Note 5 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Balance		$ 43,714	$ 44,841
Balance		43,956	44,602
AOCI Attributable to Parent [Member]
Balance		(1,748)	(1,728)
Foreign currency translation adjustments (1)	[1]	(143)	86
Balance		$ (1,891)	$ (1,642)

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