOL carryforwards		$ 10,163	$ 9,171
U.S. statutory rate (as a percent)		24.53%	35.00%	35.00%
Valuation allowance, deferred tax asset, decrease		$ 10,700
Increase (decrease) in valuation allowance		15,000
Valuation allowance		39,337	$ 54,379
Undistributed foreign earnings		7,900
Cash and cash equivalents held overseas on which taxes would be incurred upon repatriation		14,400	14,900
Reconciliation of unrecognized tax benefits
Beginning balance		0	725	$ 0
Additions based on positions related to the current year		0	0	0
Additions for tax positions of prior years		107	1,426	725
Reductions for tax positions of prior years		(107)	(229)	0
Settlements		0	(1,922)	0
Ending balance		0	0	$ 725
Interest expense		100
Foreign
Net operating loss (NOL) carryforwards
NOL's subject to expiration		400
Deferred Tax Asset Related To Change In Tax Rate
Net operating loss (NOL) carryforwards
Increase (decrease) in valuation allowance		10,800
Deferred Tax Asset Related To Alternative Minimum Tax Credit
Net operating loss (NOL) carryforwards
Increase (decrease) in valuation allowance		10,700
Deferred Tax Asset Related To Net Operating Loss Carryforward
Net operating loss (NOL) carryforwards
Increase (decrease) in valuation allowance			$ 7,200
Machinio
Net operating loss (NOL) carryforwards
Percentage acquired	100.00%
Consideration paid	$ 19,900
Acquisition, deferred tax liability	700
Acquisition, net operating loss	$ 1,800
Machinio \| Deferred Tax Asset Related To Business Acquisition
Net operating loss (NOL) carryforwards
Increase (decrease) in valuation allowance		$ 700

Equity Transactions - 2006 Plan (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	12 Months Ended
	Feb. 23, 2017	Feb. 28, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Jan. 09, 2015	Sep. 30, 2014	Dec. 02, 2005
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares available for issuance (in shares)	16,300,000							10,000,000
Remaining shares reserved for issuance (in shares)			2,721,386				772,227
Increase in shares available for issuance (in shares)	3,300,000	3,000,000
Reserve shares counted per share granted from fungible share pool (in shares)						1.5
Stock-based compensation			$ 6.6	$ 7.4	$ 12.3
Unvested awards
Service costs related to unvested awards, not yet recognized			$ 5.2
Weighted average vesting period for recognition of cost related to unvested awards			48 months
Minimum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares and options vesting period			1 year
Maximum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares and options vesting period			4 years
Options
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares available for issuance (in shares)			671,644
Employee Stock Option - Performance Based
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares and options vesting period			12 months
Shares available for issuance (in shares)			418,780
Employee Stock Option - Performance Based \| Minimum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Actual payout as a percent of employee target payout, based upon the entity's actual performance during the previous twelve months			0.00%
Employee Stock Option - Performance Based \| Maximum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Actual payout as a percent of employee target payout, based upon the entity's actual performance during the previous twelve months			100.00%
Employee Stock Option - Time Based
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares and options vesting period			4 years
Shares available for issuance (in shares)			252,864
Restricted shares
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares available for issuance (in shares)			1,282,401
Granted (in shares)			1,282,401	849,352	1,504,655
Granted (in dollars per share)			$ 6.81	$ 8.78	$ 5.54
Forfeited (in shares)			538,356	571,900	495,409
Restricted Stock - Performance Based
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares available for issuance (in shares)			915,180
Restricted Stock - Time Based
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Shares and options vesting period			4 years
Shares available for issuance (in shares)			367,221
Cash-settled stock appreciation rights
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Granted (in shares)			104,055	218,550
Granted (in dollars per share)			$ 4.57	$ 10.30
Forfeited (in shares)			415,373	234,313
Options or stock appreciation rights \| Maximum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Number of shares awarded per person per year (in shares)			1,000,000
Other than options or stock appreciation rights \| Maximum
2006 Omnibus Long-Term Incentive Plan (the 2006 Plan)
Number of shares awarded per person per year (in shares)			700,000
Performance awards
Unvested awards
Service costs related to unvested awards, not yet recognized			$ 9.8
Employee and director options \| Minimum
Unvested awards
Exercise price of stock option as a percentage of the fair market value of the common stock on the date of grant			100.00%
Employee and director options \| Maximum
Unvested awards
Term of stock option			10 years
Holder of at least 10% of common stock \| Incentive Stock Options \| Minimum
Unvested awards
Exercise price of stock option as a percentage of the fair market value of the common stock on the date of grant			110.00%

