v2.4.0.6
Consolidated Statements of Operations (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Consolidated Statements of Operations [Abstract]      
License fees $ 1,002 $ 4 $ 129
Grant revenue 0 0 1,044
Other expanded access program income, net 3,415 6,917 9,200
Total revenues 4,417 6,921 10,373
Operating expenses:      
Research and development 27,917 4,757 9,207
General and administrative 12,229 10,256 9,840
Impairment Loss 25,990 0 0
Total operating expenses 66,136 15,013 19,047
Operating loss (61,719) (8,092) (8,674)
Investment income 2,064 1,845 808
Interest expense (10) (109) (781)
Gain on sale of asset, net 1 0 127,474
(Loss) income before income taxes (59,664) (6,356) 118,827
Income tax expense 0 78 477
Net (loss) income (59,664) (6,434) 118,350
Less: accretion of beneficial conversion charge (9,175) 0 0
Net (loss) income attributable to common stockholders $ (68,839) $ (6,434) $ 118,350
Basic net (loss) income attributable to common stockholders per common share (in dollars per share) $ (2.95) $ (0.49) $ 9.31
Weighted average basic common shares outstanding (in shares) 23,348 13,250 12,712
Diluted net (loss) income attributable to common stockholders per common share (in dollars per share) $ (2.95) $ (0.49) $ 9.30
Weighted average diluted common shares outstanding (in shares) 23,348 13,250 12,727