Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Credit Losses (Details Textual)

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Note 3 - Loans and Allowance for Credit Losses (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Financing Receivable, Unamortized Loan Cost (Fee) $ 1,300,000    
Financing Receivable, Deferred Commitment Fee 1,500,000    
Financing Receivable, Nonaccrual, Interest Income 0 $ 0  
Financing Receivable, Modified, Accumulated 3,260,000   $ 3,313,000
Financing Receivable, Modified, Subsequent Default 0    
Consumer Portfolio Segment [Member]      
Financing Receivable, Modified, Accumulated 2,550,000   $ 2,584,000
Financing Receivable, Write Down on Financing Receivable $ 0 $ 0  
Contractual Interest Rate Reduction [Member]      
Financing Receivable, Modified, Percent of Loans Balance 50.00%   50.00%
Financing Receivable, Modified, Accumulated $ 1,600,000   $ 1,600,000
Extended Maturity [Member]      
Financing Receivable, Modified, Percent of Loans Balance 36.00%   36.00%
Financing Receivable, Modified, Accumulated $ 1,200,000   $ 1,200,000
Capitalized Interest, Renewals Below Market Rate, and A-B Note Restructures [Member]      
Financing Receivable, Modified, Accumulated $ 460,000   $ 471,000