Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Details) - Stock options outstanding and exercisable under the 2018 Share Plan

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SHAREHOLDERS' EQUITY (Details) - Stock options outstanding and exercisable under the 2018 Share Plan - 2018 Share Plan [Member]
12 Months Ended
Oct. 31, 2019
$ / shares
shares
Range Of Exercise Prices $3.70 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 3,100,000
Options Outstanding,Weighted Average Remaining Contractual Life 8 years 193 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 3.70
Options Exercisable, Number | shares 1,300,000
Options Exercisable,Weighted Average Remaining Contractual Life 8 years 193 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 3.70
Range Of Exercise Prices $3.84 To $4.61 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 835,000
Options Outstanding,Weighted Average Remaining Contractual Life 9 years 32 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 3.91
Options Exercisable, Number | shares 185,280
Options Exercisable,Weighted Average Remaining Contractual Life 8 years 171 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 3.93