STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2003 Share Plan - 2003 Share Plan [Member] - $ / shares |
6 Months Ended | |
---|---|---|
Apr. 30, 2019 |
Apr. 30, 2018 |
|
Range Of Exercise Prices $0.67 To $17.00 [Member] | ||
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | ||
Options Outstnding and Exercisable, Numbers | 8,000 | |
Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life | 164 days | |
Options Outstanding and Exercisable, Weighted Average Exercise Price | $ 2.34 | |
Range Of Exercise Prices $0.67 To $17.50 [Member] | ||
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] | ||
Options Outstnding and Exercisable, Numbers | 14,400 | |
Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life | 1 year 21 days | |
Options Outstanding and Exercisable, Weighted Average Exercise Price | $ 4.81 |