10. Commitments and Contingencies Operating Leases ? The Company leases a laboratory and office facility under non-cancellable operating lease agreements, which expires in March 2014. The Company is currently in discussions with the landlord and intends to renew this lease for another annual period on the same terms. At December 31, 2013, the future minimum rental commitment under the operating lease excluding the abandoned lease described below is approximately as follows: 2014 $ 19,000 Rent expense for the years ended December 31, 2013 and 2012 was approximately $ 76,000 and $ 256,000 , respectively. Of these totals for the year ended December 31, 2012, approximately $ 182,000 was included in discontinued operations. In addition, certain administrative functions are performed at an office location leased by the majority member at no charge to the Company. No amount has been charged for these functions as it is not deemed reasonable to estimate. Lease Abandonment ? During the year ended December 31, 2012, the Company recorded costs associated with an operating lease for which it had abandoned the use of the related property and has been unsuccessful in subleasing of approximately $932,000 which represented the present value of the remaining payments due under the lease. In the determination of such liability, the Company has taken into account a termination clause in the lease whereby they can terminate the lease after August 2015 as well as no estimated sublease income due to the Company s inability to date to sublet such space. At December 31, 2013 and 2012, the total liability is approximately $579,000 and $ 883,000 , respectively. At December 31, 2013, the remaining payments under the lease agreement consist of monthly installments ranging from approximately $ 27,000 ? $ 28,000 through August 2015. Services Agreement ? The Company has entered into a systems and services agreement with a third party to assist with billing and collections from customers which originally expired in February 2013 and was renewed