Annual report pursuant to Section 13 and 15(d)

Revenue (Details)

v3.3.1.900
Revenue (Details) - USD ($)
1 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2015
Revenue    
Collaboration revenue   $ 6,250,000
Allergan    
Revenue    
Collaboration revenue   $ 6,300,000
Nonrefundable upfront fee $ 10,000,000