Income Taxes (Schedule Of (Loss) Income Before Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Domestic	$ (10,263)	$ (11,443)	$ 6,369
Foreign	(4,564)	(5,731)	(4,725)
(Loss) income before income taxes	$ (14,827)	$ (17,174)	$ 1,644