Supplemental Cash Flow Disclosures (Tables)

9 Months Ended

Sep. 30, 2014

Supplemental Cash Flow Disclosures [Abstract]

Supplemental cash flow disclosures

	Nine Months Ended September 30,
(in thousands)	2014			2013
Cash paid during the period for:
Interest payments	$	328		$	453
Non-cash transactions:
Increase in net asset retirement obligations	$	135		$	198
(Decrease) increase in accounts payable and accrued liabilities included in oil  and gas properties	$	(277	)	$	2,340
Receivables due from partners assumed in acquisition of partnership interests	$	2		$	10