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Note 4 - Inventories (Tables)
9 Months Ended
Nov. 28, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

November 28,

   

February 28,

 
   

2021

   

2021

 

Inventories:

               

Raw materials

  $ 4,136     $ 3,490  

Work-in-process

    272       147  

Finished goods

    767       1,157  
    $ 5,175     $ 4,794