Stockholders' Equity - Schedule of Heritage Global Inc. 2022 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 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