6. COMMITMENTS AND CONTINGENCIES Leases We lease approximately 2,000 square feet of office space at 3150 Almaden Expressway, San Jose, California (our principal executive offices) from an unrelated party pursuant to a lease that expires September 30, 2019. Our base rent is approximately $4,000 per month and the lease provides for annual increases of approximately 3% and an escalation clause for increases in certain operating costs. We also lease approximately 3,000 square feet of office space at 12100 Wilshire Boulevard, Los Angeles, California (our former executive offices) from an unrelated party pursuant to a lease that expires May 31, 2019. Our base rent is approximately $11,000 per month and the lease provides for annual increases of approximately 3% and an escalation clause for increases in certain operating costs. During the fourth quarter of fiscal 2017 we vacated the office space at 12100 Wilshire Boulevard, Los Angeles, California and as of October 31, 2017 we have accrued an expense of approximately $84,000 related to future rents of the unused facilities. As of October 31, 2017, our non-cancelable operating lease commitments for the years ending October 31, 2018 and 2019 were approximately $182,000 and $125,000, respectively. Rent expense for the years ended October 31, 2017 and 2016, was approximately $229,000 and $188,000, respectively. Litigation Matters Other than suits we bring to enforce our patent rights we are not a party to any material pending legal proceedings other than that which arise in the ordinary course of business. We believe that any liability that may ultimately result from the resolution of these matters will not, individually or in the aggregate, have a material adverse effect on our financial position or results of operations.