Note 11 - Fair Value Measurements - Assets Recorded at Fair Value on Non-recurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Real estate owned | $ 318 | $ 424 |
| Fair Value, Inputs, Level 1 [Member] | ||
| Real estate owned | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | ||
| Real estate owned | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | ||
| Real estate owned | $ 318 | $ 424 |