Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE OF COMMON STOCK (Details)

v3.19.1
NET LOSS PER SHARE OF COMMON STOCK (Details) - shares
3 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Employee Stock Option [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 7,395,868 3,458,846
Warrant [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 854,400 829,400