Additional Balance Sheet Information

6 Months Ended

Jun. 30, 2014

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Additional Balance Sheet Information

(4) Additional Balance Sheet Information:

Certain balance sheet amounts are comprised of the following:

(Thousands of dollars)	June 30, 2014			December 31, 2013
Accounts Receivable:
Joint interest billing	$	2,515		$	6,287
Trade receivables		1,911			2,014
Oil and gas sales		11,554			9,604
Other		213			122
		16,193			18,027
Less: Allowance for doubtful accounts		(334	)		(334	)
Total	$	15,859		$	17,693
Accounts Payable:
Trade	$	1,301		$	1,596
Royalty and other owners		9,930			7,391
Partner advances		3,150			3,378
Prepaid drilling deposits		330			978
Other		2,164			2,906
Total	$	16,875		$	16,249
Accrued Liabilities:
Compensation and related expenses	$	5,741		$	3,062
Property costs		5,323			3,119
Income tax		584			268
Other		477			383
Total	$	12,125		$	6,832