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FAIR VALUE (Details 1) - $ / shares
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Expected warrant term 0 years 4 years 9 months 7 days
Risk-free rate   14.00%
Expected volatility   80.00%
Dividend yield 0.00% 0.00%
Minimum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Market price of common stock $ 3.54  
Expected warrant term 2 years 9 months  
Risk-free rate 1.00%  
Expected volatility 77.00%  
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%  
Maximum [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Market price of common stock $ 7.56  
Expected warrant term 5 years  
Risk-free rate 1.70%  
Expected volatility 79.00%  
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%