Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (Unaudited) (Details)

v2.4.0.6
Quarterly Financial Information (Unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Quarterly Financial Information (Unaudited)                      
Collaboration revenue $ 9,780 $ 6,570 $ 2,429 $ 1,316 $ 1,236 $ 1,174 $ 1,887 $ 1,199 $ 20,095 $ 5,496 $ 13,616
Research and development 15,645 12,895 6,326 5,082 7,477 3,814 5,409 4,853 39,948 21,553 18,483
General and administrative 2,042 1,965 2,047 1,737 1,731 1,457 1,471 1,571 7,791 6,230 5,840
Restructuring gain (1,657)                      (1,657)   4,038
Total expenses 16,030 14,860 8,373 6,819 9,208 5,271 6,880 6,424 46,082 27,783 28,361
Other income (expense) 2,147 2,370 1,729 (1,357) (1,596) 8,567 (1,537) 2,180 4,889 7,614 (839)
Net loss attributable to common shareholders $ (4,103) $ (5,920) $ (4,215) $ (6,860) $ (9,568) $ 4,470 $ (6,530) $ (3,045) $ (21,098) $ (14,673) $ (12,584)
Basic and diluted net loss per common share $ (0.28) $ (0.40) $ (0.29) $ (0.67)         $ (1.56) $ (1.51) $ (1.79)
Basic net income (loss) per share         $ (0.98) $ 0.46 $ (0.67) $ (0.31)      
Diluted net income (loss) per share         $ (0.98) $ 0.45 $ (0.67) $ (0.31)