Share capital - Stock options outstanding (Details)
|
6 Months Ended |
|
May 31, 2020
$ / shares
shares
|
|---|
| Number of outstanding options | shares |
11,118,933
|
| Weighted average years to expiry |
2 years 7 months 24 days
|
| Weighted average exercise price options outstanding |
$ 1.25
|
| Number of exercisable options | shares |
9,715,595
|
| Weighted average exercise price exercisable |
$ 2.43
|
| Number of unvested options | shares |
1,403,338
|
| Range 1 [Member] |
|
| Exercise price lower range limit |
$ 0.32
|
| Exercise price upper range limit |
$ 0.50
|
| Number of outstanding options | shares |
3,901,433
|
| Weighted average years to expiry |
9 months 22 days
|
| Weighted average exercise price options outstanding |
$ 0.40
|
| Number of exercisable options | shares |
3,901,433
|
| Weighted average exercise price exercisable |
$ 0.81
|
| Number of unvested options | shares |
0
|
| Range 2 [Member] |
|
| Exercise price lower range limit |
$ 0.51
|
| Exercise price upper range limit |
$ 1.00
|
| Number of outstanding options | shares |
1,845,000
|
| Weighted average years to expiry |
2 years 5 months 23 days
|
| Weighted average exercise price options outstanding |
$ 0.73
|
| Number of exercisable options | shares |
1,845,000
|
| Weighted average exercise price exercisable |
$ 2.48
|
| Number of unvested options | shares |
0
|
| Range 3 [Member] |
|
| Exercise price lower range limit |
$ 1.01
|
| Exercise price upper range limit |
$ 1.50
|
| Number of outstanding options | shares |
225,000
|
| Weighted average years to expiry |
2 years 10 months 13 days
|
| Weighted average exercise price options outstanding |
$ 1.29
|
| Number of exercisable options | shares |
175,000
|
| Weighted average exercise price exercisable |
$ 2.83
|
| Number of unvested options | shares |
50,000
|
| Range 4 [Member] |
|
| Exercise price lower range limit |
$ 1.51
|
| Exercise price upper range limit |
$ 2.00
|
| Number of outstanding options | shares |
915,000
|
| Weighted average years to expiry |
4 years 4 months 28 days
|
| Weighted average exercise price options outstanding |
$ 1.72
|
| Number of exercisable options | shares |
898,333
|
| Weighted average exercise price exercisable |
$ 4.43
|
| Number of unvested options | shares |
16,667
|
| Range 5 [Member] |
|
| Exercise price lower range limit |
$ 2.01
|
| Exercise price upper range limit |
$ 2.54
|
| Number of outstanding options | shares |
4,232,500
|
| Weighted average years to expiry |
4 years 11 days
|
| Weighted average exercise price options outstanding |
$ 2.17
|
| Number of exercisable options | shares |
2,895,829
|
| Weighted average exercise price exercisable |
$ 3.92
|
| Number of unvested options | shares |
1,336,671
|