PREPAID EXPENSES AND OTHER ASSETS

3 Months Ended

Mar. 31, 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:

	March 31, 2017		December 31, 2016
	(thousands of dollars)
Prepaid license	$	1,919	$	1,919
Prepaid catalyst		124		187
Prepaid insurance		566		797
Other prepaid expenses and assets		872		608
Total	$	3,481	$	3,511