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SHARE-BASED COMPENSATION - Significant Assumptions (Details) - Stock options
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Significant assumptions used to compute the fair market values    
Risk-free interest rate, low end of range (as a percent) 0.36% 0.07%
Risk-free interest rate, high end of range (as a percent) 1.01% 0.93%
Dividend yield (as a percent) 0.00% 0.00%
Volatility factor, low end of range (as a percent) 109.00% 65.00%
Volatility factor, high end of range (as a percent) 148.00% 216.00%
Minimum    
Significant assumptions used to compute the fair market values    
Expected life (years) 6 months 6 months
Maximum    
Significant assumptions used to compute the fair market values    
Expected life (years) 2 years 10 months 15 days 2 years 10 months 15 days