Quarterly report pursuant to Section 13 or 15(d)

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

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STOCK BASED COMPENSATION (Details) - Stock options outstanding under 2010 Share Plan - 2010 Share Plan [Member] - Range Of Exercise Prices $2.58 To $9.25 [Member]
6 Months Ended
Apr. 30, 2017
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 1,186,872
Options Outstanding,Weighted Average Remaining Contractual Life 7 years 153 days
Options Outstanding, Weighted Average Exercise Price | $ / shares $ 3.29
Options Exercisable, Number | shares 793,994
Options Exercisable,Weighted Average Remaining Contractual Life 6 years 237 days
Options Exercisable, Weighted Average Exercise Price | $ / shares $ 3.15