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STOCK BASED COMPENSATION (Details) - Fair Value Estimate Assumptions - $ / shares
3 Months Ended 9 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Jul. 31, 2015
Jul. 31, 2014
Fair Value Estimate Assumptions [Abstract]        
Weighted average fair value at grant date (in Dollars per share) $ 3.09 $ 6.25 $ 2.40 $ 5.50
Valuation assumptions:        
Expected life (years) 5 years 9 months 5 years 357 days 5 years 131 days 5 years 288 days
Expected volatility 117.80% 115.10% 114.80% 115.40%
Risk-free interest rate 2.01% 1.93% 1.66% 1.82%
Expected dividend yield 0.00% 0.00% 0.00% 0.00%