Share-Based Payments (Tables)
|
12 Months Ended |
Feb. 28, 2019 |
| Share-based Payment Arrangement [Abstract] |
|
| Stock option activity |
| | |
| |
2019 | |
| |
2018 |
| | |
Number of stock options | |
Weighted average exercise price | |
Number of stock options | |
Weighted average exercise price |
| | Outstanding, beginning of period | | |
| 2,374,581 | | |
$ | 7.99 | | |
| 1,010,000 | | |
$ | 0.96 | |
| | Granted | | |
| 39,902 | | |
| 9.67 | | |
| 2,310,000 | | |
| 9.23 | |
| | Exercised | | |
| (20,000 | ) | |
| 0.80 | | |
| (245,034 | ) | |
| 0.80 | |
| | Forfeited | | |
| (369,583 | ) | |
| 11.49 | | |
| (620,385 | ) | |
| 4.97 | |
| | Expired | | |
| (62,500 | ) | |
| 4.80 | | |
| (80,000 | ) | |
| 0.80 | |
| | Outstanding, end of period | | |
| 1,962,400 | | |
$ | 7.53 | | |
| 2,374,581 | | |
$ | 7.99 | |
| | Exercisable, end of period | | |
| 1,126,664 | | |
$ | 7.72 | | |
| 841,249 | | |
$ | 6.32 | |
|
| Stock options outstanding |
| | |
| |
2019 | |
| |
2018 |
| Exercise price | |
Number of stock options outstanding | |
Weighted average remaining life | |
Number of stock options outstanding | |
Weighted average remaining life |
| $ | 0.80 | | |
| 582,081 | | |
| 6.76 | | |
| 602,081 | | |
| 7.75 | |
| $ | 3.00 | | |
| — | | |
| — | | |
| 12,500 | | |
| 0.25 | |
| $ | 5.25 | | |
| 380,000 | | |
| 8.50 | | |
| 530,000 | | |
| 9.49 | |
| $ | 8.75 | | |
| 26,693 | | |
| 10.0 | | |
| — | | |
| — | |
| $ | 11.52 | | |
| 13,209 | | |
| 9.36 | | |
| — | | |
| — | |
| $ | 12.00 | | |
| 700,000 | | |
| 8.54 | | |
| 700,000 | | |
| 9.54 | |
| $ | 13.49 | | |
| 193,750 | | |
| 0.17 | | |
| 250,000 | | |
| 9.63 | |
| $ | 13.89 | | |
| 66,667 | | |
| 0.01 | | |
| 280,000 | | |
| 9.69 | |
| | Outstanding, end of period | | |
| 1,962,400 | | |
| 6.91 | | |
| 2,374,581 | | |
| 9.05 | |
| | Exercisable, end of period | | |
| 1,126,664 | | |
| 5.99 | | |
| 841,249 | | |
| 7.67 | |
|
| Valuation assumptions |
| | |
2019 | |
2018 | |
2017 |
| Exercise price | |
| $ 8.75 to 11.52 | | |
| $ 5.25 to 13.89 | | |
$ | 3.00 | |
| Risk-free interest rate | |
| 2.70% to 2.82% | | |
| 1.46 to 2.15% | | |
| 0.91 | % |
| Expected dividend yield | |
| 0 | % | |
| 0 | % | |
| 0 | % |
| Expected volatility | |
| 78 | % | |
| 80% to 94% | | |
| 122 | % |
| Expected life | |
| 6.5 to 7 years | | |
| 3 to 6 years | | |
| 2 years | |
|
| RSU activity |
| | |
| |
2019 | |
| |
2018 |
| | |
Number of units | |
Weighted average fair value price | |
Number of units | |
Weighted average fair value price |
| | Outstanding, beginning of period | | |
| 34,102 | | |
$ | 13.00 | | |
| — | | |
$ | — | |
| | Granted | | |
| 406,188 | | |
| 8.80 | | |
| 34,102 | | |
| 13.00 | |
| | Vested | | |
| (35,797 | ) | |
| 13.06 | | |
| — | | |
| — | |
| | Forfeited | | |
| (1,625 | ) | |
| 12.31 | | |
| — | | |
| — | |
| | Outstanding, end of period | | |
| 402,868 | | |
$ | 8.77 | | |
| 34,102 | | |
$ | 13.00 | |
|