Note 2 - Summary of Significant Accounting Policies - Unrealized Gain (Loss) (Details) - USD ($) |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
|
| Change in fair value | $ 57,992 | |
| Unrealized loss on mortgage servicing rights investments | (46,394) | |
| Unrealized gain on interest rate futures | 625,196 | |
| Total unrealized gain on residential mortgage loans, mortgage servicing rights investments and derivatives, net | $ 698,452 | $ 636,794 |
| X | ||||||||||
- Definition Represents the amount of unrealized gain (loss) on investments and derivatives classified as nonoperating and before income taxes. No definition available.
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| X | ||||||||||
- Definition Represents the amount of unrealized gain (loss) on financing receivables during the period. No definition available.
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| X | ||||||||||
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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