Note 11 - Deposits (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposits, at or Above FDIC Insurance Limit	$ 414,500	$ 373,900
Interest-Bearing Domestic Deposit, Certificates of Deposits Acquired Through Broker	107,000	55,100
Deposits	976,793	981,926
Directors, Executive Officers, and Their Related Parties [Member]
Deposits	1,200	700
Mortgage Loans and Mortgage Backed Securities [Member]
Debt Securities, Available-for-Sale, Restricted	$ 41,600	$ 45,900