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Purchase Concentrations (Tables)
 9 Months Ended
Sep. 30, 2012
Purchase Concentrations [Abstract]  
Summary of concentration of initial purchase cost
                 
    Nine Months Ended
September 30, 2012		  
  Cost     %  

Seller 1

   $ 130,592       31.9 % 

Seller 2

     81,843       20.0 % 

Seller 3

     59,527       14.6 % 

Seller 4

     30,469       7.5 % 

Seller 5

     30,418       7.4 % 

Other sellers

     75,908       18.6 % 
   

 

 

    

 

 

  
    $ 408,757       100.0 % 

Adjustments (1)

     (334 )         
   

 

 

          

Purchases, net

   $ 408,423          
   

 

 

          

 

(1) 

Adjusted for Put-backs and Recalls.