Accounts Payable and Accrued Liabilities (Details) - USD ($) |
Nov. 30, 2021 |
Feb. 28, 2021 |
|---|---|---|
| Accounts Payable and Accrued Liabilities | ||
| Trade accounts payable | $ 2,513,404 | $ 5,082,736 |
| Accrued construction costs | 902,325 | 0 |
| Accrued employee compensation | 1,187,977 | 970,154 |
| Accrued engineering fees | 312,155 | 535,359 |
| Accrued professional fees | 288,966 | 1,270,628 |
| Other accrued liabilities | 217,559 | 265,988 |
| Accounts payable and accrued liabilities | $ 5,422,386 | $ 8,124,865 |