| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.5.0.2 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 243 </ContextCount> |
| <ElementCount> 399 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> false </FootnotesReported> |
| <SegmentCount> 66 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 13 </UnitCount> |
| <MyReports> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 00090 - Document - Document and Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DocumentDocumentAndEntityInformation </Role> |
| | | <ShortName> Document and Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 00100 - Statement - Consolidated Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedBalanceSheets </Role> |
| | | <ShortName> Consolidated Balance Sheets </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 00105 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedBalanceSheetsParenthetical </Role> |
| | | <ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 00200 - Statement - Consolidated Statements of Operations </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedStatementsOfOperations </Role> |
| | | <ShortName> Consolidated Statements of Operations </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 00300 - Statement - Consolidated Statements of Comprehensive (Loss) Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedStatementsOfComprehensiveLossIncome </Role> |
| | | <ShortName> Consolidated Statements of Comprehensive (Loss) Income </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 00400 - Statement - Consolidated Statements of Changes in Stockholders' Equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedStatementsOfChangesInStockholdersEquity </Role> |
| | | <ShortName> Consolidated Statements of Changes in Stockholders' Equity </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 00500 - Statement - Consolidated Statements of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/StatementConsolidatedStatementsOfCashFlows </Role> |
| | | <ShortName> Consolidated Statements of Cash Flows </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 10101 - Disclosure - Organization </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureOrganization </Role> |
| | | <ShortName> Organization </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 10201 - Disclosure - Summary of Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 10301 - Disclosure - Significant Contracts </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSignificantContracts </Role> |
| | | <ShortName> Significant Contracts </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 10401 - Disclosure - National Electronic Service Association (NESA) Acquisition </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureNationalElectronicServiceAssociationNesaAcquisition </Role> |
| | | <ShortName> National Electronic Service Association (NESA) Acquisition </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 10501 - Disclosure - Property and Equipment </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosurePropertyAndEquipment </Role> |
| | | <ShortName> Property and Equipment </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 10601 - Disclosure - Goodwill </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureGoodwill </Role> |
| | | <ShortName> Goodwill </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 10701 - Disclosure - Intangible Assets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssets </Role> |
| | | <ShortName> Intangible Assets </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 10801 - Disclosure - Debt </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDebt </Role> |
| | | <ShortName> Debt </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 10901 - Disclosure - Commitments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureCommitments </Role> |
| | | <ShortName> Commitments </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 11001 - Disclosure - 401(k) Benefit Plan </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/Disclosure401KBenefitPlan </Role> |
| | | <ShortName> 401(k) Benefit Plan </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 11101 - Disclosure - Income Taxes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxes </Role> |
| | | <ShortName> Income Taxes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 11201 - Disclosure - Equity Transactions </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactions </Role> |
| | | <ShortName> Equity Transactions </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 11301 - Disclosure - Fair Value Measurement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureFairValueMeasurement </Role> |
| | | <ShortName> Fair Value Measurement </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 11401 - Disclosure - Defined Benefit Pension Plan </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlan </Role> |
| | | <ShortName> Defined Benefit Pension Plan </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 11501 - Disclosure - Guarantees </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureGuarantees </Role> |
| | | <ShortName> Guarantees </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 11601 - Disclosure - Business Realignment Expenses </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessRealignmentExpenses </Role> |
| | | <ShortName> Business Realignment Expenses </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 11701 - Disclosure - Termination of the Wal-Mart Agreement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureTerminationOfWalMartAgreement </Role> |
| | | <ShortName> Termination of the Wal-Mart Agreement </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 11801 - Disclosure - Business Disposition </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessDisposition </Role> |
| | | <ShortName> Business Disposition </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 11901 - Disclosure - Legal Proceedings </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureLegalProceedings </Role> |
| | | <ShortName> Legal Proceedings </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 12001 - Disclosure - Quarterly Results (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureQuarterlyResultsUnaudited </Role> |
| | | <ShortName> Quarterly Results (Unaudited) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 12101 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureScheduleIiValuationAndQualifyingAccounts </Role> |
| | | <ShortName> SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 20202 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 30203 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 30503 - Disclosure - Property and Equipment (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosurePropertyAndEquipmentTables </Role> |
| | | <ShortName> Property and Equipment (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosurePropertyAndEquipment </ParentRole> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 30603 - Disclosure - Goodwill (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureGoodwillTables </Role> |
| | | <ShortName> Goodwill (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureGoodwill </ParentRole> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 30703 - Disclosure - Intangible Assets (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssetsTables </Role> |
