| Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
| | | December 31, 2025 | |
| | | Fair Value Measurements Using: | |
| | | Total Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Unobservable Inputs (Level 3) | |
| Recurring fair value measurements: | | | | | | | | | | | | | | | | |
| Investment securities available for sale | | | | | | | | | | | | | | | | |
| Government National Mortgage Association mortgage-backed securities | | $ | 848 | | | $ | - | | | $ | 848 | | | $ | - | |
| Federal National Mortgage Association mortgage- backed securities | | | 34 | | | | - | | | | 34 | | | | - | |
| Total investment securities available for sale | | $ | 882 | | | $ | - | | | $ | 882 | | | $ | - | |
| Total recurring fair value measurements | | $ | 882 | | | $ | - | | | $ | 882 | | | $ | - | |
| | | | | | | | | | | | | | | | | |
| Nonrecurring fair value measurements: | | | | | | | | | | | | | | | | |
| Other real estate owned | | $ | 360 | | | $ | - | | | $ | - | | | $ | 360 | |
| | | December 31, 2024 | |
| | | Fair Value Measurements Using: | |
| | | Total Fair Value | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Unobservable Inputs (Level 3) | |
| Recurring fair value measurements: | | | | | | | | | | | | | | | | |
| Investment securities available for sale | | | | | | | | | | | | | | | | |
| Government National Mortgage Association mortgage-backed securities | | $ | 1,631 | | | $ | - | | | $ | 1,631 | | | $ | - | |
| Federal National Mortgage Association mortgage- backed securities | | | 35 | | | | - | | | | 35 | | | | - | |
| Total investment securities available for sale | | $ | 1,666 | | | $ | - | | | $ | 1,666 | | | $ | - | |
| Total recurring fair value measurements | | $ | 1,666 | | | $ | - | | | $ | 1,666 | | | $ | - | |
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| Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
| | | December 31, 2025 | |
| | | Quantitative Information About Level 3 Fair Value Measurements | |
| | | Total Fair Value | | Valuation Techniques | Unobservable Input | | Range (Weighted Average) | |
| Collateral-dependent loans | | $ | 5,057 | | Appraisal of collateral (1) | Appraisal adjustments (2) | | | 8% | (8%) |
| | | | | | | | | | | |
| Other real estate owned | | $ | 360 | | Appraisal of collateral (1) | Appraisal adjustments (2) | | | 0 | % |
| | | December 31, 2024 | |
| | | Quantitative Information About Level 3 Fair Value Measurements | |
| | | Total Fair Value | | Valuation Techniques | Unobservable Input | | Range (Weighted Average) | |
| Collateral-dependent loans | | $ | 3,222 | | Appraisal of collateral (1) | Appraisal adjustments (2) | | | 8% | (8%) |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | | | | | | | | | Fair Value Measurements at | |
| | | | | | | | | | | December 31, 2025 | |
| | | Carrying Amount | | | Fair Value Estimate | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Unobservable Inputs (Level 3) | |
| Financial Assets | | | | | | | | | | | | | | | | | | | | |
| Investment in interest-earning time deposits | | $ | 912 | | | $ | 936 | | | $ | - | | | $ | - | | | $ | 936 | |
| Loans held for sale | | | 60,956 | | | | 63,308 | | | | - | | | | 63,308 | | | | - | |
| Loans receivable, net | | | 535,641 | | | | 533,964 | | | | - | | | | - | | | | 533,964 | |
| Individually evaluated loans | | | 5,057 | | | | 5,057 | | | | - | | | | - | | | | 5,057 | |
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| Financial Liabilities | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 597,278 | | | | 604,465 | | | | 242,561 | | | | - | | | | 361,904 | |
| Senior debt | | | 9,619 | | | | 9,763 | | | | - | | | | - | | | | 9,763 | |
| Subordinated debt | | | 8,000 | | | | 7,760 | | | | - | | | | - | | | | 7,760 | |
| | | | | | | | | | | Fair Value Measurements at | |
| | | | | | | | | | | December 31, 2024 | |
| | | Carrying Amount | | | Fair Value Estimate | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Unobservable Inputs (Level 3) | |
| Financial Assets | | | | | | | | | | | | | | | | | | | | |
| Investment in interest-earning time deposits | | $ | 912 | | | $ | 964 | | | $ | - | | | $ | - | | | $ | 964 | |
| Loans held for sale | | | 64,281 | | | | 65,624 | | | | - | | | | 65,624 | | | | - | |
| Loans receivable, net | | | 531,471 | | | | 515,073 | | | | - | | | | - | | | | 515,073 | |
| Individually evaluated loans | | | 3,222 | | | | 3,222 | | | | | | | | | | | | 3,222 | |
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| Financial Liabilities | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 553,252 | | | | 560,701 | | | | 270,361 | | | | - | | | | 290,340 | |
| FHLB long-term borrowings | | | 2,855 | | | | 2,848 | | | | - | | | | - | | | | 2,848 | |
| Subordinated debt | | | 22,000 | | | | 21,733 | | | | - | | | | - | | | | 21,733 | |
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