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ACCRUED EXPENSES (Tables)
3 Months Ended
Sep. 30, 2019
Payables and Accruals [Abstract]  
Schedule of accrued expenses
    September 30,     June 30,  
    2019     2019  
Clinical study costs   $ 171,878     $ 943,721  
Other research related expenses     1,114,475       1,361,414  
Professional services     89,138       317,500  
Other     203,969       226,057  
    $ 1,579,460     $ 2,848,692