| Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
| December 31, 2025 | | Total | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | |
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| Debt securities available-for-sale: | | | | | | | | | | | | | | | | |
| U.S. Treasury | | $ | 6,502 | | | $ | 6,502 | | | $ | - | | | $ | - | |
| U.S. government agencies | | | 47,838 | | | | - | | | | 47,838 | | | | - | |
| Taxable state and municipal | | | 32,474 | | | | - | | | | 32,474 | | | | - | |
| Tax-exempt state and municipal | | | 85,753 | | | | - | | | | 85,753 | | | | - | |
| U.S. government sponsored enterprise mortgage-backed | | | 45,232 | | | | - | | | | 45,232 | | | | - | |
| Corporate | | | 3,008 | | | | - | | | | 3,008 | | | | - | |
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| Total Debt Securities Available-for-Sale | | $ | 220,807 | | | $ | 6,502 | | | $ | 214,305 | | | $ | - | |
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| Marketable equity securities | | $ | 613 | | | $ | 613 | | | $ | - | | | $ | - | |
| December 31, 2024 | | Total | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | |
| | | | | | | | | | | | | | | | | |
| Debt securities available-for-sale: | | | | | | | | | | | | | | | | |
| U.S. Treasury | | $ | 2,202 | | | $ | 2,202 | | | $ | - | | | $ | - | |
| U.S. government agencies | | | 25,449 | | | | - | | | | 25,449 | | | | - | |
| Taxable state and municipal | | | 5,631 | | | | - | | | | 5,631 | | | | - | |
| Tax-exempt state and municipal | | | 51,796 | | | | - | | | | 51,796 | | | | - | |
| U.S. government sponsored enterprise mortgage-backed | | | 27,098 | | | | - | | | | 27,098 | | | | - | |
| Corporate | | | 3,877 | | | | - | | | | 3,877 | | | | - | |
| | | | | | | | | | | | | | | | | |
| Total Debt Securities Available-for-Sale | | $ | 116,053 | | | $ | 2,202 | | | $ | 113,851 | | | $ | - | |
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| Marketable equity | | $ | 268 | | | $ | 268 | | | $ | - | | | $ | - | |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | Carrying | | | Fair | | | | | | | | | | | | | |
| December 31, 2025 | | Value | | | Value | | | Level 1 | | | Level 2 | | | Level 3 | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial assets: | | | | | | | | | | | | | | | | | | | | |
| Cash and cash equivalents | | $ | 49,010 | | | $ | 49,010 | | | $ | 49,010 | | | $ | - | | | $ | - | |
| Interest-bearing time deposits | | | 5,923 | | | | 5,938 | | | | - | | | | 5,938 | | | | - | |
| Debt securities available-for-sale | | | 220,807 | | | | 220,807 | | | | 6,502 | | | | 214,305 | | | | - | |
| Marketable equity securities | | | 613 | | | | 613 | | | | 613 | | | | - | | | | - | |
| Restricted investments in bank stock | | | 2,717 | | | | 2,717 | | | | - | | | | 2,717 | | | | - | |
| Net loans | | | 908,267 | | | | 893,392 | | | | - | | | | - | | | | 893,392 | |
| Accrued interest receivable | | | 4,039 | | | | 4,039 | | | | - | | | | 4,039 | | | | - | |
| Bank owned life insurance | | | 28,233 | | | | 28,233 | | | | - | | | | 28,233 | | | | - | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial liabilities: | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 1,110,774 | | | | 1,109,528 | | | | - | | | | 1,109,528 | | | | - | |
| Repurchase agreements | | | 1,589 | | | | 1,589 | | | | - | | | | 1,589 | | | | - | |
| FHLB advances | | | 5,500 | | | | 5,486 | | | | - | | | | 5,486 | | | | - | |
| Subordinated debt | | | 9,892 | | | | 9,892 | | | | - | | | | 9,892 | | | | - | |
| Accrued interest payable | | | 1,969 | | | | 1,969 | | | | - | | | | 1,969 | | | | - | |
| | | Carrying | | | Fair | | | | | | | | | | | | | |
| December 31, 2024 | | Value | | | Value | | | Level 1 | | | Level 2 | | | Level 3 | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial assets: | | | | | | | | | | | | | | | | | | | | |
| Cash and cash equivalents | | $ | 9,179 | | | $ | 9,179 | | | $ | 9,179 | | | $ | - | | | $ | - | |
| Interest-bearing time deposits | | | 10,369 | | | | 10,355 | | | | - | | | | 10,355 | | | | - | |
| Debt securities available-for-sale | | | 116,053 | | | | 116,053 | | | | 2,202 | | | | 113,851 | | | | - | |
| Marketable equity securities | | | 268 | | | | 268 | | | | 268 | | | | - | | | | - | |
| Restricted investments in bank stock | | | 2,300 | | | | 2,300 | | | | - | | | | 2,300 | | | | - | |
| Net loans | | | 431,960 | | | | 426,034 | | | | - | | | | - | | | | 426,034 | |
| Accrued interest receivable | | | 1,804 | | | | 1,804 | | | | - | | | | 1,804 | | | | - | |
| Bank owned life insurance | | | 12,966 | | | | 12,966 | | | | - | | | | 12,966 | | | | - | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial liabilities: | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 489,529 | | | | 489,001 | | | | - | | | | 489,001 | | | | - | |
| Repurchase agreements | | | 1,143 | | | | 1,143 | | | | - | | | | 1,143 | | | | - | |
| FHLB advances | | | 43,050 | | | | 42,839 | | | | - | | | | 42,839 | | | | - | |
| Accrued interest payable | | | 1,736 | | | | 1,736 | | | | - | | | | 1,736 | | | | - | |
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