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Cost of Sales (Tables)
12 Months Ended
Dec. 31, 2012
Cost Of Sales [Abstract]  
Composition of cost of sales by principal
 
      31.12.2012       31.12.2011  
                 
 
               
Purchases
  $ 802,028     $ 1,397,063  
Ending inventory of trade goods (-)
  $ 0     $ (55,689 )
Other Expenses
  $ 82,993     $ 0  
                 
Total
  $ 885,021     $ 1,341,374