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Note 4 - Inventories (Tables)
9 Months Ended
Nov. 30, 2014
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
November 30,
   
March 2,
 
 
 
2014
   
2014
 
                 
Inventories:
 
 
 
 
 
 
 
 
                 
Raw materials
  $ 7,434     $ 7,253  
Work-in-process
    2,788       3,097  
Finished goods
    3,637       3,223  
Manufacturing supplies
    338       298  
 
 
$
14,197
 
 
$
13,871