Note 2 - Loans and Allowance for Credit Losses - Details of the Collateral Dependent Loan (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Total Loans	$ 848,975	$ 852,744
Collateral Pledged [Member]
Total Loans	7
Consumer Real Estate Portfolio Segment [Member] \| Closed End First Liens [Member] \| Collateral Pledged [Member]
Total Loans	$ 7

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ Details