Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF OPERATIONS

v2.4.0.6
CONDENSED STATEMENTS OF OPERATIONS (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Contract revenues from collaborations $ 750 $ 0
Costs and expenses:    
Research and development 17,904 15,106
General and administrative 6,156 5,754
Total costs and expenses 24,060 20,860
Loss from operations (23,310) (20,860)
Interest income 136 90
Interest expense 0 (11)
Net loss $ (23,174) $ (20,781)
Net loss per share, basic and diluted (in dollars per share) $ (0.32) $ (0.40)
Weighted average shares used in computing net loss per share, basic (in shares) 71,422 52,275
Weighted average shares used in computing net loss per share, diluted (in shares) 71,422 52,275