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STOCK BASED COMPENSATION PLANS (10K) - Summary of valuation assumption (Details 2) - Stock options
9 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected volatility         79.00%
Expected life     4 years 6 months 7 years 7 years
Expected dividends     0.00% 0.00% 0.00%
Risk-free interest rate         2.22%
Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected volatility 49.00% 59.00% 59.00% 78.00%  
Expected life 3 years 4 years      
Risk-free interest rate 1.06% 1.34% 1.46% 1.59%  
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Expected volatility 50.00% 66.00% 66.00% 79.00%  
Expected life 4 years 4 years 6 months      
Risk-free interest rate 1.90% 1.49% 1.49% 2.04%