XML 50 R39.htm IDEA: XBRL DOCUMENT v3.10.0.1
NET INCOME (LOSS) PER SHARE OF COMMON STOCK (Details) - shares
3 Months Ended 9 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2018
Jul. 31, 2017
Employee Stock Option [Member]        
NET INCOME (LOSS) PER SHARE OF COMMON STOCK (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3,378,606 3,378,606 7,238,446 7,238,446
Warrant [Member]        
NET INCOME (LOSS) PER SHARE OF COMMON STOCK (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 829,400 829,400 854,400 854,400