Note 4 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable, Related Parties	$ 15,409	$ 18,187
Loans and Leases Receivable, Related Parties, Additions	4,751	5,145
Loans and Leases Receivable, Related Parties, Proceeds	7,529	1,780
Related Party Deposit Liabilities	17,117	9,509
Director [Member] | Small Office Space Lease to Related Party [Member]
Revenues		2
Director [Member] | Payments for Architectural Plans [Member]
Related Party Transaction, Amounts of Transaction	$ 79	$ 39