Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	$ 1,685
Amortization	(184)	$ (200)
Total net amortized intangible assets	1,501
Total net intangible assets	4,122
Total net intangible assets	3,938
NLEX [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets	2,437
Unamortized intangible assets	2,437
Customer Network [Member] | HGP [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	158
Amortization	(17)
Total net amortized intangible assets	141
HGP Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	953
Amortization	(77)
Total net amortized intangible assets	876
Customer Relationships [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	550
Amortization	(82)
Total net amortized intangible assets	468
NLEX's Website [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets	24
Amortization	(8)
Total net amortized intangible assets	$ 16