Warrants (Details) - $ / shares |
6 Months Ended | |
|---|---|---|
Aug. 31, 2019 |
Aug. 31, 2018 |
|
| Number of units outstanding, beginning | 402,868 | 34,102 |
| Number of units, issued | 4,114,567 | 102,818 |
| Number of units outstanding, ending | 4,419,753 | 99,498 |
| Weighted average exercise price outstanding, beginning | $ 8.77 | $ 13.00 |
| Weighted average exercise price, issued | 1.06 | 11.54 |
| Weighted average exercise price outstanding, ending | $ 1.56 | $ 11.48 |
| Warrants | ||
| Number of units outstanding, beginning | 802,469 | 140,667 |
| Number of units, issued | 4,253,230 | 0 |
| Number of units, exercised | (15,432) | 0 |
| Number of units, expired | 0 | 0 |
| Number of units outstanding, ending | 5,040,267 | 140,667 |
| Weighted average exercise price outstanding, beginning | $ 10.74 | $ 12.00 |
| Weighted average exercise price, issued | 10.91 | 0.00 |
| Weighted average exercise price, exercised | 9.32 | 0.00 |
| Weighted average exercise price, expired | 0.00 | 0.00 |
| Weighted average exercise price outstanding, ending | $ 10.89 | $ 12.00 |