WARRANTS (Summary of Warrants Outstanding and Exercisable by Price Range) (Details) |
6 Months Ended |
|---|---|
|
Apr. 30, 2020
$ / shares
shares
| |
| Class of Warrant or Right [Line Items] | |
| Range of exercise price, lower limit | $ 0.14 |
| Range of exercise price, upper limit | $ 0.16 |
| Warrants and Exercisable outstanding | shares | 15,802,305 |
| Weighted Remaining Average Contractual Life (Years) | 2 months 30 days |
| Weighted average exercise price, outstanding | $ 0.16 |
| Warrant Exercise Price Range One [Member] | |
| Class of Warrant or Right [Line Items] | |
| Exercise price | $ 0.14 |
| Warrants and Exercisable outstanding | shares | 1,231,374 |
| Weighted Remaining Average Contractual Life (Years) | 2 months 30 days |
| Weighted average exercise price, outstanding | $ 0.14 |
| Warrant Exercise Price Range Two [Member] | |
| Class of Warrant or Right [Line Items] | |
| Exercise price | $ 0.16 |
| Warrants and Exercisable outstanding | shares | 14,570,931 |
| Weighted Remaining Average Contractual Life (Years) | 2 months 30 days |
| Weighted average exercise price, outstanding | $ 0.16 |