Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Current income tax expense (benefit), Federal	$ 0	$ 32	$ 0
Current income tax expense (benefit), State	10	(6)	36
Current income tax expense (benefit), Foreign	0	0	139
Total current income tax expense (benefit)	10	26	175
Deferred income tax expense (benefit), Federal	(2,065)	(6,213)	(2,916)
Deferred income tax expense (benefit), State	(417)	(1,188)	(175)
Deferred income tax expense (benefit), Foreign	0	0	0
Total deferred income tax expense (benefit)	(2,482)	(7,401)	(3,091)
Change in federal tax rate	0	0	11,693
Valuation allowance	2,482	7,369	16,662
Total income tax expense (benefit)	$ 10	$ (6)	$ 25,439