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TRADE ACCOUNTS RECEIVABLE
12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
TRADE ACCOUNTS RECEIVABLE
TRADE ACCOUNTS RECEIVABLE 

Trade accounts receivable consisted of the following:
(In thousands)
December 31, 2016
 
December 31, 2015
Trade accounts receivable
$
4,851

 
$
3,117

Less: allowance for doubtful accounts
(118
)
 
(192
)
Trade accounts receivable, net
4,733

 
2,925