TRADE RECEIVABLES

9 Months Ended

Sep. 30, 2015

3. TRADE RECEIVABLES

Trade receivables, net, consisted of the following:

	September 30, 2015			December 31, 2014
	(thousands of dollars)
Trade receivables	$	23,040		$	28,481
Less allowance for doubtful accounts		(210	)		(210	)
Trade receivables, net	$	22,830		$	28,271

Trade receivables serve as collateral for our amended and restated loan agreement. See Note 8.