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Research and Development - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2022
Aug. 31, 2021
Research and Development [Abstract]        
Research and development expense $ 2,528 $ 3,624 $ 5,097 $ 5,945