Note 5 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Balance		$ 41,438	$ 43,956	$ 41,955	$ 43,714
Balance		40,664	43,569	40,664	43,569
AOCI Attributable to Parent [Member]
Balance		(1,780)	(1,891)	(1,915)	(1,748)
Foreign currency translation adjustments (1)	[1]	11	5	146	(138)
Balance		$ (1,769)	$ (1,886)	$ (1,769)	$ (1,886)

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