Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income (loss)	$ (11,161)	$ 3,670
Adjustments to reconcile net income (loss) to cash provided by operations
Depreciation, depletion and amortization	14,794	13,727
Stock-based compensation	1,091	1,341
Amortization of deferred loan costs	797	848
Change in fair value of derivative financial instruments	19,314	11,160
Litigation reserve		9,600
Loss (gain) on disposal of assets	157	(12,357)
Gain on forgiveness of debt	(255)	(1,647)
Loss from equity investment	2,467
Other non-cash changes to net income	259	(100)
Change in assets and liabilities
Receivables	4,039	(426)
Payables	(6,591)	(2,859)
Other	1,757	(1,486)
Net cash flows from operating activities	26,668	21,471
Cash flows from investing activities
Restricted cash		28
Proceeds from sale of assets	293	10,682
Equipment, development, leasehold and pipeline	(8,998)	(15,287)
Net cash flows from investing activities	(8,705)	(4,577)
Cash flows from financing activities
Proceeds from Issuance of common stock	7,514
Equity issuance costs	(76)
Repayment of debt	(25,645)	(16,319)
Net cash flows from financing activities	(18,207)	(16,319)
Net increase (decrease) in cash	(244)	575
Cash and equivalents - beginning of period	349	730
Cash and equivalents - end of period	$ 105	$ 1,305