Note 4 - Loans - Loans to Related Parties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Balance at beginning of year	$ 85,248	$ 45,707
Additional loans made	51,684	100,256
Payment received	(64,923)	(60,715)
Balance at end of year	$ 72,009	$ 85,248