Note 8 - Warrants and Other Derivative Liabilities and Fair Value Measurements - Summary of All Changes in Derivatives Liabilities (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Balance | $ 79,742,180 | $ 64,863,309 |
| Warrants recognized upon issuance of convertible instruments | 134,722,170 | 28,002,395 |
| Loss / (gain) on revaluation | (58,787,404) | 805,135 |
| Loss / (gain) on exchange of warrants | 57,770,454 | |
| Conversions of derivatives into common shares | (112,386,589) | |
| Derivatives issued upon extinguishment of accounts payable | 6,985,740 | |
| Conversions of warrants into common shares | (71,126,401) | |
| Balance | $ 101,060,811 | $ 29,530,178 |
| X | ||||||||||
- Definition Amount of conversion of derivatives of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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| X | ||||||||||
- Definition Amount of conversion of warrants of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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| X | ||||||||||
- Definition Amount of derivatives issued classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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| X | ||||||||||
- Definition Amount of recognitions of financial instrument from convertible instruments classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized on warrants exchanged from liability measured at fair value on recurring basis using unobservable input (level 3). No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from liability 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 a liability 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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