Income Taxes (Schedule Of Income Tax Provision (Benefit)) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Current:
Federal	$ (21,000)
State	(6,000)
Foreign
Deferred:
Federal	8,500	128,000
State	500
Income Tax Provision (Benefit)	$ (18,000)	$ 128,000