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10. ACCRUED EXPENSES (Tables)
12 Months Ended
Jun. 30, 2019
Payables and Accruals [Abstract]  
Accrued Expenses

    June 30,     June 30,  
    2019     2018  
Clinical study costs   $ 943,721     $ 983,410  
Other research related expenses     1,361,414       590,236  
Professional services     317,500       297,731  
Other     226,057       231,644  
    $ 2,848,692     $ 2,103,021