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Commitments (Details 3) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Loss Contingencies [Line Items]    
Total share based compensation $ 4,876,906 $ 6,430,873
General and Administrative Expense [Member]    
Loss Contingencies [Line Items]    
Total share based compensation 2,210,789 3,203,165
Research and Development Expense [Member]    
Loss Contingencies [Line Items]    
Total share based compensation $ 2,666,117 $ 3,227,708