Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	$ 686	$ 955
Intangible assets acquired	1,800	0
Total net amortized intangible assets	2,128	686	$ 955
Amortization	(358)	(269)
Intangible assets acquired	1,800	0
Total net intangible assets	4,565	3,123	3,392
NLEX [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets	2,437	$ 2,437	$ 2,437
ALT [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		20 years
Finite-Lived intangible assets, remaining amortization period		19 years 8 months 12 days
Intangible assets acquired	650
Total net amortized intangible assets	639
Amortization	(11)
Customer Relationships [Member] | HGP [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		12 years	12 years
Finite-Lived intangible assets, remaining amortization period		1 year	2 years
Total net amortized intangible assets	62	$ 92
Total net amortized intangible assets	30	62	$ 92
Amortization	(32)	$ (30)
Customer Relationships [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		7 years 7 months 6 days	7 years 7 months 6 days
Finite-Lived intangible assets, remaining amortization period			1 year
Total net amortized intangible assets	111	$ 221
Intangible assets acquired		0
Total net amortized intangible assets		111	$ 221
Amortization	(110)	$ 110
HGP Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		14 years	14 years
Finite-Lived intangible assets, remaining amortization period		3 years	4 years
Total net amortized intangible assets	513	$ 642
Total net amortized intangible assets	386	513	$ 642
Amortization	$ (128)	$ (129)
Vendor Relationships [Member] | ALT [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		5 years
Finite-Lived intangible assets, remaining amortization period	5 years	4 years 8 months 12 days
Intangible assets acquired	$ 1,150
Total net amortized intangible assets	1,073
Amortization	$ (77)