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ACCUMULATED LOSSES (Tables)
12 Months Ended
Jun. 30, 2019
ACCUMULATED LOSSES [Abstract]  
Accumulated Losses
  2019  2018 


US$


US$

       
Balance at July 1
  
(36,382,142
)
  
(26,424,325
)
Net loss for the year
  
(9,822,626
)
  
(9,957,817
)
Balance at June 30
  
(46,204,768
)
  
(36,382,142
)