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Disclosure of Supplemental Cash Flow Information (Tables)
 9 Months Ended
Sep. 30, 2012
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
   
Nine Months Ended
September 30,
 
   
2012
   
2011
 
   
(unaudited)
 
Cash paid during the period
           
             
Interest paid
  $ 5,622     $ 3,089  
Income taxes paid
  $ 6,170     $ 8,852  
                 
                 
Details of acquisition
               
                 
Fair value of CTI assets acquired
  $ -     $ 215,817  
Fair value of CTI liabilities acquired
    -       55,961  
Cash paid
    -       159,856  
Less: Cash acquired
    -       11,097  
Net cash paid for CTI acquisition
  $ -     $ 148,759