Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Expected federal statutory tax expense	$ 1,263	$ 625
Increase (reduction) in taxes resulting from:
State income taxes recoverable	388	258
Non-deductible expenses (permanent differences)	(193)	(15)
Change in valuation allowance	(4,542)	(11,294)
Tax rate changes	(599)	9,522
Other	39	(9)
Income tax benefit	$ (3,644)	$ (913)