. the company incurred lease rental expense related to this facility of $ 1.3 million in each of the years ended december 31 , 2012 , 2011 and 2010 . the future minimum lease payments are $ 1.4 million per annum from january 1 , 2013 through december 31 , 2014 . on september 14 , 2012 , the company entered into a lease agreement for 186000 square feet of rentable space to be located in a to-be-built office facility in canonsburg , pennsylvania , which will serve as the company's new headquarters