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DEBT - Convertible Debt Issuances and Warrants (Details) - USD ($)							12 Months Ended
	Sep. 03, 2021	Aug. 19, 2021	Jul. 26, 2021	Jul. 22, 2021	May 26, 2021	May 16, 2021	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Unsecured convertible note agreement with TDR Capital	$ 6,600,000	$ 1,100,000		$ 2,420,000	$ 4,400,000
Debt interest rate	15.00%
Amortization of debt discount							$ 8,211,648	$ 16,008,454
Original issue discount of convertible debt		$ 100,000	$ 100,000	$ 242,000
Shares acquire	2,180,750
Warrants exercise price	$ 0.6877	$ 0.6877	$ 0.6877	$ 0.6877	$ 0.6877		$ 0.6877
Warrant expiration term	5 years	5 years	5 years	5 years	5 years
Fair value of the MAI warrants					$ 24,358,875		$ 13,700,000
Original issue discount	$ 660,000				3,726,816		$ 8,060,555	$ 1,401,062
Beneficial conversion discount					$ 673,184
Amortization period						12 months
Ownership percentage	9.90%	9.90%		9.90%	9.90%
Convertible debt	$ 6,050,000
Received from TDR Capital convertible debt issuance	$ 550,000
MTI common stock
Debt Instrument [Line Items]
Shares acquire		4,361,500	4,361,500	9,595,300	17,446,000
MAI warrants
Debt Instrument [Line Items]
Shares acquire	169,764	339,528	339,528	746,961	1,358,112
Warrants exercise price	$ 8.84	$ 8.84	$ 8.84	$ 8.84	$ 8.84
MAI warrants | MTI common stock
Debt Instrument [Line Items]
Shares acquire	1,867,423
MTI warrants | MTI common stock
Debt Instrument [Line Items]
Shares acquire	23,988,500
TDR Capital
Debt Instrument [Line Items]
Unsecured convertible note agreement with TDR Capital			$ 1,100,000
Convertible note debt discount rate		10.00%	10.00%	10.00%	10.00%
Debt interest rate	10.00%	15.00%	15.00%	15.00%	15.00%
Maturity term	1 year	1 year	1 year	1 year	1 year
Original issue discount of convertible debt					$ 400,000
Ownership percentage			9.90%
Received from TDR Capital convertible debt issuance	$ 550,000
Convertible Unsecured Notes
Debt Instrument [Line Items]
Debt interest rate								20.00%
Convertible Unsecured Notes | Minimum
Debt Instrument [Line Items]
Debt interest rate							15.00%
Convertible Unsecured Notes | Maximum
Debt Instrument [Line Items]
Debt interest rate							20.00%

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

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Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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