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SUBSEQUENT EVENTS - Convertible Debt Issuances and Warrants (Details) - USD ($) |  | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 04, 2021 | Sep. 30, 2021 | Sep. 03, 2021 | Aug. 19, 2021 | Jul. 26, 2021 | Jul. 22, 2021 | May 26, 2021 | May 07, 2021 | Sep. 30, 2020
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Face amount of debt | $ 4,510,000 |  |  |  |  |  |  |  |
Original issue discount |  | $ 8,060,555 | $ 660,000 |  |  |  | $ 3,726,816 |  | $ 1,401,062
Interest rate (as a percent) |  |  | 15.00% |  |  |  |  |  |
Warrants to acquire shares of common stock | 1,478,752 |  |  |  |  |  |  |  |
Warrants exercise price |  | $ 0.6877 | $ 0.6877 | $ 0.6877 | $ 0.6877 | $ 0.6877 | $ 0.6877 |  |
Exercisable term of warrants |  | 5 years |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Original issue discount |  | $ 8,060,555 |  |  |  |  |  |  |
Interest rate (as a percent) |  | 15.00% |  |  |  |  |  |  |
Maturity term |  | 1 year |  |  |  |  |  |  |
Warrants to acquire shares of common stock |  |  |  |  |  |  |  | 1,866,665 |
Subsequent event | Convertible Debt | JADR Consulting Group PTY Limited [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Face amount of debt | $ 1,100,000 |  |  |  |  |  |  |  |
Original issue discount (as a percent) | 10.00% |  |  |  |  |  |  |  |
Original issue discount | $ 100,000 |  |  |  |  |  |  |  |
Interest rate (as a percent) | 15.00% |  |  |  |  |  |  |  |
Maturity term | 1 year |  |  |  |  |  |  |  |
Warrants to acquire shares of common stock | 417,375 |  |  |  |  |  |  |  |
Warrants exercise price | $ 8.84 |  |  |  |  |  |  |  |
Exercisable term of warrants | 5 years |  |  |  |  |  |  |  |
Ownership cap in shares of common stock outstanding, after giving effect to the issuance of common stock issuable upon exercise of the warrants | 9.90% |  |  |  |  |  |  |  |
Subsequent event | Convertible Debt | Michael Friedlander |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Face amount of debt | $ 110,000 |  |  |  |  |  |  |  |
Original issue discount (as a percent) | 10.00% |  |  |  |  |  |  |  |
Original issue discount | $ 10,000 |  |  |  |  |  |  |  |
Interest rate (as a percent) | 15.00% |  |  |  |  |  |  |  |
Maturity term | 1 year |  |  |  |  |  |  |  |
Warrants to acquire shares of common stock | 30,872 |  |  |  |  |  |  |  |
Warrants exercise price | $ 8.84 |  |  |  |  |  |  |  |
Exercisable term of warrants | 5 years |  |  |  |  |  |  |  |
Ownership cap in shares of common stock outstanding, after giving effect to the issuance of common stock issuable upon exercise of the warrants | 9.90% |  |  |  |  |  |  |  |

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