Note 5 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Balance		$ 40,663	$ 43,569	$ 41,955	$ 43,714
Balance		41,009	43,864	41,009	43,864
AOCI Attributable to Parent [Member]
Balance		(1,769)	(1,886)	(1,915)	(1,748)
Foreign currency translation adjustments (1)	[1]	(14)	106	132	(32)
Balance		$ (1,783)	$ (1,780)	$ (1,783)	$ (1,780)

[1] In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to earnings.