Warrants (Details) - $ / shares |
12 Months Ended | |
|---|---|---|
Feb. 28, 2023 |
Feb. 28, 2022 |
|
| Warrants | ||
| Number of warrants, beginning balance | 11,659,418 | 4,133,720 |
| Issued | 0 | 7,550,698 |
| Exercised | 0 | (25,000) |
| Expired | (4,570,018) | 0 |
| Number of warrants, ending balance | 7,089,400 | 11,659,418 |
| Weighted average exercise price, beginning balance | $ 14.44 | $ 10.99 |
| Issued | 0 | 16.31 |
| Exercised | 0 | 9.43 |
| Expired | 11.00 | 0 |
| Weighted average exercise price, ending balance | $ 16.65 | $ 14.44 |