Commitments and Contingencies Operating Leases We lease certain facilities under various operating leases. Most of the lease agreements provide us with the option of renewing our leases at the end of the initial lease term, at fair market rates. In most cases, we expect that in the normal course of business, facility leases will be renewed or replaced by other leases. For the year ended December 31, 2018 and 2017 , rent expense was $1.0 million and $0.8 million , respectively. On May 18, 2018, the Companys wholly-owned subsidiary in Belgium entered into a lease agreement for an office rental for an approximate annual base lease amount of approximately $0.2 million per year for a duration of nine years. Future minimum lease payments under the operating leases as of December 31, 2018 were as follows: Years Ending December 31, Operating Leases (in thousands) 2019 $ 888 2020 824 2021 765 2022 764 2023 792 Thereafter 3,137 $ 7,170 Capital Lease The Company entered into capital lease arrangements relating to software, equipment and vehicles. The lease periods are from one to seven years. The repayments are made monthly with an interest rates ranging from 4% to 7% per year. Future minimum lease payments under these capital leases as of December 31, 2018 were as follows: Years Ending December 31, Capital Leases (in thousands) 2019 $ 355 2020 263 2021 154 2022 25 797 Interest included in the above payments (81 ) Amount payable without interest 716 Short-term minimum capital lease payments (included in accrued liabilities) 336 Long-term minimum capital lease payments $ 380 Contingencies Periodically, the Company may have certain contingent liabilities that arise in the ordinary course of business activities. The Company accrues a liability for such matters when it is probable that future expenditures will be made and such expenditures can be reasonably estimated. There have been no contingent liabilities requiring accrual or disclosure at December 31, 2018 and December 31, 2017. Indemnification The Company enters into standard indemnification arrangements in the ordinary course of business. Pursuant to these arrangements, the Company indemnifies, holds harmless, and agrees to reimburse the indemnified parties for losses suffered or incurred by the indemnified party, in connection with any trade secret, copyright, patent or other intellectual property infringement claim by any third-party with respect to the Companys technology. The term of these indemnification agreements is generally perpetual. The maximum potential amount of future payments the Company could be required to make under these agreements is not determinable because it involves claims that may be made against the Company in the future, but have not yet been made. The Company has entered into indemnification agreements with its directors and officers that may require the Company to indemnify its directors and officers against liabilities that may arise by reason of their status or service as directors or officers, other than liabilities arising from willful misconduct of the individual. The Company has not incurred costs to defend lawsuits or settle claims related to these indemnification agreements. No liability associated with such indemnifications has been recorded to date.