Discontinued Operations and Assets Held for Sale (Tables)

12 Months Ended

Dec. 31, 2018

Discontinued Operations and Assets Held for Sale [Abstract]

Major Categories of Assets and Liabilities Reflected as Held for Sale

(Thousands of dollars)	2018		2017
Current assets
Cash	$	17,219	16,631
Accounts receivable		3,728	6,298
Total current assets held for sale	$	20,947	22,929
Current liabilities
Accounts payable	$	106	837
Refinery decommissioning cost		2,658	2,693
Total current liabilities associated with assets held for sale	$	2,764	3,530

Results of Operations Associated with Discontinued Operations

(Thousands of dollars)	2018		2017	2016
Revenues	$	6	854	1,464
Loss from operations before income taxes	$	(3,522)	(853)	(2,027)
Loss on sale before income taxes		–	–	–
Total loss from discontinued operations before taxes		(3,522)	(853)	(2,027)
Income tax expense		–	–	–
Loss from discontinued operations	$	(3,522)	(853)	(2,027)