Warrants (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
May 31, 2019 |
May 31, 2018 |
|
| Number of units outstanding, beginning | 402,868 | 34,102 |
| Number of units, issued | 25,145 | 24,450 |
| Number of units outstanding, ending | 403,767 | 22,755 |
| Weighted average exercise price outstanding, beginning | $ 8.77 | $ 13 |
| Weighted average exercise price, issued | 9.79 | 12.23 |
| Weighted average exercise price outstanding, ending | $ 8.73 | $ 12.07 |
| Warrants [Member] | ||
| Number of units outstanding, beginning | 802,469 | 140,667 |
| Number of units, issued | 159,663 | 0 |
| Number of units, exercised | 0 | 0 |
| Number of units, expired | 0 | 0 |
| Number of units outstanding, ending | 962,132 | 140,667 |
| Weighted average exercise price outstanding, beginning | $ 10.74 | $ 12.00 |
| Weighted average exercise price, issued | 8.55 | 0.00 |
| Weighted average exercise price, exercised | 0.00 | 0.00 |
| Weighted average exercise price, expired | 0.00 | 0.00 |
| Weighted average exercise price outstanding, ending | $ 10.38 | $ 12.00 |