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Other Income (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2017
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]          
Grant income $ 0 $ 74,944 $ 149,888 $ 223,999  
Research and development incentive income 1,319,913 $ 552,335 $ 2,980,456 1,727,007  
Australia, Dollars          
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]          
Research and development incentive income $ 1,923,000     $ 4,471,000  
Clinical Study Grant [Member]          
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]          
Grant income         $ 597,886