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Note 3 - Inventories
12 Months Ended
Dec. 31, 2011
Inventory Disclosure [Text Block]
3. Inventories

Inventories consist of the following (in thousands):

   
December 31,
 
   
2011
   
2010
 
Work in progress
  $ 11,596     $ 11,559  
Finished goods
    8,508       14,230  
Total inventories
  $ 20,104     $ 25,789