Quarterly report pursuant to Section 13 or 15(d)

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

STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2010 Share Plan - 2010 Share Plan [Member] - $ / shares	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Range Of Exercise Prices $0.67 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number	938,000	983,000
Options Outstanding,Weighted Average Remaining Contractual Life	6 years 160 days	7 years 146 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 0.67	$ 0.67
Options Exercisable, Number	744,251	556,754
Options Exercisable,Weighted Average Remaining Contractual Life	5 years 343 days	6 years 65 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 0.67	$ 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	697,134
Options Outstanding,Weighted Average Remaining Contractual Life	3 years 354 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 2.62
Options Exercisable, Number	622,134
Options Exercisable,Weighted Average Remaining Contractual Life	4 years 116 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 2.57
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	486,734
Options Outstanding,Weighted Average Remaining Contractual Life	8 years 233 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 4.16
Options Exercisable, Number	146,734
Options Exercisable,Weighted Average Remaining Contractual Life	6 years 200 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 4.66
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		681,446
Options Outstanding,Weighted Average Remaining Contractual Life		6 years
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)		$ 2.75
Options Exercisable, Number		456,352
Options Exercisable,Weighted Average Remaining Contractual Life		4 years 222 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)		$ 2.99