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v3.25.3

Note 2 - Securities Available for Sale (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Proceeds from Sale of Debt Securities, Available-for-Sale | $ 0 | $ 0 | $ 0 | $ 0 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 35 |  | 35 |  |
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest | $ 0 |  | $ 0 |  |
Debt Securities, Available-for-Sale, Excluding Accrued Interest | 160,747,239 |  | 160,747,239 |  | $ 140,307,447
Asset Pledged as Collateral [Member] | Deposits [Member] |  |  |  |  |
Debt Securities, Available-for-Sale, Excluding Accrued Interest | 5,427,755 |  | 5,427,755 |  | 5,741,240
Asset Pledged as Collateral [Member] | Securities Sold under Agreements to Repurchase [Member] |  |  |  |  |
Debt Securities, Available-for-Sale, Excluding Accrued Interest | $ 61,746 |  | $ 61,746 |  | $ 12,881,892
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] |  |  |  |  |
Financing Receivable, Affirmed Commitment to Support, Percentage | 100.00% |  | 100.00% |  |

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- Definition Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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