XML 27 R10.htm IDEA: XBRL DOCUMENT v3.19.1
TRADE ACCOUNTS RECEIVABLE
12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
TRADE ACCOUNTS RECEIVABLE
TRADE ACCOUNTS RECEIVABLE 

Trade accounts receivable consisted of the following:
(In thousands)
December 31,
2018
 
December 31,
2017
Trade accounts receivable
$
5,443

 
$
5,061

Less: allowance for doubtful accounts
(428
)
 
(204
)
Trade accounts receivable, net
$
5,015

 
$
4,857