Note 9 - Commitments and Contingencies - Schedule of Off Balance Sheet Instruments (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Financial Standby Letter of Credit [Member] | ||
| Fixed rate commitments | $ 114 | $ 174 |
| Variable rate commitments | 22,991 | 18,994 |
| Unfunded Loan Commitment [Member] | ||
| Fixed rate commitments | 48,537 | 37,731 |
| Variable rate commitments | $ 716,455 | $ 650,384 |