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Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2012

Selected Quarterly Financial Data

16.    Selected Quarterly Financial Data (Unaudited; in thousands, except per share amounts)

		Year Ended December 31, 2012
		Q1				Q2				Q3				Q4
Revenues		$	2,350			$	2,684			$	2,874			$	1,806
Net loss		$	(16,505	)		$	(15,110	)		$	(17,791	)		$	(20,543	)
Basic and diluted net loss per share		$	(0.11	)		$	(0.09	)		$	(0.10	)		$	(0.11	)
Shares used to compute basic and diluted net loss per share			155,431				167,697				177,870				180,685

		Year Ended December 31, 2011
		Q1				Q2				Q3				Q4
Revenues		$	1,744			$	7,269			$	1,174			$	11,427
Net loss		$	(18,466	)		$	(10,635	)		$	(15,229	)		$	(4,267	)
Basic and diluted net loss per share		$	(0.16	)		$	(0.09	)		$	(0.12	)		$	(0.03	)
Shares used to compute basic and diluted net loss per share			115,726				117,864				124,069				142,482

X

- 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 FASB

-Name Accounting Standards Codification

-Topic 270

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)-(j)

-URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section G

-Subsection 1



Reference 3: 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 4: 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: 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 6: 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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-K (SK)

-Number 229

-Section 302

-Paragraph a

+ Details

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