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

The following table presents the components of accounts receivable:

 

 

 

June 30,

 

 

December 31,

 

 

 

2018

 

 

2017

 

 

 

(In thousands)

 

 

 

(unaudited)

 

 

 

 

 

Gross accounts receivable

 

$

2,283

 

 

$

1,609

 

Allowance for uncollectible accounts

 

 

(73

)

 

 

(73

)

Total accounts receivable, net

 

$

2,210

 

 

$

1,536