| | | <ShortName> Intangible Assets (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssets </ParentRole> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 30903 - Disclosure - Commitments (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureCommitmentsTables </Role> |
| | | <ShortName> Commitments (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureCommitments </ParentRole> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 31103 - Disclosure - Income Taxes (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxesTables </Role> |
| | | <ShortName> Income Taxes (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxes </ParentRole> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 31203 - Disclosure - Equity Transactions (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsTables </Role> |
| | | <ShortName> Equity Transactions (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactions </ParentRole> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 31403 - Disclosure - Defined Benefit Pension Plan (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlanTables </Role> |
| | | <ShortName> Defined Benefit Pension Plan (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlan </ParentRole> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 31603 - Disclosure - Business Realignment Expenses (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessRealignmentExpensesTables </Role> |
| | | <ShortName> Business Realignment Expenses (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureBusinessRealignmentExpenses </ParentRole> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 31803 - Disclosure - Business Disposition (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessDispositionTables </Role> |
| | | <ShortName> Business Disposition (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureBusinessDisposition </ParentRole> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 32003 - Disclosure - Quarterly Results (Unaudited) (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureQuarterlyResultsUnauditedTables </Role> |
| | | <ShortName> Quarterly Results (Unaudited) (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureQuarterlyResultsUnaudited </ParentRole> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 40101 - Disclosure - Organization (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureOrganizationDetails </Role> |
| | | <ShortName> Organization (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureOrganization </ParentRole> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 40201 - Disclosure - Summary of Significant Accounting Policies - Inventory (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesInventoryDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Inventory (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 40202 - Disclosure - Summary of Significant Accounting Policies - PP&E (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPpEDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - PP&E (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 40203 - Disclosure - Summary of Significant Accounting Policies - Intangible Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Intangible Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 40204 - Disclosure - Summary of Significant Accounting Policies - Concentration (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesConcentrationDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Concentration (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 40205 - Disclosure - Summary of Significant Accounting Policies - Income Taxes (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesIncomeTaxesDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Income Taxes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 40206 - Disclosure - Summary of Significant Accounting Policies - Advertising Costs and AOCI (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingCostsAndAociDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Advertising Costs and AOCI (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 40207 - Disclosure - Summary of Significant Accounting Policies - Earnings Per Share (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesEarningsPerShareDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Earnings Per Share (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 40208 - Disclosure - Summary of Significant Accounting Policies - Weighted Average Shares (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSummaryOfSignificantAccountingPoliciesWeightedAverageSharesDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Weighted Average Shares (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 40301 - Disclosure - Significant Contracts (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureSignificantContractsDetails </Role> |
| | | <ShortName> Significant Contracts (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureSignificantContracts </ParentRole> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 40401 - Disclosure - National Electronic Service Association (NESA) Acquisition (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureNationalElectronicServiceAssociationNesaAcquisitionDetails </Role> |
| | | <ShortName> National Electronic Service Association (NESA) Acquisition (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureNationalElectronicServiceAssociationNesaAcquisition </ParentRole> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 40501 - Disclosure - Property and Equipment (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosurePropertyAndEquipmentDetails </Role> |
| | | <ShortName> Property and Equipment (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosurePropertyAndEquipmentTables </ParentRole> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 40601 - Disclosure - Goodwill (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureGoodwillDetails </Role> |
| | | <ShortName> Goodwill (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureGoodwillTables </ParentRole> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 40701 - Disclosure - Intangible Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssetsDetails </Role> |
| | | <ShortName> Intangible Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssetsTables </ParentRole> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 40702 - Disclosure - Intangible Assets - Future Amortization (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIntangibleAssetsFutureAmortizationDetails </Role> |
| | | <ShortName> Intangible Assets - Future Amortization (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 40801 - Disclosure - Debt (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDebtDetails </Role> |
| | | <ShortName> Debt (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureDebt </ParentRole> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 40901 - Disclosure - Commitments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureCommitmentsDetails </Role> |
| | | <ShortName> Commitments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureCommitmentsTables </ParentRole> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 41001 - Disclosure - 401(k) Benefit Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/Disclosure401KBenefitPlanDetails </Role> |
