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7. INVESTMENTS (Tables)
12 Months Ended
Jun. 30, 2017
Investments [Abstract]  
Carrying value of available-for-sale investments
    June 30,     June 30,  
    2017     2016  
Cost   $ 1,387,022     $ 1,387,022  
Matured investments     (1,124,999 )     -  
Amortization of premium     (11,596 )     (4,522 )
Gross unrealized loss     (590 )     (1,944 )
Fair value   $ 249,837     $ 1,380,556