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7. PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables)
12 Months Ended
Jun. 30, 2020
Prepaid Expense and Other Assets, Current [Abstract]  
Schedule of prepaid expenses and other current assets
    June 30,     June 30,  
    2020     2019  
Clinical / regulatory costs   $ 43,625     $ 61,798  
Insurance premiums     84,741       87,937  
Other     609,850       487,554  
    $ 738,216     $ 637,289