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Additional Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Balance Sheet Amounts

Accounts receivable at December 31, 2014 and 2013 consisted of the following:

		December 31,
(Thousands of dollars)		2014				2013
Joint interest billings		$	2,882			$	6,287
Trade receivables			1,980				2,014
Oil and gas sales			6,245				9,604
Other			1,751				122
			12,858				18,027
Less: Allowance for doubtful accounts			(543	)			(334	)
Total		$	12,315			$	17,693

Accounts payable at December 31, 2014 and 2013 consisted of the following:

		December 31,
(Thousands of dollars)		2014				2013
Trade		$	3,995			$	1,596
Royalty and other owners			8,444				7,391
Partner advances			1,344				3,378
Prepaid drilling deposits			786				978
Other			1,689				2,906
Total		$	16,258			$	16,249

Accrued liabilities at December 31, 2014 and 2013 consisted of the following:

		December 31,
(Thousands of dollars)		2014				2013
Compensation and related expenses		$	2,350			$	3,062
Property costs			9,204				3,119
Income tax			554				268
Other			293				383
Total		$	12,401			$	6,832

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Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations.

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