v3.26.1
Note 13 - Financial Instruments With Off-balance Sheet Risk (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Offsetting Assets [Line Items]    
Payment for Origination, Loan, Mortgage, Held-for-Sale $ 13,627,000 $ 10,516,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Cost of Mortgage Sold $ 14,472,000 $ 10,471,000
Potential Default Period After Sale of Loans to Investor (Month) 12 months  
Cash, Uninsured Amount $ 10,000  
Interest Rate Lock Commitments [Member]    
Offsetting Assets [Line Items]    
Other Commitment $ 0