Note 3 - Warrant Derivative Liability (Details Textual) $ / shares in Units, Pure in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
Mar. 31, 2024
USD ($)
|
Mar. 31, 2023
USD ($)
shares
|
Mar. 31, 2024
USD ($)
|
Mar. 31, 2023
USD ($)
|
Sep. 30, 2023 |
May 12, 2019
$ / shares
|
Jun. 28, 2018
$ / shares
|
|
| Derivative Liability, Number of Instruments Held | 0 | 0 | 0 | ||||
| Gain (Loss) on Sale of Derivatives | $ | $ 0 | $ 1,158,197 | $ 0 | $ 1,158,197 | |||
| Series G Warrant [Member] | |||||||
| Class of Warrants and Rights, Required Cash Purchase Price | $ / shares | $ 22 | ||||||
| Series H Warrant [Member] | |||||||
| Class of Warrants and Rights, Required Cash Purchase Price | $ / shares | $ 10.66 | ||||||
| Series G and Series H Warrants [Member] | |||||||
| Stock Issued During Period, Shares, Warrants Exercised | shares | 12,019 | ||||||
| Stockholders' Equity, Period Increase (Decrease) | $ | $ 49,278 | ||||||
| X | ||||||||||
- Definition The potentially required cash purchase price for warrants or rights. No definition available.
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| X | ||||||||||
- Definition The number of shares issued during the period for warrant exercises. No definition available.
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| X | ||||||||||
- Definition The number of derivative instruments of a particular derivative liability or group of derivative liabilities held by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) in stockholders' equity during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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