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Accounts Receivable, Net - Schedule of Accounts Receivable Net (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Dec. 31, 2014
Accounts Receivable Net [Abstract]            
Accounts receivable $ 16,392   $ 16,080      
Allowance for doubtful accounts (397) $ (422) (381) $ (478) $ (357) $ (282)
Net accounts receivable $ 15,995   $ 15,699