| | | <ShortName> 401(k) Benefit Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/Disclosure401KBenefitPlan </ParentRole> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 41101 - Disclosure - Income Taxes - Provision (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxesProvisionDetails </Role> |
| | | <ShortName> Income Taxes - Provision (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 41102 - Disclosure - Income Taxes - Deferred Tax Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxesDeferredTaxAssetsDetails </Role> |
| | | <ShortName> Income Taxes - Deferred Tax Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 41103 - Disclosure - Income Taxes - Reconciliation (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxesReconciliationDetails </Role> |
| | | <ShortName> Income Taxes - Reconciliation (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R62.htm </HtmlFileName> |
| | | <LongName> 41104 - Disclosure - Income Taxes - CarryForwards (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureIncomeTaxesCarryforwardsDetails </Role> |
| | | <ShortName> Income Taxes - CarryForwards (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 62 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R63.htm </HtmlFileName> |
| | | <LongName> 41201 - Disclosure - Equity Transactions - 2006 Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactions2006PlanDetails </Role> |
| | | <ShortName> Equity Transactions - 2006 Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 63 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R64.htm </HtmlFileName> |
| | | <LongName> 41202 - Disclosure - Equity Transactions - Repurchase Program (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsRepurchaseProgramDetails </Role> |
| | | <ShortName> Equity Transactions - Repurchase Program (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 64 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R65.htm </HtmlFileName> |
| | | <LongName> 41203 - Disclosure - Equity Transactions - Employee Options (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsEmployeeOptionsDetails </Role> |
| | | <ShortName> Equity Transactions - Employee Options (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 65 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R66.htm </HtmlFileName> |
| | | <LongName> 41204 - Disclosure - Equity Transactions - Options (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsOptionsDetails </Role> |
| | | <ShortName> Equity Transactions - Options (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 66 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R67.htm </HtmlFileName> |
| | | <LongName> 41205 - Disclosure - Equity Transactions - Fair Value (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsFairValueDetails </Role> |
| | | <ShortName> Equity Transactions - Fair Value (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 67 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R68.htm </HtmlFileName> |
| | | <LongName> 41206 - Disclosure - Equity Transactions - Restricted Shares (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureEquityTransactionsRestrictedSharesDetails </Role> |
| | | <ShortName> Equity Transactions - Restricted Shares (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 68 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R69.htm </HtmlFileName> |
| | | <LongName> 41301 - Disclosure - Fair Value Measurement (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureFairValueMeasurementDetails </Role> |
| | | <ShortName> Fair Value Measurement (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureFairValueMeasurement </ParentRole> |
| | | <Position> 69 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R70.htm </HtmlFileName> |
| | | <LongName> 41401 - Disclosure - Defined Benefit Pension Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlanDetails </Role> |
| | | <ShortName> Defined Benefit Pension Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlanTables </ParentRole> |
| | | <Position> 70 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R71.htm </HtmlFileName> |
| | | <LongName> 41402 - Disclosure - Defined Benefit Pension Plan - Fair Value Estimates (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureDefinedBenefitPensionPlanFairValueEstimatesDetails </Role> |
| | | <ShortName> Defined Benefit Pension Plan - Fair Value Estimates (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 71 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R72.htm </HtmlFileName> |
| | | <LongName> 41501 - Disclosure - Guarantees (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureGuaranteesDetails </Role> |
| | | <ShortName> Guarantees (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureGuarantees </ParentRole> |
| | | <Position> 72 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R73.htm </HtmlFileName> |
| | | <LongName> 41601 - Disclosure - Business Realignment Expenses (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessRealignmentExpensesDetails </Role> |
| | | <ShortName> Business Realignment Expenses (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureBusinessRealignmentExpensesTables </ParentRole> |
| | | <Position> 73 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R74.htm </HtmlFileName> |
| | | <LongName> 41701 - Disclosure - Termination of Wal Mart Agreement (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureTerminationOfWalMartAgreementDetails </Role> |
| | | <ShortName> Termination of Wal Mart Agreement (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 74 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R75.htm </HtmlFileName> |
| | | <LongName> 41801 - Disclosure - Business Disposition (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureBusinessDispositionDetails </Role> |
| | | <ShortName> Business Disposition (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureBusinessDispositionTables </ParentRole> |
| | | <Position> 75 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R76.htm </HtmlFileName> |
| | | <LongName> 41901 - Disclosure - Legal Proceedings (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureLegalProceedingsDetails </Role> |
| | | <ShortName> Legal Proceedings (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureLegalProceedings </ParentRole> |
| | | <Position> 76 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R77.htm </HtmlFileName> |
| | | <LongName> 42001 - Disclosure - Quarterly Results (Unaudited) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureQuarterlyResultsUnauditedDetails </Role> |
| | | <ShortName> Quarterly Results (Unaudited) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureQuarterlyResultsUnauditedTables </ParentRole> |
| | | <Position> 77 </Position> |
| | | </Report> |
| | <Report instance="lqdt-20160930.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R78.htm </HtmlFileName> |
| | | <LongName> 42101 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.liquidityservicesinc.com/role/DisclosureScheduleIiValuationAndQualifyingAccountsDetails </Role> |
| | | <ShortName> SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.liquidityservicesinc.com/role/DisclosureScheduleIiValuationAndQualifyingAccounts </ParentRole> |
| | | <Position> 78 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> lqdt-20160930.xml </File> |
| | <File> lqdt-20160930.xsd </File> |
| | <File> lqdt-20160930_cal.xml </File> |
| | <File> lqdt-20160930_def.xml </File> |
| | <File> lqdt-20160930_lab.xml </File> |
| | <File> lqdt-20160930_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |