| Schdule of Accounts Payable And Accrued Liabilities |
| | May 31, 2023 | | | February 28, 2023 | | Trade accounts payable | | $ | 1,534 | | | $ | 1,020 | | Accrued machinery and equipment expenses | | | 1,225 | | | | - | | Accrued employee compensation | | | 581 | | | | 712 | | Accrued professional fees | | | 236 | | | | 410 | | Accrued engineering fees | | | 55 | | | | 96 | | Accrued director compensation | | | 44 | | | | 44 | | Other accrued liabilities | | | 153 | | | | 228 | | | | $ | 3,828 | | | $ | 2,510 | |
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