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FAIR VALUE (Details 2) - Jul. 31, 2015 - $ / shares
Total
Total
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Expected volatility   80.00%
Dividend yield   0.00%
Maximum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Market price of common stock   $ 1.26
Expected warrant term 4 years 9 months 18 days 5 years
Risk-free rate   1.70%
Probability of certain litigation costs at each of three pricing thresholds   33.00%
Probability of future down-round financing   50.00%
Stock price discount   41.00%
Minimum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Market price of common stock   $ 0.59
Expected warrant term 4 years 6 months 4 years 6 months
Risk-free rate   1.00%
Probability of certain litigation costs at each of three pricing thresholds   0.00%
Probability of future down-round financing   0.00%
Stock price discount   0.00%