Equity Transactions - Acquisition (Details) $ in Millions	12 Months Ended
Equity Transactions - Acquisition (Details) $ in Millions	Sep. 30, 2018 USD ($) shares
Machinio
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of shares issued \| $	$ 4.7
Machinio \| Machinio Corporation 2014 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of shares issued \| $	$ 5.0
Restricted stock awards \| 2006 Omnibus Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	49,893
Restricted stock awards \| Machinio \| Machinio Corporation 2014 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	248,577
Restricted shares \| Machinio \| Machinio Corporation 2014 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	370,370
Options \| Machinio \| Machinio Corporation 2014 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	47,202
Executives \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	297,014

Equity Transactions - Employee Options (Details) - Employee and director options - $ / shares	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Stock option activity
Options outstanding at the beginning of the period (in shares)	1,704,973	1,708,487	1,472,643
Options granted (in shares)	671,644	232,845	583,228
Options assumed in business acquisition (in shares)	47,201
Options exercised (in shares)	(57,665)	(12,421)	(1,251)
Options cancelled (in shares)	(347,830)	(223,938)	(346,133)
Options outstanding at the end of the period (in shares)	2,018,323	1,704,973	1,708,487
Options exercisable at the end of the period (in shares)	1,060,958
Weighted-Average Exercise Price
Options outstanding at the beginning of the period (in dollars per share)	$ 13.43	$ 13.91	$ 17.46
Options granted (in dollars per share)	5.09	9.18	6.68
Options assumed in business acquisition (in dollars per share)	1.21
Options exercised (in dollars per share)	7.01	7.41	7.48
Options cancelled (in dollars per share)	13.82	13.00	16.99
Options outstanding at the end of the period (in dollars per share)	10.49	$ 13.43	$ 13.91
Options exercisable at the end of the period (in dollars per share)	$ 14.74

