| Schedule of common stock |
| For the three months ended May 31, 2018 |
|
Number of
shares |
|
|
Amount |
|
| Balance, February 28, 2018 |
|
|
33,751,088 |
|
|
$ |
3,376 |
|
| Cashless exercise of warrants |
|
|
18,821 |
|
|
|
2 |
|
| Issuance of shares upon vesting of restricted stock units |
|
|
35,797 |
|
|
|
3 |
|
| Balance, May 31, 2018 |
|
|
33,805,706 |
|
|
$ |
3,381 |
|
|