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11. EMPLOYEE AND DIRECTOR EQUITY INCENTIVE PLANS (Details)
9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Employee And Director Equity Incentive Plans Details    
Expected life of option (years) 4 years 4 years
Risk-free interest rate, minimum 1.12% 1.08%
Risk-free interest rate, maximum 1.50% 1.42%
Assumed volatility, minimum 100.77% 99.78%
Assumed volatility, maximum 101.70% 103.90%
Expected dividend rate 0.00% 0.00%
Expected forfeiture rate, minimum 6.23% 5.00%
Expected forfeiture rate, maximum 12.63% 6.32%