Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE OF COMMON STOCK (Details)

v3.19.2
NET LOSS PER SHARE OF COMMON STOCK (Details) - shares
3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
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 7,268,668 7,238,446 7,268,668 7,238,446
Warrant [Member]        
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 545,000 854,400 545,000 854,400