Note 5 - Loans - Loans to Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Balance at beginning of year	$ 33,217	$ 38,532
Additional loans made	20,160	25,050
Payment received	(7,670)	(30,365)
Balance at end of year	$ 45,707	$ 33,217