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