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Accounts Receivable
9 Months Ended
Sep. 30, 2014
Accounts Receivable, Net [Abstract]  
Accounts Receivable
Accounts Receivable
Accounts receivable consist of the following:
 
 
September 30,
2014
 
December 31,
2013
Trade customers
 
$
576,735

 
$
410,302

Affiliates
 
631

 
315

Allowance for doubtful accounts
 
(13,772
)
 
(11,741
)
 
 
563,594

 
398,876

Federal and state taxes
 
5,374

 
20,820

Other
 
23,996

 
8,761

Accounts receivable, net
 
$
592,964

 
$
428,457