Equity Transactions - Options (Details)	12 Months Ended
Equity Transactions - Options (Details)	Sep. 30, 2018 $ / shares shares
Exercise price range one
Summary of information about stock options outstanding and exercisable
Exercise price, minimum (in dollars per share)	$ 0.99
Exercise price, maximum (in dollars per share)	$ 4.70
Options Outstanding
Number outstanding (in shares) \| shares	357,848
Weighted- Average Remaining Contractual Life (in years)	9 years 1 month 10 days
Weighted-Average Exercise Price (in dollars per share)	$ 4.07
Options Exercisable
Number exercisable (in shares) \| shares	6,121
Weighted- Average Remaining Contractual Life (in years)	8 years 3 months 25 days
Weighted-Average Exercise Price (in dollars per share)	$ 1.21
Exercise price range two
Summary of information about stock options outstanding and exercisable
Exercise price, minimum (in dollars per share)	4.71
Exercise price, maximum (in dollars per share)	$ 6.40
Options Outstanding
Number outstanding (in shares) \| shares	441,934
Weighted- Average Remaining Contractual Life (in years)	6 years 4 months 2 days
Weighted-Average Exercise Price (in dollars per share)	$ 5.61
Options Exercisable
Number exercisable (in shares) \| shares	224,234
Weighted- Average Remaining Contractual Life (in years)	7 years 3 months 18 days
Weighted-Average Exercise Price (in dollars per share)	$ 6.29
Exercise price range three
Summary of information about stock options outstanding and exercisable
Exercise price, minimum (in dollars per share)	6.41
Exercise price, maximum (in dollars per share)	$ 8.24
Options Outstanding
Number outstanding (in shares) \| shares	385,924
Weighted- Average Remaining Contractual Life (in years)	7 years 3 months 18 days
Weighted-Average Exercise Price (in dollars per share)	$ 6.98
Options Exercisable
Number exercisable (in shares) \| shares	135,138
Weighted- Average Remaining Contractual Life (in years)	6 years 1 month 17 days
Weighted-Average Exercise Price (in dollars per share)	$ 7.01
Exercise price range four
Summary of information about stock options outstanding and exercisable
Exercise price, minimum (in dollars per share)	8.25
Exercise price, maximum (in dollars per share)	$ 11.08
Options Outstanding
Number outstanding (in shares) \| shares	406,929
Weighted- Average Remaining Contractual Life (in years)	5 years 7 months 20 days
Weighted-Average Exercise Price (in dollars per share)	$ 9.52
Options Exercisable
Number exercisable (in shares) \| shares	270,402
Weighted- Average Remaining Contractual Life (in years)	5 years 2 months 26 days
Weighted-Average Exercise Price (in dollars per share)	$ 9.71
Exercise price range five
Summary of information about stock options outstanding and exercisable
Exercise price, minimum (in dollars per share)	11.09
Exercise price, maximum (in dollars per share)	$ 46.72
Options Outstanding
Number outstanding (in shares) \| shares	425,688
Weighted- Average Remaining Contractual Life (in years)	3 years 9 months 25 days
Weighted-Average Exercise Price (in dollars per share)	$ 25.04
Options Exercisable
Number exercisable (in shares) \| shares	425,063
Weighted- Average Remaining Contractual Life (in years)	3 years 9 months 25 days
Weighted-Average Exercise Price (in dollars per share)	$ 25.06

Equity Transactions - Fair Value (Details) - Employee and director options - USD ($) $ / shares in Units, shares in Millions	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Fair value assumptions
Dividend yield	0.00%	0.00%	0.00%
Expected volatility, minimum (as a percent)	50.76%	54.22%	51.50%
Expected volatility, maximum (as a percent)	58.59%	54.93%	58.60%
Risk free interest rate, minimum (as a percent)	0.47%	1.65%	0.50%
Risk free interest rate, maximum (as a percent)	2.72%	2.17%	1.50%
Expected term	3 years 9 months 18 days	3 years 9 months 18 days	4 years
Intrinsic value and weighted average remaining contractual life in years of outstanding and exercisable options
Intrinsic value of outstanding shares	$ 1,140,000
Intrinsic value of exercisable options	$ 50,000
Stock price (in dollars per share)	$ 6.35
Weighted average grant date fair value of options granted (in dollars per share)	$ 2.04	$ 3.58	$ 2.07
Intrinsic value of options exercised	$ 30,384	$ 24,032	$ 3,128
Service-based stock options expected to vest (in shares)	0.6

Equity Transactions - Restricted Shares (Details) - Restricted shares - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Restricted share activity
Unvested restricted shares at the beginning of the period (in shares)	2,190,431	2,661,245	2,367,187
Restricted shares granted (in shares)	1,282,401	849,352	1,504,655
Restricted shares vested (in shares)	(617,620)	(748,266)	(715,188)
Restricted shares cancelled (in shares)	(538,356)	(571,900)	(495,409)
Unvested restricted shares at the end of the period (in shares)	2,316,856	2,190,431	2,661,245
Weighted-Average Fair Value
Unvested restricted shares at the beginning of the period (in dollars per share)	$ 8.42	$ 9.34	$ 16.08
Granted (in dollars per share)	6.81	8.78	5.54
Restricted shares vested (in dollars per share)	9.22	11.04	16.09
Restricted shares cancelled (in dollars per share)	8.78	9.81	20.25
Unvested restricted shares at the end of the period (in dollars per share)	$ 7.23	$ 8.42	$ 9.34
Unvested awards
Intrinsic value of unvested restricted shares	$ 12.8
Weighted average remaining contractual life of unvested restricted shares	8 years 5 months 16 days
Stock price (in dollars per share)	$ 6.35
Service-based restricted stock options expected to vest (in shares)	1,000,000

