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Cost of Sales
 12 Months Ended
Dec. 31, 2011
Cost Of Sales [Abstract]  
Cost Of Sales [Text Block]
15.  
COST OF SALES
 
The composition of cost of sales by principal for the periods ended December 31, 2011 and 2010 can be summarized as follows:
 
    31.12.2011   31.12.2010 
          
Beginning inventory of trade goods
        
Purchases
 $1,397,063  $2,502,037 
Ending inventory of trade goods (-)
  (55,689)    
          
Total
 $1,341,374  $2,502,037