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TRADE ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Trade accounts receivable
Trade accounts receivable consisted of the following:
(In thousands)
December 31,
2017
 
December 31,
2016
Trade accounts receivable
$
5,061

 
$
4,851

Less: allowance for doubtful accounts
(204
)
 
(118
)
Trade accounts receivable, net
4,857

 
4,733