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Note 12 - Other Borrowings (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2006	Dec. 31, 2024	Dec. 31, 2023
Stock Issued During Period, Value, New Issues	$ 248,000
Standby Letters of Credit [Member]
Letters of Credit Outstanding, Amount		$ 25,000,000
Other Borrowings [Member]
Notes Payable, Total		$ 8,200,000	$ 8,200,000
Notes Payable, Other Payables [Member]
Debt Instrument, Basis Spread on Variable Rate	1.67%	1.67%
Debt, Weighted Average Interest Rate		7.23%	7.16%
Debt Instrument, Annual Principal Payment		$ 0
Special Purpose Entity [Member]
Securities Sold under Agreements to Repurchase, Total	$ 8,000,000

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