Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Operating Leases (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Operating Leases (Details)
1 Months Ended
Jul. 31, 2015
Sep. 30, 2015
Lease for Offices and Research facilities in Philadelphia, U.S.    
Lease term (in years) 15 years  
Early termination option (in months) 123 months  
Lease for Research and development facility in Oxfordshire, U.K.    
Lease term (in years)   25 years