Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2017

Discontinued Operations [Abstract]

Results of Operations Associated with Discontinued Operations

	Three Months
	Ended March 31,
(Thousands of dollars)		2017	2016
Revenues	$	1,022	683
Income before income taxes		969	683
Income tax benefit		–	–
Income from discontinued operations	$	969	683

Major Categories of Assets and Liabilities Reflected as Held for Sale

	March 31,		December 31,
(Thousands of dollars)	2017		2016
Current assets
Cash	$	16,340	4,126
Accounts receivable		9,145	22,944
Total current assets held for sale	$	25,485	27,070
Current liabilities
Accounts payable	$	367	270
Refinery decommissioning cost		2,449	2,506
Total current liabilities associated with assets held for sale	$	2,816	2,776