Note 9 - Goodwill and Other Intangible Assets - Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Balance	$ 79,509	$ 59,221
Balance	90,310	79,509
Cincinnati Bancorp, Inc. [Member]
Balance	20,288
Additions from acquisition	524	20,288
Balance	20,812	20,288
Eagle Financial Bancorp, Inc. [Member]
Additions from acquisition	10,277	$ 0
Balance	$ 10,277