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TRADE ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2013
Trade Accounts Receivable Tables  
Trade accounts receivable

As of December 31, 2013 and 2012, trade accounts receivable were as follows (in thousands):

 

    2013     2012  
Trade accounts receivable   $ 2,029     $ 2,906  
Less: allowance for doubtful accounts     (39 )     (32 )
                 
Trade accounts receivable, net   $ 1,990     $ 2,874