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Schedule of inventory, current (Details) - USD ($)
Feb. 29, 2024
Feb. 28, 2023
Inventory Disclosure [Abstract]    
Raw materials and subassemblies $ 2,270,567 $ 1,868,689
Finished goods 1,785,952 613,915
Work in process 1,165,461 760,305
Total $ 5,221,980 $ 3,242,909