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TRADE ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2014
Trade Accounts Receivable Tables  
Trade accounts receivable

As of December 31, 2014 and 2013, trade accounts receivable were as follows (in thousands):

 

    2014     2013  
             
Trade accounts receivable   $ 2,125     $ 2,029  
Less: allowance for doubtful accounts     (133 )     (39 )
Trade accounts receivable, net     1,992       1,990