12   Commitments and Contingencies Leases. We have entered into noncancelable operating leases for our facilities. In January 2014, we entered into a lease, commencing July 1, 2014, for a new facility in Winter Springs, Florida owned by Susi, LLC, and entity controlled by our president and CEO, Roger Susi. Pursuant to the terms of our lease for this property, the monthly base rent will be $32,583, adjusted annually for changes in the consumer price index. The term of the lease expires on May 31, 2019. The lease will automatically renew for two successive terms of five years each beginning in 2019 and again in 2024, and thereafter, will be renewed for successive terms of one year each. Rent expense for the years ended December 31, 2014 and 2013 was $284,210 and $116,277, respectively. Minimum lease payments for each of our operating leases are even throughout their respective lease term. Future minimum lease payments under noncancelable operating leases as of December 31, 2014 are as follows: Operating Leases 2015 $ 390,996 2016 390,996 2017 390,996 2018 390,996 2019 162,915 Thereafter   Total minimum lease payments $ 1,726,899 Purchase commitments. We had various purchase orders for goods or services totaling approximately $1,993,801 at December 31, 2014. No amounts related to these purchase orders have been recognized in our balance sheet. Uncommitted Revolving Credit Facility. We had an uncommitted revolving credit facility with Bank of America, National Association that provided for a maximum borrowing capacity of $100,000. This facility was terminated during September 2014 and we no longer have the ability to obtain advances from this revolving credit facility. Prior to the termination of this facility during the third quarter 2014 and throughout the year ended December 31, 2013, we did not request or obtain any advances from this revolving credit facility. Indemnifications. Under our amended and restated bylaws, we have agreed to indemnify our officers and directors for certain events or occurrences arising