PLANT, PIPELINE AND EQUIPMENT (Tables)

9 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of Plant, Pipeline and Equipment

Plant, pipeline and equipment consisted of the following:

	September 30, 2020		December 31, 2019
	(thousands of dollars)
Platinum catalyst metal	$	1,580	$	1,580
Catalyst	4,328		4,095
Land	5,428		5,428
Plant, pipeline and equipment	266,128		258,651
Construction in progress	7,516		5,052
Total plant, pipeline and equipment	$	284,980	$	274,806
Less accumulated depreciation	(97,082)		(85,887)
Net plant, pipeline and equipment	$	187,898	$	188,919