Income Taxes ((Loss) Income from Continuing Operations Before Income Taxes) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
United States	$ (21,714,000)	$ (21,583,000)
Foreign	(1,441,000)	(598,000)
Loss before income taxes	$ (23,155,000)	$ (22,181,000)