The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt (Narrative) (Details) - USD ($)			6 Months Ended
Debt (Narrative) (Details) - USD ($)	Aug. 23, 2021	May 05, 2021	Jun. 30, 2022
Heritage Global LLC [Member]
Debt Instrument [Line Items]
Line of credit	$ 2,000,000.0
Debt instrument, Maturity date	Aug. 23, 2025
Interest rate per annum	3.00%
Litigation settlement installments amount due	$ 44,000
Debt outstanding amount			$ 1,600,000
Wall Street Journal prime rate [Member] \| Heritage Global LLC [Member]
Debt Instrument [Line Items]
Interest rate per annum		1.70%
C3bank [Member]
Debt Instrument [Line Items]
Line of credit		$ 10,000,000.0	$ 1,400,000
Debt instrument, Maturity date		May 07, 2023
Convert From Revolving Debt To Term Debt		$ 5,000,000.0
C3bank [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate per annum		4.95%