Debt (Narrative) (Details)	1 Months Ended			12 Months Ended
	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jan. 31, 2018 USD ($) Installment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2016 USD ($)	Jan. 30, 2018 USD ($)	Dec. 31, 2017
Revolving Line of Credit [Member] | First Choice Bank [Member]
Debt Instrument [Line Items]
Line of credit aggregate borrowing capacity	$ 3,000,000
Line of credit		$ 1,500,000		$ 0
Interest rate per annum	5.50%
Debt instrument, Maturity date	Apr. 05, 2020			Oct. 05, 2019
Frequency of payment				monthly payments
Line of credit, repayment				$ 2,100,000
Line of credit, drawn amount				$ 1,300,000
Revolving Line of Credit [Member] | First Choice Bank [Member] | Minimum [Member]
Debt Instrument [Line Items]
Monthly interest payment		$ 100.00
Revolving Line of Credit [Member] | Wall Street Journal prime rate [Member] | First Choice Bank [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate per annum		5.25%
Affiliated Entity [Member] | Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit aggregate borrowing capacity						$ 1,500,000
Interest rate description				Aggregate loans under the Line of Credit up to $1.0 million incurred interest at a variable rate per annum based on the rate charged to the Entity by its bank, plus 2.0%. Amounts outstanding at any time in excess of $1.0 million incurred interest at a rate of 8.0% per annum.
Line of credit, annual commitment fee						15,000
Line of credit, commitment fee payment description				monthly basis
Maturity description				The Line of Credit matured at the earlier of (i) three years from the date of the Agreement, (ii) the termination of the Entity’s line of credit with its bank, or (iii) forty-five (45) days following the date the Company closes a new credit facility with a financial institution.
Expense incurred based on profit share provision for principle and guarantee transaction					$ 179,000
Affiliated Entity [Member] | Revolving Line of Credit [Member] | Bank Plus 2.0% [Member]
Debt Instrument [Line Items]
Line of credit						$ 1,000,000
Interest rate per annum						2.00%
Affiliated Entity [Member] | Revolving Line of Credit [Member] | 8.0% Interest Rate [Member]
Debt Instrument [Line Items]
Line of credit						$ 1,000,000
Related party loan, Interest rate						8.00%
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				$ 420,000
Outstanding note balance				$ 438,000