Equity Transactions - Repurchase Program (Details) $ in Millions	12 Months Ended
	Sep. 30, 2018 USD ($) shares
Stockholders' Equity Note [Abstract]
Shares repurchased (in shares) \| shares	0
Remaining repurchase amount \| $	$ 10.1

Fair Value Measurement - Narrative (Details) $ in Millions	Sep. 30, 2018 USD ($)
Fair value measurement
Certificates of deposits	$ 20.0
Minimum
Fair value measurement
Interest rate	2.00%
Maximum
Fair value measurement
Interest rate	2.50%
Level 3 \| Machinio
Fair value measurement
Contingent consideration	$ 1.2

Fair Value Measurement - Changes in Level 3 Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Change in fair value of financial assets	$ (90)	$ 573	$ 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Change in fair value of financial liabilities	100
Recurring basis \| Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance, financial instruments	491	2,200
Acquisition of financial assets	0	2,662
Earn-out from business acquisition	1,200
Settlements	(401)	(4,944)
Change in fair value of financial assets	(90)	573
Ending balance, financial instruments	0	491	2,200
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance, contingent consideration	0	0
Ending balance, contingent consideration	$ 1,300	$ 0	$ 0

Defined Benefit Pension Plan - Narrative (Details)	12 Months Ended
Defined Benefit Pension Plan - Narrative (Details)	Sep. 30, 2018 USD ($) fund	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Information about plan assets
Actual (as a percent)	100.00%
Equity securities
Information about plan assets
Actual (as a percent)	45.70%
Defined benefit plan number of pooled funds \| fund	1
Percentage of UK company shares (as a percentage)	70.00%
Defined benefit plan pooled funds strategy percentage to be invested in international securities (as a percentage)	30.00%
Fixed-income securities
Information about plan assets
Actual (as a percent)	53.10%
Defined benefit plan number of pooled funds \| fund	1
Cash equivalents
Information about plan assets
Actual (as a percent)	1.20%
Defined benefit pension plan
Net periodic benefit cost recognized
Interest cost	$ 651,000	$ 582,000	$ 814,000
Expected return on plan assets	(986,000)	(826,000)	(1,066,000)
Total net periodic benefit	(335,000)	(244,000)	(252,000)
Change in benefit obligation
Beginning balance	25,085,000	26,321,000
Interest cost	651,000	582,000	814,000
Benefits paid	(2,297,000)	(718,000)
Actuarial loss/(gain)	(590,000)	(1,861,000)
Foreign currency exchange rate changes	(623,000)	761,000
Ending balance	22,226,000	25,085,000	26,321,000
Change in plan assets
Beginning balance at fair value	26,943,000	25,767,000
Actual return on plan assets	1,175,000	569,000
Benefits paid	(2,297,000)	(718,000)
Employer's contributions	0	552,000
Foreign currency exchange rate changes	(689,000)	773,000
Ending balance at fair value	25,132,000	26,943,000	25,767,000
Overfunded (underfunded) status of the Plan	2,906,000	1,859,000
Accumulated OCI
Accumulated Other Comprehensive (Income) Loss at beginning of year	(123,000)	1,226,000
Net actuarial gains	(773,000)	(1,589,000)
Foreign currency exchange rate changes	4,000	240,000
Accumulated Other Comprehensive (Income) Los at end of year	(892,000)	$ (123,000)	$ 1,226,000
Estimated amounts to be amortized from accumulated other comprehensive income (loss) into net periodic benefit cost
Estimated amounts to be amortized from accumulated other comprehensive income (loss) into net periodic benefit cost during next fiscal year	$ 0
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate (as a percentage)	2.90%	2.70%
Expected return on plan assets (as a percentage)	4.00%	3.80%
Increases to non-GMP pensions in payment accrued pre 4/6/97 (as a percentage)	0.00%	0.00%
Increases to non-GMP pensions in payment accrued post 4/6/97 (as a percentage)	2.20%	2.10%
Rate of increases to deferred CPI linked benefits (as a percentage)	2.20%	2.10%
Rate of increases to deferred RPI linked benefits (as a percentage)	3.30%	3.20%
Defined benefit plan long term rate of improvement (as a percentage)	1.50%
Expected benefit payments over the next 10 years
2019	$ 753,000
2020	770,000
2021	675,000
2022	726,000
2023	786,000
2024 through 2028	4,027,000
Total	$ 7,737,000
Defined benefit pension plan \| Males
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Defined benefit plan mortality rate (as a percentage)	100.00%
Defined benefit pension plan \| Females
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Defined benefit plan mortality rate (as a percentage)	105.00%

