Note 5 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Balance		$ 37,367	$ 40,663	$ 39,932	$ 41,955
Balance		37,151	41,009	37,151	41,009
AOCI Attributable to Parent [Member]
Balance		(1,751)	(1,769)	(1,718)	(1,915)
Foreign currency translation adjustments (1)	[1]	(12)	(14)	(45)	132
Balance		$ (1,763)	$ (1,783)	$ (1,763)	$ (1,783)

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