Income Taxes, Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Components of income tax expense (benefit) [Abstract]
Federal - current	$ 0	$ (30)
State - current	1	2
Total current	1	(28)
Federal - deferred	(1,106)	(1,171)
State - deferred	(434)	(1,524)
Change in valuation allowance	1,540	2,695
Total deferred	0	0
Income tax expense (benefit)	$ 1	$ (28)