Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Current income tax expense (benefit), Federal	$ 0	$ 0	$ 32
Current income tax expense (benefit), State	10	10	(6)
Current income tax expense (benefit), Foreign	0	0	0
Total current income tax expense (benefit)	10	10	26
Deferred income tax expense (benefit), Federal	(562)	(2,065)	(6,213)
Deferred income tax expense (benefit), State	(159)	(417)	(1,188)
Deferred income tax expense (benefit), Foreign	0	0	0
Total deferred income tax expense (benefit)	(721)	(2,482)	(7,401)
Change in federal tax rate	0	0	0
Valuation allowance	721	2,482	7,369
Total income tax expense (benefit)	$ 10	$ 10	$ (6)