Supplemental Cash Flow Disclosure

6 Months Ended

12 Months Ended

Jun. 30, 2011

Dec. 31, 2010

Supplemental Cash Flow Disclosure

Supplemental Cash Flow Disclosure

Note 13 — Supplemental Cash Flow Disclosure

Supplemental cash flow disclosures for the six months ended June 30, 2011 and 2010 are presented below:

	Six Months Ended June 30,
(in thousands)	2011			2010
Cash paid during the period for:
Interest payments	$	170		$	231
Non-cash transactions:
Increase in net asset retirement obligations due to additions	$	102		$	4
Various assets acquired and liabilities assumed in acquisition (see Note 4)	$	6,635		$	—
Decrease in net asset retirement obligations due to sale of properties	$	—		$	(513	)
Decrease in accounts payable and accrued liabilities included in oil and gas properties	$	(194	)	$	(421	)
Offering costs included in accounts payable	$	1,756		$	—
Net assets transferred from oil and gas properties to investment in affiliate	$	463		$	—
Increase in interest receivable on promissory note	$	—		$	9

Note 15 — Supplemental Cash Flow Disclosure

Supplemental cash flow disclosures for the years ended December 31, 2010 and 2009 are presented below:

	Year Ended December 31, 2010			Year Ended December 31, 2009
Cash paid for interest payments	$	330,000		$	1,167,000
Income taxes paid	$	620,000		$	—
Non-cash transactions:
(Decrease) increase in net asset retirement obligations	$	(415,000	)	$	36,000
Decrease in accounts payable and accrued liabilities included in oil and gas properties	$	(162,000	)	$	(166,000	)
Increase in interest receivable on promissory note	$	39,000		$	37,000
Settlement of promissory note and surrender of shares	$	694,000		$	—
Income attributed to non-controlling interests	$	941,000		$	—