Note 9 - Income Taxes - The Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 6,203	$ 5,063	$ 5,024
State	1,300	938	990
Foreign	1,084	1,035	1,287
Current Income Tax Expense (Benefit)	8,587	7,036	7,301
Deferred:
Federal	616	(144)	63
State	122	(83)	(9)
Foreign	45	45	25
Deferred Income Tax Expense (Benefit)	783	(182)	79
Provision for income taxes	$ 9,370	$ 6,854	$ 7,380