Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Total net amortized intangible assets		$ 1,945	$ 5,220
Amortization		(260)	(526)
Impairment			(2,749)
Total net amortized intangible assets	$ 1,945	1,685	1,945
Total net intangible assets		4,382	7,657
Total net intangible assets	4,382	4,122	4,382
NLEX [Member] | Trade Name [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets		2,437	2,437
Impairment of indefinite lived		0
Unamortized intangible assets	2,437	$ 2,437	$ 2,437
Customer Network [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		7 years 2 months 12 days	8 years 2 months 12 days
Total net amortized intangible assets		$ 178	$ 3,193
Amortization		(20)	(266)
Impairment	(2,700)		(2,749)
Total net amortized intangible assets	178	$ 158	$ 178
Trade Name [Member] | HGP [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		9 years 2 months 12 days	10 years 2 months 12 days
Total net amortized intangible assets		$ 1,059	$ 1,165
Amortization		(106)	(106)
Total net amortized intangible assets	1,059	$ 953	$ 1,059
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		5 years 1 month 6 days	6 years 1 month 6 days
Total net amortized intangible assets		$ 660	$ 770
Amortization		(110)	(110)
Total net amortized intangible assets	660	$ 550	$ 660
Non-Compete Agreement [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		2 years	2 years
Finite-Lived intangible assets, remaining amortization period		0 years	4 months 24 days
Total net amortized intangible assets		$ 15	$ 50
Amortization		$ (15)	(35)
Total net amortized intangible assets	15		$ 15
NLEX's Website [Member] | NLEX [Member]
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived intangible asset, useful life		5 years	5 years
Finite-Lived intangible assets, remaining amortization period		2 years 4 months 24 days	3 years 4 months 24 days
Total net amortized intangible assets		$ 33	$ 42
Amortization		(9)	(9)
Total net amortized intangible assets	$ 33	$ 24	$ 33