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Accounts Receivable and Other Receivables (Tables)
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
Accounts Receivable, Net
Accounts receivable balances consisted of the following (in thousands):
 
December 31,
2015
 
December 31,
2014
Accounts receivable, gross
$
61,045

 
$
43,969

Less: allowance for doubtful accounts
(103
)
 
(124
)
Accounts receivable, net
$
60,942

 
$
43,845
Allowance for Doubtful Accounts
Accounts receivable at December 31, 2015 and 2014 consisted of sales to the Company’s customers which are generally based on standard terms and conditions. The Company recorded the following activity in allowance for doubtful accounts (in thousands):
 
For the Years Ended
December 31,
2015
 
2014
 
2013
Allowance for doubtful accounts, beginning of the year
$
124

 
$
348

 
$
779

Charged to costs and expenses
(17
)
 
(75
)
 
(310
)
Less: write-offs, net of recoveries
(4
)
 
(149
)
 
(121
)
Remaining allowance, end of the year
$
103

 
$
124

 
$
348