COMMITMENTS

Rent expense for the years ended December 31, 2015 and 2014, was $63,000 and $64,000, respectively.

In 2007, the Company entered into a lease for 17,000 square feet of space in a Tempe, Arizona office and research facility. The term of this lease was sixty months from March 1, 2008. In January of 2013, this lease was amended to extend the lease to February 28, 2015, with the rentable square feet of space reduced to 2,845 square feet and monthly rental payments of approximately $5,000 plus a proportionate share of building operating expenses and property taxes. On October 1, 2014 this lease was extended to February 29, 2016 and on February 8, 2016, this lease was extended to February 28, 2017.