Note 21 - Assets and Liabilities Measured and Reported at Fair Value - Significant Unobservable Inputs (Details) - Appraisal Discount Method [Member] - Fair Value, Inputs, Level 3 [Member] - Impaired Loans [Member] - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Collateral dependent loans	$ 12,227,000	$ 13,561,000
Other real estate owned		$ 10,000
Weighted Average [Member]
Impaired Loans, Measurement Input	15,700	18,000
Other real estate owned		$ 93,000