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NET LOSS PER SHARE OF COMMON STOCK (Details) - shares
3 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Employee Stock Option [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,712,472 2,803,196
Warrant [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 802,587 1,044,931
Convertible Preferred Stock [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 739,958