. in addition , the company has certain rights to terminate the facility lease early , subject to the payment of a specified termination fee based on the timing of the termination , as further outlined in the lease amendment . the company has a lease for its european headquarters in aachen , germany . the lease payments are approximately 36000 20ac ( euro ) ( approximately u.s . $ 50000 at march 31 , 2012 exchange rates ) per month and the lease term expires in december 2012