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Accounts Receivable
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Accounts Receivable
Accounts Receivable
The components of accounts receivable are as follows:
 
As of December 31,
 
2016
2015
Accounts receivable, gross
$
62,782

$
54,696

Less: Allowance for doubtful accounts
(170
)
(133
)
Accounts receivable, net
$
62,612

$
54,563