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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Refundable Deposits $ 289,000 $ 0
Impairment charges   74,495
Amounts in excess of insured limits 53,300,000 0
Cash and cash equivalents 54,085,685 42,174
General and administrative ("G&A") expenses    
Advertising costs 4,407,764 $ 413,771
Bollinger Motors, Inc    
Escrow deposit $ 30,000,000  
Maximum    
Amortization period 10 years