Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Collaborative Arrangements (Details)

v2.4.0.8
Collaborative Arrangements (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Research and development, net $ 13,514 $ 4,067 $ 34,640 $ 12,576
Collaborative Arrangement [Member]
       
Research and development, net $ 900 $ 438 $ 2,900 $ 755