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SHAREHOLDERS’ EQUITY - Series A Investor Warrants - Series A Offering - Weighted Average Assumptions (Details)
12 Months Ended
Jun. 30, 2017
Weighted average assumptions:  
Expected dividend yield (as a percent) 0.00%
Series A Investor Warrant  
Weighted average assumptions:  
Expected term (in years) 1 year 9 months
Expected volatility (as a percent) 75.00%
Risk-free interest rate (as a percent) 1.34%
Expected dividend yield (as a percent) 0.00%