Note 8 - Debt - Schedule of Residual Royalty Agreement Liability (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2025 |
Sep. 30, 2024 |
|
| Residual royalty agreement liability, fair value at inception | $ 346,000 | $ 346,000 |
| Add: accretion of liability using effective interest rate | 13,149,689 | 12,985,419 |
| Less: cumulative payments | (5,357,616) | (5,024,790) |
| Less: extinguishments | (8,138,073) | 0 |
| Residual royalty agreement liability, excluding embedded derivative liability | 0 | 8,306,629 |
| Add: embedded derivative liability at fair value (see Note 4) | 0 | 1,570,000 |
| Total residual royalty agreement liability | 0 | 9,876,629 |
| Residual royalty agreement liability, short-term portion | 0 | (1,025,837) |
| Residual royalty agreement liability, long-term portion | $ 0 | $ 8,850,792 |
| X | ||||||||||
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Gross amount of debt extinguished. No definition available.
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| X | ||||||||||
- Definition Represents the accumulated accretion of the liability. No definition available.
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| X | ||||||||||
- Definition Represents the current portion of the residual royalty agreement liability. No definition available.
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| X | ||||||||||
- Definition Pertains to the residual royalty agreement liability. No definition available.
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in residual royalty agreement liability No definition available.
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| X | ||||||||||
- Definition Represents the amount of the residual royalty agreement not including the embedded derivatives classified as a liability. No definition available.
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| X | ||||||||||
- Definition Represents the non-current portion of the residual royalty agreement liability. No definition available.
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| X | ||||||||||
- Definition Represents the total value of the residual royalty agreement liability. No definition available.
|