Note 1 - Organization and Significant Accounting Policies - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024
Balance		$ 41,955	$ 43,714
Balance		39,932	41,955
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(1,915)	(1,748)
Foreign currency translation adjustments (1)	[1]	197	(167)
Balance		$ (1,718)	$ (1,915)

[1] In all periods presented, there were no tax impacts related to functional currency translation adjustments.