Note 13 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrecognized tax benefits at beginning of period	$ 6,771	$ 5,377	$ 4,309
Gross increases – tax positions in current year	1,937	2,582	2,025
Reductions due to lapse of statute of limitations	(645)	(1,188)	(957)
Unrecognized tax benefits at end of period	$ 8,063	$ 6,771	$ 5,377