Note 4 - Financing Arrangements - Schedule of Repurchase Agreement (Details) |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Securities Sold under Agreements to Repurchase [Member] | Asset Pledged as Collateral [Member] | Residential Mortgage Loans [Member] | |
| Principal | $ 82,216,348 |
| Fair value | $ 75,145,854 |
| Weighted average interest rate | 5.96% |
| Securities Sold under Agreements to Repurchase [Member] | Asset Pledged as Collateral [Member] | Mortgage Loans Unpaid Principal Balance [Member] | |
| Principal | $ 386,518 |
| Fair value | 386,518 |
| Repurchase Agreement [Member] | |
| Principal | $ 65,642,429 |
| Weighted average interest rate | 5.80% |
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The principal amount of the receivable or note before consideration of the discount or premium. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The receivable or note face amount less the unamortized discount or premium. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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