Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Data (Unaudited) [Abstract]

(8)	Quarterly Financial Data (Unaudited)

Set forth below is selected quarterly financial data for each of the quarters in the years ended December 31, 2011 and 2010.

	2011 Quarters Ended
(in thousands except per share amounts)	March 31			June 30			September 30			December 31
Operating loss	$	(7,814	)	$	(10,486	)	$	(12,181	)	$	(15,974	)
Derivative instrument income		5,966			5,027			3,872			702
Net loss		(1,848	)		(5,459	)		(8,309	)		(15,268	)
Basic and diluted loss per share		(0.04	)		(0.13	)		(0.18	)		(0.32	)

	2010 Quarters Ended
(in thousands except per share amounts)	March 31			June 30			September 30			December 31
Operating loss	$	(5,487	)	$	(8,305	)	$	(7,421	)	$	(9,529	)
Derivative instrument (expense) income		(8,688	)		635			(2,112	)		(5,787	)
Net loss		(14,174	)		(7,668	)		(9,530	)		(15,312	)
Basic and diluted loss per share		(0.39	)		(0.21	)		(0.24	)		(0.36	)

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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