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Inventories (Tables)
12 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Summary of inventories
 
      31.12.2012       31.12.2011  
                 
                 
Trade goods
  $ 111,461     $ 55,689  
Advances given for purchases
  $ 0     $ 0  
                 
Total
  $ 111,461     $ 55,689