Annual report pursuant to Section 13 and 15(d)

Contingencies and commitments - Operating Leases (Details)

v3.6.0.2
Contingencies and commitments - Operating Leases (Details)
1 Months Ended
Sep. 30, 2015
Jul. 31, 2015
Lease for Offices and Research facilities in Philadelphia, U.S.    
Contingencies and commitments    
Lessee Leasing Arrangement Operating Leases Early Termination Term Of Contract   123 months
Lease term (in years)   15 years
Research and Development Facility in Oxfordshire, U.K.    
Contingencies and commitments    
Lease term (in years) 25 years