Debt (Narrative) (Details)		1 Months Ended			12 Months Ended
	Feb. 10, 2020 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jan. 31, 2018 USD ($) Installment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 30, 2018 USD ($)	Dec. 31, 2017
Heritage Global LLC [Member]
Debt Instrument [Line Items]
Litigation settlement, amount paid behalf of subsidiary				$ 1,260,000
Number of installments | Installment				36
Litigation settlement installments amount due							$ 35,000
Remaining outstanding debt balance payable date				Jan. 30, 2021
Interest rate on promissory note								6.50%
Percentage of default interest amount					12.00%
Description of event of default					An “Event of Default” means: (a) any failure of HG LLC to pay when due any amount thereunder, when and as due, (b) any failure on the part of HG LLC to pay upon 54 Finance’s demand any fees, costs, expenses or other charges hereunder or otherwise due to HG LLC under the Note or the Guaranty, (c) any breach, failure or default under the Guaranty, (d) HG LLC or HGI repudiates or revokes, or purports to repudiate or revoke, any obligation under the Note or the Guaranty, or the obligation of HGI under the Guaranty is limited or terminated by operation of law or by HGI, or (e) HG LLC or HGI are insolvent or admit in writing its inability to pay debts as they mature, or make a general assignment for the benefit of its creditors, or institute any bankruptcy, insolvency or similar proceeding under the laws of any jurisdiction, or take any action to authorize such proceeding.
Debt instrument, periodic payment					$ 455,000
Outstanding note balance					0
First Choice Bank [Member] | Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit			$ 1,500,000		$ 0	$ 0
Debt instrument, Maturity date		Apr. 05, 2020			Oct. 05, 2019
Interest rate per annum		5.50%
Line of credit aggregate borrowing capacity		$ 3,000,000
Line of credit, repayment					$ 5,600,000	2,100,000
Line of credit, drawn amount					$ 5,600,000	$ 1,300,000
First Choice Bank [Member] | Revolving Line of Credit [Member] | Minimum [Member]
Debt Instrument [Line Items]
Monthly interest payment			$ 100.00
First Choice Bank [Member] | Revolving Line of Credit [Member] | Wall Street Journal prime rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate per annum			5.25%
C3bank [Member]
Debt Instrument [Line Items]
Line of credit	$ 5,000,000
Debt instrument, Maturity date	Apr. 05, 2021
Interest rate per annum	5.50%