Note 6 - Capital Standards (Details Textual) |
Jun. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum | [1] | 0.065 | 0.065 | |
| Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | [1] | 0.08 | 0.08 | |
| Capital Required to be Well Capitalized to Risk Weighted Assets | [1] | 0.10 | 0.10 | |
| Tier One Leverage Capital Required to be Well Capitalized to Average Assets | [1] | 0.05 | 0.05 | |
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