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	6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Range Of Exercise Prices $0.67 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	938,000	943,000
Options Outstanding,Weighted Average Remaining Contractual Life	6 years 69 days	7 years 32 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 0.67	$ 0.67
Options Exercisable, Number	776,750	556,059
Options Exercisable,Weighted Average Remaining Contractual Life	5 years 284 days	5 years 350 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 Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	610,134
Options Outstanding,Weighted Average Remaining Contractual Life	4 years 25 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 2.58
Options Exercisable, Number	610,134
Options Exercisable,Weighted Average Remaining Contractual Life	4 years 25 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 2.58
Range Of Exercise Prices $3.46 To $7.00 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number	474,534
Options Outstanding,Weighted Average Remaining Contractual Life	8 years 226 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 4.13
Options Exercisable, Number	193,284
Options Exercisable,Weighted Average Remaining Contractual Life	7 years 233 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 4.57
Range Of Exercise Prices $2.27 To $7.00 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number		781,446
Options Outstanding,Weighted Average Remaining Contractual Life		5 years 47 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)		$ 2.79
Options Exercisable, Number		556,200
Options Exercisable,Weighted Average Remaining Contractual Life		4 years 284 days
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)		$ 2.90