Income Taxes (Schedule Of Incometax Provision Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ (874,000)
State	2,000	1,000
Foreign		(4,000)
Deferred:
Federal	231,000	(11,000)
State	29,000	(1,000)
Income Tax Benefit	$ (612,000)	$ (15,000)