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INVENTORIES (Tables)
12 Months Ended
Feb. 28, 2022
Inventory Disclosure [Abstract]  
Inventories

Inventories consist of the following:

   February 28,
2022
   February 28,
2021
 
Raw materials and subassemblies  $1,439,465   $1,081,591 
Finished goods   918,318    786,785 
Work in process   343,120    1,027,010 
Total   2,700,903    2,895,386 
Less: Allowance   (327,661)   (284,280)
Net inventories  $2,373,242   $2,611,106