PREPAID EXPENSES AND OTHER ASSETS

6 Months Ended

Jun. 30, 2017

PREPAID EXPENSES AND OTHER ASSETS [Abstract]

PREPAID EXPENSES AND OTHER ASSETS

4. PREPAID EXPENSES AND OTHER ASSETS

Prepaid expenses and other assets consisted of the following:

	June 30, 2017		December 31, 2016
	(thousands of dollars)
Prepaid license	$	1,919	$	1,919
Prepaid catalyst		93		187
Prepaid insurance		637		797
Other prepaid expenses and assets		925		608
Total	$	3,574	$	3,511