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Trade Receivables
 6 Months Ended
Jun. 30, 2016
Receivables [Abstract]  
Trade Receivables
Trade Receivables.
 
Trade receivables are comprised of the following (in thousands):
 
 
 
June 30, 2016
 
December 31, 2015
Trade Receivables
 
$
11,243

 
$
10,551

Less: Allowance for Doubtful Accounts
 
(565
)
 
(545
)
Trade Receivables, Net
 
$
10,678

 
$
10,006