(a) Lease Obligations Since 1983 the Company?s headquarters has been near South Station in downtown Boston at 201 and 207 South Street. In December 2006, the Company sold its owned headquarters buildings in Boston, Massachusetts and leased back 25,200 square feet for two years expiring December 2008. In November 2008 the Company signed a lease amendment for its headquarters? offices in Boston in the existing building for approximately 14,400 square feet for three years with a six month termination option starting July 1, 2010. In May 2010 the Company signed a second lease amendment extending the term of the lease to April 30, 2016 with a six month termination option starting December 1, 2011. In December 2011 the Company signed a third lease amendment reducing the Company lease space by 3,800 square feet effective June 1, 2012, with a proportionate decrease in lease expense. In August 1996 the Company entered into a lease for a 77,428 square feet manufacturing and warehousing facility at 645 Summer Street, Boston, MA. The term of this lease expired in August 2006 and the Company began the planned move of its manufacturing and warehousing facility to Tijuana, Mexico. In August 2006 the Company signed a lease for a 35,575 square foot manufacturing and warehousing facility in Tijuana, Mexico with an initial lease term from October 2006 to May 2007, with five two-year options thereafter. In February 2007 the Company renegotiated the first renewal term and signed a one-year extension starting in May 2007, with five two-year options thereafter. The Company signed another one-year extension starting in May 2008. In March 2009 the Company signed a one-year lease with one one-year option for a smaller facility for lower cost. In March 2011 the Company signed a one-year lease extension starting May 1, 2011, with three one-year renewal options thereafter. In April 2012 the Company exercised the first of three renewal options, with no change in lease cost. In September 2005 the Company entered into a two year office lease co