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Other Income (Details Narrative) - USD ($)
 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2017
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]      
Grant income $ 149,888 $ 298,943  
Research and development incentive income 4,375,025 2,215,691  
Australia, Dollars      
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]      
Research and development incentive income $ 6,392,266 3,281,300  
Clinical Study Grant [Member]      
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]      
Awarded grant funding amount     $ 597,886
NYC Biotech Credit [Member]      
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]      
Research and development incentive income   $ 250,000