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Inventories - Schedule of Inventory, Current (Details) - USD ($)	Aug. 31, 2021	Feb. 28, 2021
Inventory Disclosure [Abstract]
Raw materials and subassemblies	$ 1,299,693	$ 1,081,591
Finished goods	580,383	786,785
Work in process	1,303,140	1,027,010
Total	3,183,216	2,895,386
Less: Allowance	(259,361)	(284,280)
Net inventories	$ 2,923,855	$ 2,611,106

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