Warrants (Details 1)
|
6 Months Ended |
|
Aug. 31, 2019
$ / shares
shares
|
| Number of warrants outstanding | shares |
5,040,267
|
| Weighted average exercise price | $ / shares |
$ 10.89
|
| Warrants 1 |
|
| Expiration date |
Jan. 15, 2020
|
| Number of warrants outstanding | shares |
277,778
|
| Weighted average exercise price | $ / shares |
$ 9.32
|
| Warrants 2 |
|
| Expiration date |
Jan. 21, 2020
|
| Number of warrants outstanding | shares |
9,259
|
| Weighted average exercise price | $ / shares |
$ 9.32
|
| Warrants 3 |
|
| Expiration date |
Aug. 25, 2020
|
| Number of warrants outstanding | shares |
200,000
|
| Weighted average exercise price | $ / shares |
$ 11.00
|
| Warrants 4 |
|
| Expiration date |
Oct. 05, 2020
|
| Number of warrants outstanding | shares |
159,663
|
| Weighted average exercise price | $ / shares |
$ 8.55
|
| Warrants 5 |
|
| Expiration date |
Feb. 25, 2021
|
| Number of warrants outstanding | shares |
300,000
|
| Weighted average exercise price | $ / shares |
$ 12.00
|
| Warrants 6 |
|
| Expiration date |
Jun. 14, 2022
|
| Number of warrants outstanding | shares |
4,093,567
|
| Weighted average exercise price | $ / shares |
$ 11.00
|