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Accounts Receivable (Tables)
 6 Months Ended
Jun. 30, 2018
Receivables [Abstract]  
Composition of Accounts Receivable, Net

The following table presents the composition of accounts receivable, net as of June 30, 2018 and December 31, 2017 (in thousands):

 

 

 

June 30,

2018

 

 

December 31,

2017

 

Gross accounts receivable - trade

 

$

5,149

 

 

$

4,684

 

Less: Allowances for doubtful accounts

 

 

(425

)

 

 

(417

)

Accounts receivable, net

 

$

4,724

 

 

$

4,267