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9. PROPERTY AND EQUIPMENT, NET (Tables)
12 Months Ended
Jun. 30, 2019
Property, Plant and Equipment [Abstract]  
Property and equipment

    June 30,     June 30,  
    2019     2018  
Office equipment   $ 1,193,162     $ 1,193,162  
Laboratory equipment     585,795       558,205  
Leasehold improvements     751,226       751,226  
      2,530,183       2,502,593  
Less: Accumulated depreciation and amortization     (2,388,644 )     (2,338,558 )
    $ 141,539     $ 164,035