Defined Benefit Pension Plan - Fair Value Estimates (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Total
Defined benefit pension plan
Fair values	$ 25,132	$ 26,944
Level 1
Defined benefit pension plan
Fair values	296	371
Level 2
Defined benefit pension plan
Fair values	24,836	26,573
Level 3
Defined benefit pension plan
Fair values	0	0
Equity securities \| Total
Defined benefit pension plan
Fair values	11,489	11,778
Equity securities \| Level 1
Defined benefit pension plan
Fair values	0	0
Equity securities \| Level 2
Defined benefit pension plan
Fair values	11,489	11,778
Equity securities \| Level 3
Defined benefit pension plan
Fair values	0	0
Fixed-income securities \| Total
Defined benefit pension plan
Fair values	13,347	14,795
Fixed-income securities \| Level 1
Defined benefit pension plan
Fair values	0	0
Fixed-income securities \| Level 2
Defined benefit pension plan
Fair values	13,347	14,795
Fixed-income securities \| Level 3
Defined benefit pension plan
Fair values	0	0
Cash equivalents \| Total
Defined benefit pension plan
Fair values	296	371
Cash equivalents \| Level 1
Defined benefit pension plan
Fair values	296	371
Cash equivalents \| Level 2
Defined benefit pension plan
Fair values	0	0
Cash equivalents \| Level 3
Defined benefit pension plan
Fair values	$ 0	$ 0

Guarantees (Details) £ in Millions	Mar. 31, 2015 GBP (£)
Guarantees [Abstract]
Guarantee Obligation Value, maximum	£ 10

