Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Ratios of Allowance for Loan Losses (Details) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Ratios of Allowance for Loan Losses (Details) | ||
| Ratio of ACLL to the end of period loans, net of deferred fees and costs | 0.99% | 1.04% |
| Ratio of net charge-offs to average loans, net of deferred fees and costs | 0.03% | 0.03% |