NOTE 7:- COMMITMENTS AND CONTINGENT LIABILITIES a. Lease commitments: The Company and its subsidiaries lease their operating facilities under non-cancelable operating lease agreements, which expire over the next ten years, with the last ending in December 2024. The future minimum lease commitments of the Company and its subsidiaries under various non-cancelable operating lease agreements in respect of premises that are in effect as of September 30, 2015 (unaudited), are as follows: Year ended June 30, (unaudited) 2016 1,692 2017 2,122 2018 2,041 2019 1,906 2020 and thereafter 8,319 16,080 Rent expenses for the three months ended September 30, 2015 (unaudited) and 2014 (unaudited) were approximately $ 535 and $ 315 , respectively. b. Guarantees: As of September 30, 2015 (unaudited), contingent liabilities exist regarding guarantees in the amount of $ 780 , $ 51 and $ 82 in respect of office rent lease agreements, customs transactions and credit card limits, respectively. c. Royalty and Governmental commitments: As of September 30, 2015 (unaudited), the aggregate contingent liability to the Binational Industrial Research and Development Foundation (BIRD F) amounted to approximately $ 1,131 which would be payable by the Company if it ever did generate revenues from such project. As of September 30, 2015 (unaudited), the aggregate contingent liability to the Office of the Chief Scientist (the OCS) amounted to $ 743 . d. Contractual purchase obligations: The Company has contractual obligations to purchase goods and raw materials. These contractual purchase obligations relate to inventories held by contract manufacturers and purchase orders initiated by the contract manufacturers and suppliers, which cannot be canceled without penalty. The Company utilizes third parties to manufacture its products. In addition, it acquires raw materials or other goods and services, including product components, by issuing to suppliers authorizations to purchase based on its projected demand and manufacturing needs. As of September 30,