Business Realignment Expenses - Narrative (Details)		1 Months Ended		3 Months Ended	12 Months Ended
Business Realignment Expenses - Narrative (Details)	Sep. 25, 2017 USD ($)	Nov. 30, 2018 USD ($)	Jan. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Jun. 16, 2017 ft²
Business Disposition
Asset impairment					$ 0	$ 1,963,000	$ 18,998,000
Impairment of long-lived assets					0
Reversal of earn-out liability					(100,000)	954,000	0
Restructuring charges					1,942,000	4,223,000
Restructuring reserve				$ 3,180,000	1,376,000	3,180,000	0
Other Operating Expense
Business Disposition
Cease use charge						2,000,000
CAG
Business Disposition
Restructuring costs					1,700,000
IronDirect
Business Disposition
Asset impairment						900,000
Reversal of earn-out liability						900,000
TruckCenter \| Operating Expense
Business Disposition
Restructuring costs			$ 900,000
Contract Intangible \| IronDirect
Business Disposition
Impairment of contract intangible asset						1,200,000
Leasehold Improvements \| IronDirect
Business Disposition
Impairment of long-lived assets						600,000
Occupancy Cost
Business Disposition
Restructuring charges					491,000	2,616,000
Restructuring reserve				1,988,000	1,266,000	1,988,000	0
Occupancy Cost \| CAG
Business Disposition
Restructuring charges					739,000	0
Restructuring reserve				0	459,000	0	0
Occupancy Cost \| TruckCenter
Business Disposition
Restructuring costs			600,000
Employee Severance
Business Disposition
Restructuring charges					1,451,000	1,607,000
Restructuring reserve				1,192,000	110,000	1,192,000	0
Employee Severance \| CAG
Business Disposition
Restructuring costs				900,000	1,200,000
Restructuring charges					979,000	1,037,000
Restructuring reserve				793,000	89,000	793,000	0
Employee Severance \| CAG \| Severance Agreement
Business Disposition
Restructuring costs	$ 300,000
Employee Severance \| IronDirect
Business Disposition
Restructuring costs						100,000
Employee Severance \| TruckCenter
Business Disposition
Restructuring costs			200,000
Occupancy And Contract Costs \| IronDirect
Business Disposition
Restructuring costs					100,000
Long-Lived Asset Impairment \| TruckCenter
Business Disposition
Restructuring costs			$ 100,000
Legal and Administrative Costs \| CAG
Business Disposition
Restructuring costs				100,000
General and administrative
Business Disposition
Restructuring charges					600,000	3,700,000
Sales and marketing
Business Disposition
Restructuring charges					200,000	300,000
Technology and operations
Business Disposition
Restructuring charges					1,100,000	200,000
Office space \| Bethesda, Maryland
Business Disposition
Number of square feet \| ft²								18,412
Office space \| DISTRICT OF COLUMBIA \| Other Operating Expense
Business Disposition
Cease use charge					2,000,000	2,000,000
Decrease in cease use charge					300,000
Corporate & Other \| Occupancy Cost
Business Disposition
Restructuring charges					(248,000)	2,616,000
Restructuring reserve				1,988,000	807,000	1,988,000	0
Corporate & Other \| Employee Severance
Business Disposition
Restructuring costs					500,000
Restructuring charges					472,000	570,000
Restructuring reserve				$ 399,000	$ 21,000	$ 399,000	$ 0
Subsequent Event \| Office space \| DISTRICT OF COLUMBIA \| Other Operating Expense
Business Disposition
Cease use charge		$ 300,000

Business Realignment Expenses - Activity in Liability for Business Realignment Initiatives (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Business realignment expenses rollforward
Liability Balance, beginning	$ 3,180	$ 0
Business Realignment Expenses	1,942	4,223
Cash Payments	(3,746)	(1,043)
Liability Balance, ending	1,376	3,180
Employee severance and benefit costs
Business realignment expenses rollforward
Liability Balance, beginning	1,192	0
Business Realignment Expenses	1,451	1,607
Cash Payments	(2,533)	(415)
Liability Balance, ending	110	1,192
Occupancy and other costs
Business realignment expenses rollforward
Liability Balance, beginning	1,988	0
Business Realignment Expenses	491	2,616
Cash Payments	(1,213)	(628)
Liability Balance, ending	1,266	1,988
CAG \| Employee severance and benefit costs
Business realignment expenses rollforward
Liability Balance, beginning	793	0
Business Realignment Expenses	979	1,037
Cash Payments	(1,683)	(244)
Liability Balance, ending	89	793
CAG \| Occupancy and other costs
Business realignment expenses rollforward
Liability Balance, beginning	0	0
Business Realignment Expenses	739	0
Cash Payments	(280)	0
Liability Balance, ending	459	0
Corporate & Other \| Employee severance and benefit costs
Business realignment expenses rollforward
Liability Balance, beginning	399	0
Business Realignment Expenses	472	570
Cash Payments	(850)	(171)
Liability Balance, ending	21	399
Corporate & Other \| Occupancy and other costs
Business realignment expenses rollforward
Liability Balance, beginning	1,988	0
Business Realignment Expenses	(248)	2,616
Cash Payments	(933)	(628)
Liability Balance, ending	$ 807	$ 1,988

