Note 10 - Income Taxes - Liability for Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Liability for uncertain tax positions	$ 24,798	$ 28,434
Additions based on tax positions related to the current year	973	1,284
Translation adjustment	(249)	(1,121)
Settlement/expiration of statutes of limitations	(5,699)	(3,799)
Liability for uncertain tax positions	$ 19,823	$ 24,798