Debt Securities (Tables)
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3 Months Ended |
Mar. 31, 2026 |
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| Investments, Debt and Equity Securities [Abstract] |
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| Schedule of amortized cost and fair value of securities available for sale |
| | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | | | Cost | | Gains | | (Losses) | | Fair Value | March 31, 2026 | | | | | | | | | | | | | Securities available for sale: | | | | | | | | | | | | | Mortgage-backed securities | | $ | 7,831,480 | | $ | — | | $ | (888,575) | | $ | 6,942,905 | State and political subdivisions | | | 13,390,610 | | | — | | | (1,382,134) | | | 12,008,476 | Corporate securities | | | 3,472,567 | | | — | | | (441,237) | | | 3,031,330 | Total securities available for sale | | $ | 24,694,657 | | $ | — | | $ | (2,711,946) | | $ | 21,982,711 |
| | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | | | Cost | | Gains | | (Losses) | | Fair Value | December 31, 2025 | | | | | | | | | | | | | Securities available for sale: | | | | | | | | | | | | | Mortgage-backed securities | | $ | 8,053,774 | | $ | — | | $ | (866,049) | | $ | 7,187,725 | State and political subdivisions | | | 13,392,267 | | | — | | | (1,338,248) | | | 12,054,019 | Corporate securities | | | 3,471,309 | | | — | | | (423,644) | | | 3,047,665 | Total securities available for sale | | $ | 24,917,350 | | $ | — | | $ | (2,627,941) | | $ | 22,289,409 |
| | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | March 31, 2026 | | Cost | | Gains | | Losses | | Fair Value | Securities held to maturity: | | | | | | | | | | | | | U.S. government sponsored agencies | | $ | 27,332,368 | | $ | 95,743 | | $ | (60,459) | | $ | 27,367,652 | U.S. Treasury securities | | | 6,613,280 | | | 7,705 | | | — | | | 6,620,985 | Total securities held to maturity | | $ | 33,945,648 | | $ | 103,448 | | $ | (60,459) | | $ | 33,988,637 |
| | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | Estimated | December 31, 2025 | | Cost | | Gains | | Losses | | Fair Value | Securities held to maturity: | | | | | | | | | | | | | U.S. government sponsored agencies | | $ | 27,632,778 | | $ | 297,140 | | $ | (9,549) | | $ | 27,920,369 | U.S. Treasury securities | | | 8,798,979 | | | 30,464 | | | — | | | 8,829,443 | Total securities held to maturity | | $ | 36,431,757 | | $ | 327,604 | | $ | (9,549) | | $ | 36,749,812 |
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| Schedule of fair value and gross unrealized losses of available for sale debt securities in an unrealized loss position |
| | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | | | | Estimated | | | Unrealized | | Estimated | | Unrealized | | Estimated | | Unrealized | | | | Fair Value | | | Loss | | Fair Value | | Loss | | Fair Value | | Loss | March 31, 2026 | | | | | | | | | | | | | | | | | | | Securities available for sale: | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | $ | — | | $ | — | | $ | 6,942,905 | | $ | (888,575) | | $ | 6,942,905 | | $ | (888,575) | State and political subdivisions | | | — | | | — | | | 12,008,476 | | | (1,382,134) | | | 12,008,476 | | | (1,382,134) | Corporate securities | | | — | | | — | | | 3,031,330 | | | (441,237) | | | 3,031,330 | | | (441,237) | Totals | | $ | — | | $ | — | | $ | 21,982,711 | | $ | (2,711,946) | | $ | 21,982,711 | | $ | (2,711,946) |
| | | | | | | | | | | | | | | | | | | | | Less Than 12 Months | | 12 Months or More | | Total | | | Estimated | | Unrealized | | Estimated | | Unrealized | | Estimated | | Unrealized | | | Fair Value | | Loss | | Fair Value | | Loss | | Fair Value | | Loss | December 31, 2025 | | | | | | | | | | | | | | | | | | | Securities available for sale: | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | $ | — | | $ | — | | $ | 7,187,725 | | $ | (866,049) | | $ | 7,187,725 | | $ | (866,049) | State and political subdivisions | | | — | | | — | | | 12,054,019 | | | (1,338,248) | | | 12,054,019 | | | (1,338,248) | Corporate securities | | | — | | | — | | | 3,047,665 | | | (423,644) | | | 3,047,665 | | | (423,644) | Totals | | $ | — | | $ | — | | $ | 22,289,409 | | $ | (2,627,941) | | $ | 22,289,409 | | $ | (2,627,941) |
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| Summary of amortized cost and estimated fair value of debt securities by contractual maturity |
| | | | | | | | | March 31, 2026 | | | | | | Estimated | Available-for-sale | | Amortized Cost | | Fair Value | Due in one year or less | | $ | — | | $ | — | Due after one year through five years | | | 10,200,437 | | | 9,330,440 | Due after five years through ten years | | | 6,662,740 | | | 5,709,366 | Due after ten years | | | — | | | — | | | | | | | | Subtotal | | | 16,863,177 | | | 15,039,806 | Mortgage-backed securities | | | 7,831,480 | | | 6,942,905 | Total | | $ | 24,694,657 | | $ | 21,982,711 |
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| Schedule of amortized cost and fair value of securities held to maturity |
| | | | | | | | | March 31, 2026 | | | Amortized | | Estimated | Held-to-maturity | | Cost | | Fair Value | Due in one year or less | | $ | 5,928,021 | | $ | 5,935,417 | Due after one year through five years | | | 17,357,658 | | | 17,419,817 | Due after five years through ten years | | | 10,659,969 | | | 10,633,403 | Total | | $ | 33,945,648 | | $ | 33,988,637 |
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