XML 73 R48.htm IDEA: XBRL DOCUMENT v3.6.0.2
Collaboration arrangements and concentration of credit risk - BMS (Details)
$ in Thousands
12 Months Ended
Jul. 31, 2015
USD ($)
May 21, 2015
USD ($)
Dec. 31, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Apr. 06, 2015
USD ($)
Collaboration arrangements            
License revenues     $ 975      
Collaboration revenues     7,164      
Collaboration arrangement | BMS            
Collaboration arrangements            
Fair value of derivative asset           $ 10,100
Collaborative revenue | BMS            
Collaboration arrangements            
Collaboration revenues     $ 13,000 $ 2,300 $ 0  
License revenue | BMS            
Collaboration arrangements            
Number of potential targets included in collaborative agreement | item     10      
Deferred Revenue   $ 60,100        
Up-front payment received   50,000        
Fair value of derivative asset   $ 10,100        
Expected performance term (in years)     19 years      
License revenues     $ 3,900 $ 2,400 $ 0  
Royalty term after the first commercial sale     10 years      
License revenue | BMS | Minimum            
Collaboration arrangements            
Royalties percentage receivable     high single digit      
License revenue | BMS | Maximum            
Collaboration arrangements            
Royalties percentage receivable     low double- digit      
License revenue | BMS | First Target Selection            
Collaboration arrangements            
Milestone payments to be received upon achievement     $ 254,000      
License revenue | BMS | Second, Third, and Fourth Targets Selection            
Collaboration arrangements            
Target designation payment received $ 15,000          
License revenue | BMS | Fifth through Tenth Targets Selection            
Collaboration arrangements            
Maximum target designation payments to which entitled per agreement     16,500      
License revenue | BMS | Other Selected Targets            
Collaboration arrangements            
Milestone payments to be received upon achievement     $ 217,000