Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Revenue:        
Royalty revenue $ 190   $ 683  
License fee revenue    625    6,875
Milestone revenue 10,000    10,000   
Other revenue 250    250   
Total revenue 10,440 625 10,933 6,875
Operating expense:        
Research and development 3,057 2,668 8,273 7,922
General and administrative 2,483 2,919 7,998 8,045
Total operating expense 5,540 5,587 16,271 15,967
Income(Loss) from operations 4,900 (4,962) (5,338) (9,092)
Interest and other income (expense), net (45) (29) (124) (84)
Net income ( loss) 4,855 (4,991) (5,462) (9,176)
Net income (loss) per share:        
Basic $ 0.26 $ (0.37) $ (0.33) $ (0.68)
Diluted $ 0.25 $ (0.37) $ (0.33) $ (0.68)
Weighted average shares outstanding        
Basic 18,568 13,522 16,523 13,491
Diluted 19,232 13,522 16,523 13,491
Comprehensive income (loss) $ 4,862 $ (4,996) $ (5,485) $ (9,142)