Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands |
May 31, 2023 |
Feb. 28, 2023 |
|---|---|---|
| Accounts Payable and Accrued Liabilities | ||
| Trade Accounts Payable | $ 1,534 | $ 1,020 |
| Accrued machinery and equipment expenses | 1,225 | 0 |
| 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 |
| Accounts Payable And Accrued Liabilities | $ 3,828 | $ 2,510 |