Annual report pursuant to Section 13 and 15(d)

SELECTED QUARTERLY FINANCIAL DATA

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SELECTED QUARTERLY FINANCIAL DATA
12 Months Ended
Dec. 31, 2012
SELECTED QUARTERLY FINANCIAL DATA  
SELECTED QUARTERLY FINANCIAL DATA

12. SELECTED QUARTERLY FINANCIAL DATA

 
  (unaudited, in thousands, except per share amounts)  
 
  Year Ended December 31, 2012   Year Ended December 31, 2011  
 
  Q1   Q2   Q3   Q4   Q1   Q2   Q3   Q4  

Revenue

  $ 750   $ 1,500   $   $   $   $ 395   $ 4,355   $  

Net loss

  $ (23,174 ) $ (24,738 ) $ (25,456 ) $ (25,472 ) $ (20,781 ) $ (21,474 ) $ (17,931 ) $ (25,787 )

Net loss per share, basic and diluted

  $ (0.32 ) $ (0.35 ) $ (0.36 ) $ (0.30 ) $ (0.40 ) $ (0.37 ) $ (0.25 ) $ (0.36 )

Weighted average shares used in computing net loss per share, basic and diluted

    71,422     71,458     71,636     85,274     52,275     58,272     71,226     71,249