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Note 11 - Minimum Regulatory Capital Requirement (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
December 31, 2025 |  | Actual |  |  | Minimum Capital Requirement(1) |  |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Total Capital (to Risk Weighted Assets) |  | $ | 202,185 |  |  |  | 17.02 | % |  | $ | 124,760 |  |  |  | 10.50 | % |  | $ | 118,819 |  |  |  | 10.00 | %
Tier 1 Capital (to Risk Weighted Assets) |  | $ | 191,996 |  |  |  | 16.16 | % |  | $ | 100,996 |  |  |  | 8.50 | % |  | $ | 95,056 |  |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  | $ | 191,996 |  |  |  | 16.16 | % |  | $ | 83,174 |  |  |  | 7.00 | % |  | $ | 77,233 |  |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) |  | $ | 191,996 |  |  |  | 10.42 | % |  | $ | 73,727 |  |  |  | 4.00 | % |  | $ | 92,158 |  |  |  | 5.00 | %
December 31, 2024 |  | Actual |  |  | Minimum Capital Requirement(1) |  |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
Total Capital (to Risk Weighted Assets) |  | $ | 198,841 |  |  |  | 16.14 | % |  | $ | 129,382 |  |  |  | 10.50 | % |  | $ | 123,221 |  |  |  | 10.00 | %
Tier 1 Capital (to Risk Weighted Assets) |  | $ | 188,329 |  |  |  | 15.28 | % |  | $ | 104,738 |  |  |  | 8.50 | % |  | $ | 98,577 |  |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  | $ | 188,329 |  |  |  | 15.28 | % |  | $ | 86,254 |  |  |  | 7.00 | % |  | $ | 80,093 |  |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) |  | $ | 188,329 |  |  |  | 10.25 | % |  | $ | 73,493 |  |  |  | 4.00 | % |  | $ | 91,866 |  |  |  | 5.00 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
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