Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2010 Share Plan

v3.10.0.1
STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2010 Share Plan - 2010 Share Plan [Member]
 9 Months Ended
Jul. 31, 2018
$ / shares
shares
Range Of Exercise Prices $0.67 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 943,000
Options Outstanding,Weighted Average Remaining Contractual Life 6 years 343 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 0.67
Options Exercisable, Number | shares 653,142
Options Exercisable,Weighted Average Remaining Contractual Life 6 years 65 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 0.67
Range Of Exercise Prices $2.27 To $3.01 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 729,712
Options Outstanding,Weighted Average Remaining Contractual Life 5 years 76 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 2.61
Options Exercisable, Number | shares 579,314
Options Exercisable,Weighted Average Remaining Contractual Life 5 years 102 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 2.60
Range Of Exercise Prices $3.46 To $7.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 351,734
Options Outstanding,Weighted Average Remaining Contractual Life 8 years 270 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 3.73
Options Exercisable, Number | shares 51,734
Options Exercisable,Weighted Average Remaining Contractual Life 1 year 167 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 5.27