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Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Inventory, Current [Table Text Block]
   
June 30,
2012
   
December 31,
2011
 
Work in progress
  $ 18,880     $ 11,596  
Finished goods
    10,575       8,508  
Total inventories
  $ 29,455     $ 20,104