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Note 4 - Inventories (Tables)
3 Months Ended
May 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
May 30,
   
February 28,
 
   
2021
   
2021
 
                 
Inventories:
 
 
 
 
 
 
 
 
Raw materials
  $
3,624
    $
3,490
 
Work-in-process
   
370
     
147
 
Finished goods
   
949
     
1,157
 
   
$
4,943
   
$
4,794