Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Current income tax expense (benefit), Federal	$ 32	$ 0	$ 244
Current income tax expense (benefit), State	(6)	36	508
Current income tax expense (benefit), Foreign	0	139	69
Total current income tax expense (benefit)	26	175	821
Deferred income tax expense (benefit), Federal	(6,213)	(2,916)	1,726
Deferred income tax expense (benefit), State	(1,188)	(175)	1,040
Deferred income tax expense (benefit), Foreign	0	0	0
Total deferred income tax expense (benefit)	(7,401)	(3,091)	2,766
Change in federal tax rate	0	11,693	0
Valuation allowance	7,369	16,662	(772)
Total income tax expense (benefit)	$ (6)	$ 25,439	$ 2,815