Note 4 - Earnings Per Share - Summary of Basic EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Basic EPS, income	$ 2,591	$ 1,753
Weighted Average Shares Outstanding (Basic) (in shares)	3,186,793	3,228,666
Net Income Per Common Share (Basic) (in dollars per share)	$ 0.81	$ 0.54