Note 11 - Income Tax Expense - Unrecognized Tax Benefits (Details) - Excluding Interest and Penalties [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Balance at the beginning of year	$ 796	$ 807
Additions for tax positions of prior years	217	105
Reductions due to lapse of statute of limitations	(102)	(116)
Balance at the end of year	$ 911	$ 796