Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands |
Aug. 31, 2023 |
Feb. 28, 2023 |
|---|---|---|
| Accounts Payable and Accrued Liabilities | ||
| Trade Accounts Payable | $ 283 | $ 1,020 |
| Accrued Employee Compensation | 863 | 712 |
| Accrued Professional Fees | 556 | 410 |
| Accrued insurance premiums | 171 | 70 |
| Accrued Engineering Fees | 20 | 96 |
| Other Accrued Liabilities | 105 | 202 |
| Accounts Payable And Accrued Liabilities | $ 1,998 | $ 2,510 |