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SUBSEQUENT EVENTS (Details) - Subsequent events - USD ($)
3 Months Ended
Apr. 05, 2016
Jun. 30, 2016
SUBSEQUENT EVENTS    
Equipment expenditure   $ 1,400,000
Chief Executive Officer    
SUBSEQUENT EVENTS    
Number of common stock issued on exercise of stock options (in shares) 1,000,000  
Exercise price (in dollars per share) $ 0.81  
Aggregate consideration from issue of common stock $ 810,000