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Income Tax (Tables)
6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]  
Significant components of the Company’s deferred tax asset
 
   
June 30,
   
December 31,
 
   
2012
   
2011
 
   
 
       
Deferred tax asset
           
Allowance for doubtful accounts
  $ 46,532     $ 46,042