Share-Based Payments (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
May 31, 2019 |
May 31, 2018 |
|
| Share-based Payment Arrangement [Abstract] | ||
| Number of options outstanding, beginning | 1,962,400 | 2,374,581 |
| Number of options, granted | 0 | 0 |
| Number of options, exercised | 0 | (20,000) |
| Number of options, forfeited | (10,010) | (100,000) |
| Number of options, expired | (260,417) | 0 |
| Number of options outstanding, ending | 1,691,973 | 2,254,581 |
| Number of options outstanding, exercisable | 914,998 | 926,249 |
| Weighted average exercise price outstanding, beginning | $ 7.53 | $ 7.99 |
| Weighted average exercise price, granted | 0.00 | 0.00 |
| Weighted average exercise price, exercised | 0.00 | 0.8 |
| Weighted average exercise price, forfeited | 8.75 | 5.25 |
| Weighted average exercise price, expired | 13.89 | 0.00 |
| Weighted average exercise price outstanding, ending | 6.60 | 8.17 |
| Weighted average exercise price outstanding, exercisable | $ 6.10 | $ 6.61 |