TRADE RECEIVABLES (Tables)

3 Months Ended

Mar. 31, 2015

TRADE RECEIVABLES [Abstract]

Trade Receivables

Trade receivables, net, consisted of the following:

	March 31, 2015			December 31, 2014
	(thousands of dollars)
Trade receivables	$	25,718		$	28,481
Less allowance for doubtful accounts		(210	)		(210	)
Trade receivables, net	$	25,508		$	28,271