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SUBSEQUENT EVENTS - Tunica, MS Production Facility - Purchase (Details)
12 Months Ended
Nov. 12, 2021
USD ($)
a
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Apr. 27, 2021
a
Subsequent Event [Line Items]        
Payments for purchase of plant $ 12,000,000 $ 43,893 $ 270,501  
Square Feet of EV Manufacturing Facility 127,400      
Area of Land | a       100
Subsequent event        
Subsequent Event [Line Items]        
Payments for purchase of plant $ 12,000,000      
Square Feet Of Manufacturing Space 124,000      
Area of Land | a 100