Debt (Narrative) (Details) - USD ($) $ in Thousands			6 Months Ended
	May 26, 2023	Aug. 23, 2021	Jun. 30, 2023	May 05, 2021
Debt Instrument [Line Items]
Line of credit facility average outstanding			$ 5,000
Heritage Global LLC [Member]
Debt Instrument [Line Items]
Line of credit		$ 2,000
Debt instrument, Maturity date		Aug. 23, 2025
Interest rate per annum		3.00%
Litigation settlement installments amount due		$ 44,000
Debt outstanding amount			1,200
Wall Street Journal prime rate [Member]
Debt Instrument [Line Items]
Interest rate per annum	1.00%
Wall Street Journal prime rate [Member] | Heritage Global LLC [Member]
Debt Instrument [Line Items]
Interest rate per annum	0.25%
C3bank [Member]
Debt Instrument [Line Items]
Line of credit				$ 10,000
C3bank [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate per annum	6.75%
C3bank [Member] | Wall Street Journal prime rate [Member]
Debt Instrument [Line Items]
Line of credit	$ 7,000
Debt outstanding amount			6,900
Line of credit facility current portion			1,200
Line of credit facility non - current portion			$ 5,700