| Common stock |
For the nine months ended November 30, 2021 | | Number of shares | | | Amount | | Balance, February 28, 2021 | | | 42,413,691 | | | $ | 4,242 | | Issuance of shares upon settlement of restricted stock units | | | 231,660 | | | | 24 | | Issuance of shares for cash | | | 4,714,813 | | | | 471 | | Issuance of shares upon exercise of warrants | | | 11,666 | | | | 1 | | Issuance of shares upon exercise of options | | | 16,226 | | | | 2 | | Balance, November 30, 2021 | | | 47,388,056 | | | $ | 4,740 | |
For the nine months ended November 30, 2020 | | Number of shares | | | Amount | | Balance, February 29, 2020 | | | 39,910,774 | | | $ | 3,992 | | Issuance of shares for cash | | | 2,087,000 | | | | 209 | | Issuance of shares upon the exercise of warrants | | | 190,529 | | | | 19 | | Issuance of shares upon settlement of restricted stock units | | | 224,436 | | | | 22 | | Balance, November 30, 2020 | | | 42,412,739 | | | $ | 4,242 | |
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| Summarizes the allocation of the aggregate purchase price |
Common stock | | $ | 34,622,854 | | First Tranche Warrants | | | 13,158,981 | | Second Tranche Warrants | | | 7,167,195 | | Third Tranche Warrants | | | 1,135,274 | | | | $ | 56,084,304 | |
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