Discontinued Operations and Assets Held for Sale (Tables)

9 Months Ended

Sep. 30, 2017

Discontinued Operations and Assets Held for Sale [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months			Nine Months
	Ended September 30,			Ended September 30,
(Thousands of dollars)		2017	2016	2017	2016
Revenues (costs)	$	598	5	853	1,454
Income (loss) before income taxes		425	(1,593)	1,177	(885)
Income tax benefit		–	–	–	–
Income (loss) from discontinued operations	$	425	(1,593)	1,177	(885)

Major Categories of Assets and Liabilities Reflected as Held for Sale

		September 30,	December 31,
(Thousands of dollars)		2017	2016
Current assets
Cash	$	17,030	4,126
Accounts receivable		6,218	22,944
Total current assets held for sale	$	23,248	27,070
Current liabilities
Accounts payable	$	605	270
Refinery decommissioning cost		2,665	2,506
Total current liabilities associated with assets held for sale	$	3,270	2,776
Non-current liabilities
Asset retirement obligation - Seal asset	$	–	85,900