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| | | <ShortName> Segment Information - Property and Equipment, Additions by Segment (Details) </ShortName> |
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| | | <ReportType> Sheet </ReportType> |
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| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
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| | </MyReports> |
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| | <File> lqdt-20170930.xsd </File> |
| | <File> lqdt-20170930_cal.xml </File> |
| | <File> lqdt-20170930_def.xml </File> |
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| | <File> lqdt-20170930_pre.xml </File> |
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