Note 8 - Capital Commitments - Fair Value of Derivative Assets (Details) - Derivative Financial Instruments, Assets [Member] - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Beginning balance | $ 0 | $ 56,243 | $ 56,243 | $ 56,243 |
| Fair value change in derivative asset | 0 | 0 | (56,243) | 0 |
| Ending balance | $ 0 | $ 56,243 | $ 0 | $ 56,243 |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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