Income Taxes (Schedule Of Income Tax Reconciliation Items) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]
U.S. Federal Statutory Tax Rate	$ (2,898)	$ (7,276)	$ (6,425)
Foreign tax rate differential	33	(399)	30
Change in valuation allowance	3,449	6,572	6,781
State and local tax provision		42	48
Nontaxable or Nondeductible Items	546
Unrecognized tax benefits	252	308	(398)
Other Adjustments	160	185	554
Subpart F Income		1,049
Total income tax expense (benefit)	$ 853	$ 481	$ 590
U.S. Federal Statutory Tax Rate, percent	21.00%
Foreign Tax Effects, percent	(0.20%)
Change in Valuation Allowance, percent	(25.00%)
Nontaxable or Nondeductible Items, percent	(4.00%)
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Percent	(1.80%)
Other Adjustments, percent	(1.20%)
Total income tax expense (benefit), percent	(6.20%)
Australia [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Foreign tax rate differential	$ 146
Foreign Tax Effects, percent	(1.10%)
New Zealand [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Foreign tax rate differential	$ 215
Change in valuation allowance	$ (1,050)
Foreign Tax Effects, percent	(1.60%)
Change in Valuation Allowance, percent	7.60%