Income Taxes (Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
United States federal	$ 117	$ 202
State and local	54	20
Foreign	125	530
Total current	296	752
Deferred:
United States federal	9	(495)
Foreign	174	(202)
Total deferred	183	(697)
Total income tax expense	$ 479	$ 55