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Inventories - Schedule of Inventory, Current (Details) - USD ($)	May 31, 2022	Feb. 28, 2022
Inventory Disclosure [Abstract]
Raw materials and subassemblies	$ 1,676,995	$ 1,439,465
Finished goods	858,885	918,318
Work in process	684,977	343,120
Total	3,220,857	2,700,903
Less: Allowance	(327,661)	(327,661)
Net inventories	$ 2,893,196	$ 2,373,242

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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