Note 14 - Earnings Per Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Net income available to common shareholders	$ 20,794	$ 18,210
Weighted-average common shares outstanding (in shares)	5,732,532	5,676,711
Basic EPS (in dollars per share)	$ 3.63	$ 3.21
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	40,165	39,991
Weighted-average common and potentially dilutive shares outstanding (in shares)	5,772,697	5,716,702
Diluted EPS (in dollars per share)	$ 3.6	$ 3.19