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Sales (Tables)
 12 Months Ended
Dec. 31, 2012
Sales [Abstract]  
Composition of sales by principal
 
      31.12.2012       31.12.2011  
                 
Interactive Whiteboards
   $ 484,063     $ 1,093,173  
Electronic Parts
   $ 0     $ 416,336  
Voting Systems
   $ 0     $ 4,738  
Wireless Tablets
   $ 4,977     $ 5,500  
LCD Components
   $ 0     $ 615  
Interactive LCD/LED
   $ 689,648     $ 0  
                 
Others
   $ 81,961     $ 75,581  
Delivery Income
   $ 29,990       38,871.00  
Returns (-)
   $ (2,930 )   $ 0  
                 
Total
   $ 1,287,709     $ 1,595,943