STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2010 Share Plan - 2010 Share Plan [Member]	3 Months Ended
	Jan. 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	983,000
Options Outstanding,Weighted Average Remaining Contractual Life	7 years 146 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares	$ 0.67
Options Exercisable, Number | shares	556,754
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 $7.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number | shares	681,446
Options Outstanding,Weighted Average Remaining Contractual Life	6 years
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares	$ 2.75
Options Exercisable, Number | shares	456,352
Options Exercisable,Weighted Average Remaining Contractual Life	4 years 222 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares	$ 2.99