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Note 4 - Inventories (Tables)
6 Months Ended
Aug. 26, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
August 26,
   
February 25,
 
   
2018
   
2018
 
Inventories:
 
 
 
 
 
 
 
 
Raw materials
  $
2,570
    $
2,824
 
Work-in-process
   
265
     
159
 
Finished goods
   
1,159
     
972
 
   
$
3,994
   
$
3,955