Note 12 ? Commitments and Contingencies, Concentrations and Significant Contracts Facilities: On March 28, 2010, we renewed our commercial lease for existing space at our manufacturing plant, located at 3601 Clover Lane, in New Castle, Pennsylvania. The salient terms of the lease are as follows: ? The renewal term commenced on March 31, 2013 with a term of five years. ? The lease may be extended for one additional five-year term with future rent to be negotiated at a commercially reasonable rate. ? The battery manufacturing facility includes 70,438 square feet of floor space, including 7,859 square feet of office, locker, lab and lunch area, 46,931 square feet of manufacturing space, 1,488 square feet of dedicated lab space, 9,200 square feet of storage buildings and 5,000 square feet of basement area. ? The rental amount for the initial term is $16,700 per month, which is fixed through March 2015. In addition to the monthly rental, we are obligated to pay all required maintenance costs, taxes and special assessments, maintain public liability insurance, and maintain fire and casualty insurance for an amount equal to 100% of the replacement value of the leased premises. ? On May 26, 2011 we executed an addendum to the existing lease agreement which resulted in the lease of an additional 2,160 square feet of additional space for $500 per month. There were no other changes to the existing lease. ? With the execution of the addendum we now lease 72,598 square feet for a monthly rent of $17,200 on a ?triple net? basis. ? On March 10, 2013, we exercised our option for a five-year renewal on our existing lease space. The lease may be extended for one additional five-year term with future rent to be negotiated at a commercially reasonable rate. ? The battery manufacturing facility includes 70,438 square feet of floor space, including 7,859 square feet of office, locker, lab and lunch area, 46,931 square feet of manufacturing space, 1,488 square feet of dedicated lab space, 9,200 square feet of storage buildings and 5,00