Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE OF COMMON STOCK (Details)

v3.20.1
NET LOSS PER SHARE OF COMMON STOCK (Details) - shares
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Share-based Payment Arrangement, Option [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 8,407,234 7,395,868
Warrant [Member]    
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 500,000 854,400