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Accounts Receivable (Table)
6 Months Ended
Jun. 30, 2012
Receivables [Abstract]  
Accounts receivable
 
   
June 30, 2012
   
December 31, 2011
 
Gross accounts receivable
  $ 1,353,439     $ 1,057,696  
Allowance
    (67,682 )     (50,861 )
Accounts receivable – net
  $ 1,285,757     $ 1,006,835