Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	$ 686
Intangible assets acquired	1,020
Amortization	(218)	$ (200)
Total net amortized intangible assets	1,488
Unamortized intangible assets	2,777		$ 2,437
Intangible assets acquired	340
Total net intangible assets	3,123
Intangible	1,020
Total net intangible assets	4,265
NLEX [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets	2,437		$ 2,437
ALT [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets	340
Intangible assets acquired	340
HGP Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	513
Amortization	(95)
Total net amortized intangible assets	418
Customer Relationships | H G P
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	62
Amortization	(24)
Total net amortized intangible assets	38
Customer Relationships | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	111
Amortization	(82)
Total net amortized intangible assets	29
Customer Relationships | ALT [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Intangible assets acquired	1,020
Amortization	(17)
Total net amortized intangible assets	$ 1,003