STOCK BASED COMPENSATION (Details) - Stock options outstanding and exercisable under the 2003 Share Plan - 2003 Share Plan [Member] - $ / shares |
3 Months Ended | |
|---|---|---|
Jan. 31, 2019 |
Jan. 31, 2018 |
|
| Range Of Exercise Prices $0.67 To $17.00 [Member | ||
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | ||
| Options Outstnding and Exercisable, Numbers | 12,000 | |
| Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life | 178 days | |
| Options Outstanding and Exercisable, Weighted Average Exercise Price | $ 2.77 | |
| Range Of Exercise Prices $0.67 To $17.50 [Member] | ||
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | ||
| Options Outstnding and Exercisable, Numbers | 14,400 | |
| Options Outstanding and Exercisable, Weighted Average Remaining Contractual Life | 1 year 113 days | |
| Options Outstanding and Exercisable, Weighted Average Exercise Price | $ 4.81 | |