Income Taxes (Schedule Of Income Tax Provision (Benefit)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal		$ (39,000)
State	1,000	(11,000)
Foreign	(4,000)
Deferred:
Federal	(11,000)	(187,000)
State	(1,000)	(52,000)
Income Tax (Benefit)	$ (15,000)	$ (289,000)