STOCK BASED COMPENSATION (Details) - Stock options outstanding not under 2003 Share Plan and 2010 Share Plan - Stock Options Not Granted Under 2003 Share Plan Or 2010 Share Plan [Member] - Range Of Exercise Prices $2.58 To $5.56 [Member]	6 Months Ended
	Apr. 30, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding and Exercisable, Number | shares	1,780,000
Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life	5 years 94 days
Options Outstanding and Exercisable, Weighted Average Exercise Price | $ / shares	$ 2.70