Options (Tables)
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12 Months Ended |
Nov. 30, 2021 |
| Options |
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| Schedule of share-based payment award, stock options, valuation assumptions |
| | November 30, | | | November 30, | | | November 30, | | | | 2021 | | | 2020 | | | 2019 | | | | | | | | | | | | Volatility | | | - | | | | - | | | | 93.90% - 111.93 | % | Risk-free interest rate | | | - | | | | - | | | | 1.62% - 1.90 | % | Expected life (in years) | | | - | | | | - | | | | 5.78 - 10.00 | | Dividend yield | | | - | | | | - | | | | - | | The weighted average grant date fair value of options granted | | | - | | | | - | | | $ | 0.22 - $0.28 | |
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| Schedule of share-based compensation, stock options, activity |
| | November 30, 2021 | | | November 30, 2020 | | | November 30, 2019 | | | | | | | Weighted | | | | | | | | | Weighted | | | | | | | | | Weighted | | | | | | | | | | average | | | Weighted | | | | | | average | | | Weighted | | | | | | average | | | Weighted | | | | | | | exercise | | | average | | | | | | exercise | | | average | | | | | | exercise | | | average | | | | Number of | | | price per | | | grant date | | | Number of | | | price per | | | grant date | | | Number of | | | price per | | | grant date | | | | options | | | share | | | fair value | | | options | | | share | | | fair value | | | options | | | share | | | fair value | | | | | | | | $ | | | | $ | | | | | | | $ | | | | $ | | | | | | | $ | | | | $ | | Outstanding, beginning of year | | | 1,697,638 | | | | 2.92 | | | | 1.99 | | | | 2,353,829 | | | | 8.35 | | | | 4.30 | | | | 555,651 | | | | 37.70 | | | | 19.33 | | Granted | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 1,887,000 | | | | 0.35 | | | | 0.26 | | Cancelled | | | (156,572 | ) | | | 1.05 | | | | 0.57 | | | | (101,182 | ) | | | 1.53 | | | | 0.78 | | | | - | | | | - | | | | - | | Forfeiture | | | (6,666 | ) | | | 0.35 | | | | 0.22 | | | | (225,315 | ) | | | 0.35 | | | | 0.22 | | | | (28,432 | ) | | | 1.41 | | | | 0.80 | | Expired | | | (44,900 | ) | | | 27.60 | | | | 13.74 | | | | (329,694 | ) | | | 42.84 | | | | 19.68 | | | | (60,390 | ) | | | 31.54 | | | | 14.27 | | Balance, end of year | | | 1,489,500 | | | | 2.40 | | | | 1.80 | | | | 1,697,638 | | | | 2.92 | | | | 1.99 | | | | 2,353,829 | | | | 8.35 | | | | 4.30 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Options exercisable, end of year | | | 1,489,500 | | | | 2.40 | | | | 1.80 | | | | 1,231,309 | | | | 3.90 | | | | 2.64 | | | | 1,122,189 | | | | 17.12 | | | | 8.75 | |
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| Schedule of share-based compensation, shares authorized under stock option plans, by exercise price range |
| | Options outstanding | | | Options exercisable | | | | | | | Weighted | | | Weighted | | | Weighted | | | | | | Weighted | | | Weighted | | | | | | | average | | | average | | | average | | | | | | average | | | average | | | | | | | exercise | | | remaining | | | grant | | | | | | exercise | | | grant | | Exercise | | Number | | | price per | | | contract | | | date | | | Number | | | price per | | | date | | price | | outstanding | | | share | | | life (years) | | | fair value | | | exercisable | | | share | | | fair value | | $ | | | | | $ | | | | | | $ | | | | | | $ | | | $ | | Under 25 | | | 1,404,500 | | | | 0.55 | | | | 7.19 | | | | 0.38 | | | | 1,404,500 | | | | 0.55 | | | | 0.38 | | 26.00 - 50.00 | | | 85,000 | | | | 32.70 | | | | 0.21 | | | | 25.08 | | | | 85,000 | | | | 32.70 | | | | 25.08 | | | | | 1,489,500 | | | | 2.40 | | | | | | | | | | | | 1,489,500 | | | | 0.12 | | | | - | |
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| Schedule of employee service share-based compensation, allocation of recognized period costs |
| | November 30, | | | November 30, | | | November 30, | | | | 2021 | | | 2020 | | | 2019 | | | | | | | $ | | | $ | | Research and development | | | 9,719 | | | | 60,446 | | | | 212,357 | | Selling, general and administrative | | | 2,266 | | | | 11,199 | | | | 52,211 | | | | | 11,985 | | | | 71,645 | | | | 264,568 | |
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