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Stockholders' Equity - Schedule of Heritage Global Inc. 2022 Stock Option Plan (Details) - shares |  | 12 Months Ended
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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 outstanding, end of year |  | 2,027,350 | 2,193,288
2022 Stock Option Plan [Member] |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Options outstanding, beginning of year |  | 0 |
Restricted Stock Options granted with a vesting term |  | 144,500 |
Options outstanding, end of year |  | 144,500 | 0

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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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