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Note 4 - Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Inventory, Current [Table Text Block]
   
As of December 31,
 
   
2012
   
2011
 
Unprocessed
  $ 215,526     $ 207,301  
Processed and finished
    74,497       70,464  
Totals
  $ 290,023     $ 277,765