PREPAID EXPENSES AND OTHER ASSETS (Tables)

6 Months Ended

Jun. 30, 2019

Prepaid expenses and other assets consisted of the following:



	June 30, 2019		December 31, 2018
	(thousands of dollars)
Prepaid license	$	1,612	$	2,419
Spare parts	1,667		1,597
Other prepaid expenses and assets	672		648
Total prepaid expenses and other assets	$	3,951	$	4,664