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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