| Accounts Payable And Accrued Liabilities |
| | February 28, 2023 | | | February 28, 2022 | | Trade accounts payable | | $ | 1,019,845 | | | $ | 4,397,499 | | Accrued legal settlement (Note 22) | | | - | | | | 2,519,220 | | Accrued employee compensation | | | 711,869 | | | | 1,254,685 | | Accrued engineering fees | | | 95,789 | | | | 774,423 | | Accrued professional fees | | | 409,697 | | | | 526,685 | | Other accrued liabilities | | | 273,281 | | | | 374,303 | | | | $ | 2,510,481 | | | $ | 9,846,815 | |
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