Share-Based Payments (Tables)
|
12 Months Ended |
Feb. 29, 2020 |
|---|
| 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 year |
|
|
1,962,400 |
|
|
$ |
7.53 |
|
|
|
2,374,581 |
|
|
$ |
7.99 |
|
| Granted |
|
|
- |
|
|
|
- |
|
|
|
39,902 |
|
|
|
9.67 |
|
| Exercised |
|
|
(75,000 |
) |
|
|
0.80 |
|
|
|
(20,000 |
) |
|
|
0.80 |
|
| Forfeited |
|
|
(39,902 |
) |
|
|
9.67 |
|
|
|
(369,583 |
) |
|
|
11.49 |
|
| Expired |
|
|
(260,417 |
) |
|
|
13.59 |
|
|
|
(62,500 |
) |
|
|
4.80 |
|
| Outstanding, end of year |
|
|
1,587,081 |
|
|
$ |
6.81 |
|
|
|
1,962,400 |
|
|
$ |
7.53 |
|
| Exercisable, end of year |
|
|
986,248 |
|
|
$ |
6.89 |
|
|
|
1,126,664 |
|
|
$ |
7.72 |
|
|
| 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 |
|
|
|
507,081 |
|
|
|
5.75 |
|
|
|
582,081 |
|
|
|
6.76 |
|
| $ |
5.25 |
|
|
|
380,000 |
|
|
|
7.49 |
|
|
|
380,000 |
|
|
|
8.50 |
|
| $ |
8.75 |
|
|
|
- |
|
|
|
- |
|
|
|
26,693 |
|
|
|
10.00 |
|
| $ |
11.52 |
|
|
|
- |
|
|
|
- |
|
|
|
13,209 |
|
|
|
9.36 |
|
| $ |
12.00 |
|
|
|
700,000 |
|
|
|
7.54 |
|
|
|
700,000 |
|
|
|
8.54 |
|
| $ |
13.49 |
|
|
|
- |
|
|
|
- |
|
|
|
193,750 |
|
|
|
0.17 |
|
| $ |
13.89 |
|
|
|
- |
|
|
|
- |
|
|
|
66,667 |
|
|
|
0.01 |
|
| Outstanding, end of year |
|
|
|
1,587,081 |
|
|
|
6.96 |
|
|
|
1,962,400 |
|
|
|
6.91 |
|
| Exercisable, end of year |
|
|
|
986,248 |
|
|
|
6.97 |
|
|
|
1,126,664 |
|
|
|
5.99 |
|
|
| Valuation assumptions |
| |
|
2020 |
|
|
2019 |
|
|
2018 |
|
| Exercise price |
|
$ |
- |
|
|
$ |
8.75 to $11.52 |
|
|
$ |
5.25 to $13.89 |
|
| Risk-free interest rate |
|
|
- |
|
|
2.70% to 2.82% |
|
|
1.46% to 2.15% |
|
| Expected dividend yield |
|
|
- |
|
|
|
0 |
% |
|
|
0 |
% |
| Expected volatility |
|
|
- |
|
|
|
78 |
% |
|
80% to 94% |
|
| Expected life |
|
|
- |
|
|
6.5 to 7 years |
|
|
3 to 6 years |
|
|
| RSU activity |
| |
|
2020 |
|
|
|
2019 |
|
| |
Number of units |
|
|
Weighted average fair value price |
|
|
Number of units |
|
|
Weighted average fair value price |
|
| Outstanding, beginning of year |
|
402,868 |
|
|
$ |
8.77 |
|
|
|
34,102 |
|
|
$ |
13.00 |
|
| Granted |
|
4,114,567 |
|
|
|
1.06 |
|
|
|
406,188 |
|
|
|
8.80 |
|
| Settled |
|
(244,884 |
) |
|
|
2.54 |
|
|
|
(35,797 |
) |
|
|
13.06 |
|
| Forfeited |
|
(53,750 |
) |
|
|
9.82 |
|
|
|
(1,625 |
) |
|
|
12.31 |
|
| Outstanding, end of year |
|
4,218,802 |
|
|
$ |
1.60 |
|
|
|
402,868 |
|
|
$ |
8.77 |
|
| Outstanding vested, end of year |
|
831,684 |
|
|
$ |
1.19 |
|
|
|
- |
|
|
$ |
- |
|
|