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Note 3 - Inventories
6 Months Ended
Jun. 30, 2012
Inventory Disclosure [Text Block]
3. Inventories

The components of inventories at June 30, 2012 and December 31, 2011 are as follows (in thousands):

   
June 30, 2012
   
December 31, 2011
 
Raw material
  $ 25,916     $ 26,919  
Work in process
    16,172       10,704  
Finished goods
    38,741       37,952  
Total inventories
  $ 80,829     $ 75,575