Income Taxes (Schedule Of Income Tax Reconciliation Items) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Abstract]
Expected tax provision	$ (7,276)	$ (6,425)	$ (7,526)
Foreign tax rate differential	(399)	30	384
Change in valuation allowance	6,572	6,781	8,071
State and local tax provision	42	48	21
Prior year adjustment		472	(405)
Unrecognized tax benefits	308	(398)	75
Subpart F Income	1,049
Other	185	82	199
Total income tax expense (benefit)	$ 481	$ 590	$ 819