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Stockholders' Equity - Schedule of Heritage Global Inc. 2016 Stock Option Plan (Details) - shares |  | 12 Months Ended
--- | --- | ---
Apr. 08, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Options outstanding, beginning of year |  | 2,193,288 | 3,516,225
Restricted Stock Options granted with a vesting term | 25,000 | 279,500 | 722,500
Options exercised |  | (339,125) | (1,895,437)
Options forfeited |  | (106,313) | (150,000)
Options outstanding, end of year |  | 2,027,350 | 2,193,288
2016 Stock Option Plan [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Options outstanding, beginning of year |  | 1,457,663 | 2,071,850
Restricted Stock Options granted with a vesting term |  | 35,000 | 522,500
Options exercised |  | (170,375) | (1,079,187)
Options forfeited |  | (66,313) | (57,500)
Options outstanding, end of year |  | 1,255,975 | 1,457,663

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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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