Legal Proceedings (Details) $ in Millions	Jun. 19, 2018 USD ($)
Loss Contingency, Information about Litigation Matters [Abstract]
Estimate of possible loss	$ 17

Segment Information - Narrative (Details) - reportablesegment	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Segment Reporting [Abstract]
Reportable segments (in segments)	5	5
Reportable segments percentage of revenue		98.00%

Segment Information - Schedule of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenue									$ 149,677	$ 188,570	$ 233,828
Fee revenue									74,837	81,445	82,626
Total revenue from operations	$ 52,705	$ 61,364	$ 50,569	$ 60,097	$ 61,143	$ 65,520	$ 72,335	$ 70,796	224,514	270,015	316,454
Gross profit	$ 24,857	$ 27,784	$ 27,144	$ 27,511	$ 30,200	$ 29,918	$ 32,811	$ 33,977	109,712	124,490	162,113
Depreciation and amortization									4,599	5,796	6,502
Other operating expenses									1,392	3,651	0
Operating Segments \| GovDeals
Segment Reporting Information [Line Items]
Revenue									0	0	0
Fee revenue									30,214	26,853	22,802
Total revenue from operations									30,214	26,853	22,802
Gross profit									27,990	25,172	21,422
Depreciation and amortization									240	245	241
Other operating expenses									(32)	0	0
Operating Segments \| CAG
Segment Reporting Information [Line Items]
Revenue									57,717	100,160	140,210
Fee revenue									30,308	44,971	51,555
Total revenue from operations									88,025	145,131	191,765
Gross profit									48,873	71,934	109,373
Depreciation and amortization									269	1,222	1,837
Other operating expenses									1,143	465	0
Operating Segments \| RSCG
Segment Reporting Information [Line Items]
Revenue									88,295	85,766	88,986
Fee revenue									13,659	9,265	5,232
Total revenue from operations									101,954	95,032	94,218
Gross profit									33,009	30,050	29,903
Depreciation and amortization									1,304	1,134	974
Other operating expenses									4	0	0
Operating Segments \| Machinio
Segment Reporting Information [Line Items]
Revenue									0	0	0
Fee revenue										0	0
Total revenue from operations									653	0	0
Gross profit									501	0	0
Depreciation and amortization									366	0	0
Other operating expenses									0	0	0
Corporate & Other
Segment Reporting Information [Line Items]
Revenue									3,665	2,644	4,632
Fee revenue									3	356	3,037
Total revenue from operations									3,668	2,999	7,669
Gross profit									(661)	(2,666)	1,415
Depreciation and amortization									2,420	3,195	3,449
Other operating expenses									$ 277	$ 3,187	$ 0

Segment Information - Reconciliation from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting [Abstract]
Gross profit	$ 24,857	$ 27,784	$ 27,144	$ 27,511	$ 30,200	$ 29,918	$ 32,811	$ 33,977	$ 109,712	$ 124,490	$ 162,113
Operating expenses									129,713	160,839	196,231
Other operating expenses									1,392	3,651	0
Interest (income) expense and other expense, net									(450)	(362)	(1,217)
(Benefit) provision for income taxes									(9,328)	(451)	27,025
Net loss	$ (1,043)	$ (13,924)	$ (3,705)	$ (5,655)	$ (1,212)	$ (8,614)	$ (8,252)	$ (8,397)	$ (11,615)	$ (39,187)	$ (59,926)

Segment Information - Schedule of Revenues by Country (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Total revenue	$ 52,705	$ 61,364	$ 50,569	$ 60,097	$ 61,143	$ 65,520	$ 72,335	$ 70,796	$ 224,514	$ 270,015	$ 316,454
United States
Segment Reporting Information [Line Items]
Total revenue									193,240	240,102	281,328
Rest of the world
Segment Reporting Information [Line Items]
Total revenue									$ 31,274	$ 29,913	$ 35,126

