XML 61 R52.htm IDEA: XBRL DOCUMENT v3.22.2
Inventories (Details) - Schedule of inventories - USD ($)
Feb. 28, 2022
Feb. 28, 2021
Schedule of inventories [Abstract]    
Raw materials $ 129,836 $ 91,739
Work-in-process 14,421
Finished goods 2,427
Total inventory $ 144,257 $ 94,166