Note 8 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Tax computed at the Federal statutory rate	$ (6,192)	$ (10,229)
Tax computed at the Federal statutory rate, percent	21.00%	21.00%
State and local tax (net of FBOS)	$ (40)	$ (18)
State and local tax (net of FBOS), percent	0.14%	0.04%
Effect of cross-border tax laws	$ 136	$ 240
Effect of cross-border tax laws, percent	(0.46%)	(0.49%)
Tax Credits	$ 0	$ 0
Tax Credits, percent	0.00%	0.00%
Change in valuation allowance	$ 4,655	$ 9,050
Change in valuation allowance, percent	(15.79%)	(18.58%)
Material Nondeductible items	$ 0	$ 0
Material Nondeductible items, percent	0.00%	0.00%
Other items under 5% each	$ 1,295	$ 679
Other items under 5% each, percent	(4.39%)	(1.39%)
Worldwide changes in unrecognized tax benefits	$ 0	$ 0
Worldwide changes in unrecognized tax benefits, percent	0.00%	0.00%
Foreign tax effects	$ 90	$ 20
Foreign tax effects, percent	(0.31%)	(0.04%)
Prior Year True-Up	$ (20)	$ 245
Prior Year True-Up, percent	0.07%	(0.50%)
Total income tax benefit	$ (76)	$ (13)
Effective Income Tax Rate Reconciliation, Percent	0.26%	0.03%