Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	$ 1,190
Amortization	(176)	$ (200)
Total net amortized intangible assets	1,014
Total net intangible assets	3,627
Total net intangible assets	3,451
NLEX [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets	2,437		$ 2,437
Customer Network [Member] | HGP [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	114
Amortization	(17)
Total net amortized intangible assets	97
HGP Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	746
Amortization	(77)
Total net amortized intangible assets	669
Customer Relationships [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	330
Amortization	(82)
Total net amortized intangible assets	$ 248