TRADE RECEIVABLES (Tables)

3 Months Ended

Mar. 31, 2016

TRADE RECEIVABLES [Abstract]

Trade Receivables

Trade receivables, net, consisted of the following:

	March 31, 2016			December 31, 2015
	(thousands of dollars)
Trade receivables	$	19,079		$	19,684
Less allowance for doubtful accounts		(300	)		(210	)
Trade receivables, net	$	18,779		$	19,474