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, 2020	Jan. 31, 2019
Range Of Exercise Prices $0.67 To $2.30 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	561,500
Options Outstanding,Weighted Average Remaining Contractual Life	6 years 102 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 1.56
Options Exercisable, Number	464,000
Options Exercisable,Weighted Average Remaining Contractual Life	6 years 10 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 1.69
Range Of Exercise Prices $2.58 To $3.13 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	878,200
Options Outstanding,Weighted Average Remaining Contractual Life	3 years 156 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 2.79
Options Exercisable, Number	878,200
Options Exercisable,Weighted Average Remaining Contractual Life	3 years 354 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 2.79
Range Of Exercise Prices $3.46 To $5.75 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	534,534
Options Outstanding,Weighted Average Remaining Contractual Life	7 years 343 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 4.16
Options Exercisable, Number	379,534
Options Exercisable,Weighted Average Remaining Contractual Life	7 years 277 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 4.45
Range Of Exercise Prices $0.67 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number		938,000
Options Outstanding,Weighted Average Remaining Contractual Life		6 years 160 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)		$ 0.67
Options Exercisable, Number		744,251
Options Exercisable,Weighted Average Remaining Contractual Life		5 years 343 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)		$ 0.67
Range Of Exercise Prices $2.27 To $3.01 [Member]
Share-based Payment Arrangement, Option, 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 Payment Arrangement, Option, 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