Note 5 - Loans - Loans to Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance at beginning of year	$ 38,532	$ 51,288
Additional loans made	25,050	29,182
Payment received	(30,365)	(41,938)
Balance at end of year	$ 33,217	$ 38,532