Note 18 - Commitments and Contingencies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable, Commitments to Purchase or Sell	$ 967,000	$ 913,000
Unused lines of Credit [Member]
Unused Commitments to Extend Credit	157,900,000	173,300,000
Commitments for Letters of Credit [Member]
Unused Commitments to Extend Credit	3,400,000	4,500,000
Unused Credit Card Loan Commitments [Member]
Unused Commitments to Extend Credit	11,300,000	10,700,000
Commitments to Extend Credit [Member]
Unused Commitments to Extend Credit	13,300,000	22,700,000
Commitments on Mortgage Loans [Member]
Unused Commitments to Extend Credit	$ 2,200,000	$ 970,000