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Note 4 - Inventories
3 Months Ended
May. 31, 2015
Notes to Financial Statements  
Inventory Disclosure [Text Block]
4
.     INVENTORIES
 
Inventories are stated at the lower of cost (first-in, first-out method) or market. The Company writes down its inventory for estimated obsolescence or unmarketability based upon the age of the inventory and assumptions about future demand for the Company's products and market conditions. Inventories consisted of the following:
 
 
 
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