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Future minimum lease payments (Details)
$ in Thousands
Feb. 28, 2022
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2023 $ 509
2024 465
2025 379
2026 319
2027 101
Total undiscounted liabilities 1,773
Less: imputed interest (123)
Total operating lease liabilities (including current portion) $ 1,650