XML 37 R24.htm IDEA: XBRL DOCUMENT
v3.19.1

Equity Method Investments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Equity Method Investments And Joint Ventures [Abstract] |
Schedule of Revenues and Operating Loss |
|  | 2018 |  |  | 2017 |
Revenues |  | $ | — |  |  | $ | — |
Operating loss |  | $ | (115 | ) |  | $ | — |
Schedule of the Components of Assets and Liabilities |
|  | 2018 |  |  | 2017 |
Assets |  | $ | 11,064 |  |  | $ | — |
Liabilities |  | $ | 168 |  |  | $ | — |

X
- Definition Schedule of revenues and operating income earned for joint ventures activities. + References No definition available. + Details
Name: | hgbl_ScheduleOfRevenuesAndOperatingIncomeEarnedForJointVenturesActivitiesTableTextBlock
Namespace Prefix: | hgbl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition ScheduleOfComponentsOfAssetsAndLiabilitiesFromJointVentureInvestmentsTableTextBlock + References No definition available. + Details
Name: | hgbl_ScheduleofcomponentsofassetsandliabilitiesfromjointventureinvestmentsTableTextBlock
Namespace Prefix: | hgbl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration