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Quarterly Summarized Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2011
Quarterly Summarized Financial Information (Unaudited) | (15) Quarterly Summarized Financial Information (Unaudited)
|  | Fiscal year ended December 31, 2011 |
|  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
|  | (In thousands, except per share amounts) |
Revenue |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Net income (loss)(1) |  |  | 18,294 |  |  |  | (202,103 | ) |  |  | 96,345 |  |  |  | 18,338 |
Net income (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.15 |  |  | $ | (1.58 | ) |  | $ | 0.72 |  |  | $ | 0.14 |
Diluted |  | $ | 0.12 |  |  | $ | (1.58 | ) |  | $ | 0.62 |  |  | $ | 0.12 |
|  | Fiscal year ended December 31, 2010 |
|  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |
|  | (In thousands, except per share amounts) |
Revenue |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Net loss(2) |  |  | (9,211 | ) |  |  | (41,357 | ) |  |  | (11,209 | ) |  |  | (187,812 | )
Net loss per basic and diluted share: |  | $ | (0.09 | ) |  | $ | (0.42 | ) |  | $ | (0.11 | ) |  | $ | (1.82 | )
(1) | The net income generated in the first, third and fourth quarters of 2011 were due to the change in the fair value of the warrant derivative liability at each respective quarterly reporting period in 2011. As a result of a decrease in the Company’s stock price at each respective quarter end versus the previous quarter end, the value of the derivative liability decreased, resulting in non-cash income for change in the fair value of the warrant derivative. The loss in the second quarter of 2011 was also due primarily to the change in the fair value of the warrant derivative liability, which was due to the Company’s stock price increasing in value at June 30, 2011, versus March 31, 2011.
(2) | The increase in net loss in the fourth quarter of 2010 is primarily due to the change in the fair value of the warrant derivative liability as a result of the change in the Company’s stock price at December 31, 2010.

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 30 -Subparagraph a-j -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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