CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
Revenue	$ 127,741	$ 110,915
Cost of goods sold before depreciation, depletion and amortization	111,157	98,665
Selling, general and administrative expenses	14,522	13,643
Depreciation, depletion and amortization	4,854	3,622
Loss (gain) on sale of assets	5	(591)
Loss from operations	(2,797)	(4,424)
Interest expense, net	(2,772)	(2,869)
Derivative loss	(18,446)	(3,391)
Gain on extinguishment of debt	4,310	0
Other income, net	498	531
Loss from continuing operations before income taxes	(19,207)	(10,153)
Income tax benefit (expense)	5,197	(188)
Loss from continuing operations	(14,010)	(10,341)
(Loss) income from discontinued operations, net of taxes	(354)	111
Net loss	$ (14,364)	$ (10,230)
(Loss) income per share:
Loss from continuing operations (usd per share)	$ (1.13)	$ (0.85)
(Loss) income from discontinued operations, net of taxes (usd per share)	$ (0.03)	$ 0.01
Net loss per share – basic and diluted (usd per share)	$ (1.16)	$ (0.84)
Weighted average shares outstanding:
Basic and diluted (shares)	12,359	12,140