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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2017
Related Party Transactions [Abstract] |
Schedule of Lease Amounts Paid to Related Parties | The lease amounts paid by the Company to the related parties, which are included in selling, general and administrative expenses during the year ended December 31, 2017 and 2016, are detailed below (in thousands):
|  | Year ended December 31, |
Leased premises location |  | 2017 |  |  | 2016 |
Foster City, CA |  | $ | — |  |  | $ | 76 |
Edwardsville, IL |  |  | 100 |  |  |  | 99 |
Total |  | $ | 100 |  |  | $ | 175 |

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- Definition Tabular disclosure of lease amounts paid to related parties during the period. + References No definition available. + Details
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Namespace Prefix: | hgbl_
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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