Note 9 - Income Taxes - Liability for Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Liability for uncertain tax positions	$ 28,434	$ 28,516
Additions based on tax positions related to the current year	1,284	2,054
Translation adjustment	(1,121)
Translation adjustment		331
Settlement/expiration of statutes of limitations	(3,799)	(2,467)
Liability for uncertain tax positions	$ 24,798	$ 28,434