Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Details) - Stock options outstanding and exercisable under 2003 share plan

v3.5.0.2
SHAREHOLDERS' EQUITY (Details) - Stock options outstanding and exercisable under 2003 share plan
 12 Months Ended
Oct. 31, 2016
$ / shares
shares
Range Of Exercise Prices $1.79 To $7.75 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 41,200
Options Outstanding,Weighted Average Remaining Contractual Life 1 year 281 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 2.91
Range Of Exercise Prices $14.75 To $17.25 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 50,400
Options Outstanding,Weighted Average Remaining Contractual Life 156 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 16.98
Range Of Exercise Prices $20.50 To $23.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 94,000
Options Outstanding,Weighted Average Remaining Contractual Life 302 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 22.04
Range Of Exercise Prices $29.25 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Number | shares 40,000
Options Outstanding,Weighted Average Remaining Contractual Life 295 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares $ 29.25