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Note 4 - Inventories (Tables)
6 Months Ended
Aug. 28, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

August 28,

   

February 27,

 
   

2022

   

2022

 
Inventories:                

Raw materials

  $ 6,744     $ 4,026  

Work-in-process

    401       253  

Finished goods

    705       378  
    $ 7,850     $ 4,657