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Related Party Transactions (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
Schedule of Services Relating to Operations Paid to Related Party [Table Text Block] |
|  | Nine months ended |
Item |  | September 30, |
|  | 2013 |  |  | 2012 |
Management fees | $ | 270 |  | $ | 270 |
Other charges |  | 55 |  |  | 56 |
Total | $ | 325 |  | $ | 326 |
Schedule of Lease Amounts Paid to Related Parties [Table Text Block] |
|  | Nine months ended |
Leased premises location |  | September 30, |
|  | 2013 |  |  | 2012 |
White Plains, NY | $ | 66 |  | $ | 95 |
Los Angeles, CA |  | 12 |  |  | 19 |
Foster City, CA |  | 171 |  |  | 92 |
Total | $ | 249 |  | $ | 206 |

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- Definition Tabular disclosure of lease amounts paid to related parties during the period. + References No definition available. + Details
Name: | hgbl_ScheduleOfLeaseAmountsPaidToRelatedPartiesTableTextBlock
Namespace Prefix: | hgbl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of services relating to operations and paid to a related party during the period. + References No definition available. + Details
Name: | hgbl_ScheduleOfServicesRelatingToOperationsPaidToRelatedPartyTableTextBlock
Namespace Prefix: | hgbl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration