Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable that were not granted under the 2003 Share Plan, the 2010 Share Plan or the 2018 Plan

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STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable that were not granted under the 2003 Share Plan, the 2010 Share Plan or the 2018 Plan - Stock Options Not Granted Under 2003 Share Plan, 2010 Share Plan or 2018 Share Plan [Member]
6 Months Ended
Apr. 30, 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 and Exercisable, Number | shares 1,046,000
Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life 4 years 149 days
Options Outstanding and Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 0.67
Range Of Exercise Prices $2.58 To $5.56 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding and Exercisable, Number | shares 734,000
Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life 3 years 317 days
Options Outstanding and Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 2.88