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Research and Development Expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2025
Feb. 29, 2024
Research and Development Expenses $ 6,864 $ 11,379
Machinery and Equipments [Member]    
Research and Development Expenses 64 1,142
Employee Compensation [Member]    
Research and Development Expenses 3,788 5,133
External Engineering [Member]    
Research and Development Expenses 1,493 2,353
Plant and Laboratory Operating Expenses [Member]    
Research and Development Expenses 870 2,318
Other [Member]    
Research and Development Expenses $ 649 $ 433