Income Taxes (Components of Income (Loss) Before Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income (Loss) from Continuing Operations [Abstract]
United States operations	$ (17,998)	$ (8,241)
Foreign operations	(3,015)	3,182
Loss from continuing operations before income taxes	$ (21,013)	$ (5,059)