Annual report pursuant to Section 13 and 15(d)

Collaborative, Licensing and Other Arrangements - Pfizer - Additional Information (Details)

v3.3.1.900
Collaborative, Licensing and Other Arrangements - Pfizer - Additional Information (Details) - Pfizer Inc. [Member] - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Dec. 03, 2015
Aug. 31, 2005
Dec. 31, 2015
Dec. 31, 2007
Collaborative Arrangement [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Milestone received under the collaboration agreement $ 3.8   $ 4.2  
Royalty right expiration period   10 years    
License Arrangement [Member]        
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]        
Proceeds from license fees received       $ 30.0