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Trade Receivables
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Trade Receivables
Trade Receivables
 
Trade receivables are comprised of the following (in thousands): 
 
 
December 31,
 
 
2016
 
2015
Trade Receivables
 
$
12,874

 
$
10,551

Less: Allowance for Doubtful Accounts
 
(366
)
 
(545
)
Trade Receivables, Net
 
$
12,508

 
$
10,006