Segment Information - Schedule of Total Segment Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Assets	$ 201,832	$ 215,229
Operating Segments \| GovDeals
Segment Reporting Information [Line Items]
Assets	47,632	43,262
Operating Segments \| CAG
Segment Reporting Information [Line Items]
Assets	100,145	115,514
Operating Segments \| RSCG
Segment Reporting Information [Line Items]
Assets	19,248	39,766
Operating Segments \| Machinio
Segment Reporting Information [Line Items]
Assets	23,306	0
Corporate & Other
Segment Reporting Information [Line Items]
Assets	$ 11,501	$ 16,687

Segment Information - Schedule of Total Long-Lived Assets by Geographical Location (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Long-lived assets	$ 16,610	$ 16,793
United States
Segment Reporting Information [Line Items]
Long-lived assets	16,367	16,142
Rest of the world
Segment Reporting Information [Line Items]
Long-lived assets	$ 243	$ 651

Segment Information - Property and Equipment, Additions by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Property, plant and equipment additions	$ 5,796	$ 7,805
Operating Segments \| GovDeals
Segment Reporting Information [Line Items]
Property, plant and equipment additions	402	223
Operating Segments \| CAG
Segment Reporting Information [Line Items]
Property, plant and equipment additions	106	938
Operating Segments \| RSCG
Segment Reporting Information [Line Items]
Property, plant and equipment additions	1,450	733
Operating Segments \| Machinio
Segment Reporting Information [Line Items]
Property, plant and equipment additions	20	0
Corporate & Other
Segment Reporting Information [Line Items]
Property, plant and equipment additions	$ 3,818	$ 5,911

Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Unaudited quarterly consolidated statement of operations
Revenue from operations	$ 52,705	$ 61,364	$ 50,569	$ 60,097	$ 61,143	$ 65,520	$ 72,335	$ 70,796	$ 224,514	$ 270,015	$ 316,454
Gross profit	24,857	27,784	27,144	27,511	30,200	29,918	32,811	33,977	109,712	124,490	162,113
Loss before provision for income taxes from operations	(6,547)	(14,466)	(3,093)	(5,276)	(6,027)	(8,573)	(8,305)	(8,294)	(20,943)	(39,638)	(32,901)
Net loss	$ (1,043)	$ (13,924)	$ (3,705)	$ (5,655)	$ (1,212)	$ (8,614)	$ (8,252)	$ (8,397)	$ (11,615)	$ (39,187)	$ (59,926)
Unaudited quarterly consolidated statement of operations
Basic and diluted loss per common share (USD per share)	$ (0.03)	$ (0.44)	$ (0.12)	$ (0.18)	$ (0.04)	$ (0.27)	$ (0.26)	$ (0.27)	$ (0.36)	$ (1.25)	$ (1.96)
Basic and diluted weighted average shares outstanding (in shares)	32,425,669	31,503,349	32,104,368	31,972,752	31,876,603	31,485,599	31,361,122	31,261,603	32,095,491	31,402,921	30,638,163

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Deferred tax valuation allowance (deducted from net deferred tax assets)
Activity in valuation and qualifying accounts
Balance at beginning of period	$ 54,379	$ 44,257	$ 8,474
Charged (credited) to expense	(15,042)	10,122	35,783
Balance at end of period	39,337	54,379	44,257
Allowance for doubtful accounts (deducted from accounts receivable)
Activity in valuation and qualifying accounts
Balance at beginning of period	668	718	471
Charged (credited) to expense	199	357	247
Reductions	(530)	(407)	0
Balance at end of period	337	668	718
Inventory allowance (deducted from inventory)
Activity in valuation and qualifying accounts
Balance at beginning of period	4,572	3,446	770
Charged (credited) to expense	2,494	10,381	2,709
Reductions	(6,563)	(9,255)	(33)
Balance at end of period	$ 503	$ 4,572	$ 3,446