Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2017

Discontinued Operations [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months			Six Months
	Ended June 30,			Ended June 30,
(Thousands of dollars)		2017	2016	2017	2016
Revenues	$	717	151	1,739	835
Income (loss) before income taxes		(217)	25	752	708
Income tax benefit		–	–	–	–
Income (loss) from discontinued operations	$	(217)	25	752	708

Major Categories of Assets and Liabilities Reflected as Held for Sale

	June 30,		December 31,
(Thousands of dollars)	2017		2016
Current assets
Cash	$	13,050	4,126
Accounts receivable		9,195	22,944
Total current assets held for sale	$	22,245	27,070
Current liabilities
Accounts payable	$	508	270
Refinery decommissioning cost		2,444	2,506
Total current liabilities associated with assets held for sale	$	2,952	2,776