Note 8 - Capital Ratios - Actual Capital Amount and Ratios (Details) $ in Thousands |
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025
USD ($)
|
||
|---|---|---|---|---|
| Tier 1 capital (to Average Assets), actual amount | $ 68,307 | $ 66,366 | ||
| Tier 1 capital (to Average Assets), actual ratio | 0.2548 | 0.2432 | ||
| Tier 1 capital (to Average Assets), minimum required to be well capitalized | [1] | $ 24,127 | $ 24,563 | |
| Tier 1 capital (to Average Assets), minimum required to be well capitalized ratio | [1] | 0.09 | 0.09 | |
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