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Note 4 - Inventories (Tables)
3 Months Ended
May. 31, 2015
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
May 31,
   
March 1,
 
 
 
2015
   
2015
 
Inventories:
 
 
 
 
 
 
 
 
Raw materials
  $ 7,187     $ 7,376  
Work-in-process
    2,923       3,114  
Finished goods
    4,028       3,605  
Manufacturing supplies
    395       344  
 
 
$
14,533
 
 
$
14,439