v3.22.4
Research and Development Expenses (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2022
Nov. 30, 2021
Research and development expenses $ 4,581,552 $ 6,835,304 $ 15,133,191 $ 20,757,937
Machinery and Equipments [Member]        
Research and development expenses 1,059,266 2,599,758 4,132,575 7,707,882
Employee Compensation [Member]        
Research and development expenses 1,994,594 1,786,765 6,349,659 5,365,581
External Engineering [Member]        
Research and development expenses 707,113 1,585,512 2,913,567 5,040,342
Plant and Laboratory Operating Expenses [Member]        
Research and development expenses 915,951 665,893 2,365,643 2,064,403
Tax credit [Member]        
Research and development expenses 299,793 97,480 1,207,415 54,911
Other [Member]        
Research and development expenses $ 204,421 $ 99,896 $ 579,162 $ 634,640