SHAREHOLDERS' EQUITY (Details) - Information regarding the 2003 Share Plan - 2003 Share Plan [Member] - USD ($)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
SHAREHOLDERS' EQUITY (Details) - Information regarding the 2003 Share Plan [Line Items]
Options Outstanding, Shares	225,600	366,200
Options Outstanding, Weighted Average Exercise Price Per Share	$ 18.69	$ 17.86
Options Exercised, Share	(5,800)	(11,080)
Options Exercised, Weighted Average Exercise Price Per Share	$ 1.39	$ 2.58
Options Forfeited, Shares	(189,200)	(129,520)
Options Forfeited, Weighted Average Exercise Price Per Share	$ 21.55	$ 17.72
Options Outstanding and Exercisable, Shares	30,600
Options Outstanding and Exercisable, Weighted Average Exercise Price Per Share	$ 3.16
Options Outstanding and Exercisable, Aggregate Intrinsic Value	$ 20,148
Options Outstanding, Shares		225,600
Options Outstanding, Weighted Average Exercise Price Per Share		$ 18.69