NOTE 8 :-COMMITMENTS AND CONTINGENCIES In February 2015, the Company signed an addendum to its facility operating lease agreement (the ?Addendum?) with the lessor, which extended the rent period to December 2021. Under the Addendum, the Company leased additional facility space that will be used for new laboratories and offices. The delivery date o f the additional facility space is June 15, 2015. The Company will pay the lessor monthly rent fees for the additional facility space commencing at the earliest of the completion of the leasehold improvements, or September 15, 2015. The lessor agreed to pay a non-refundable leasehold improvement participation payment, of approximately $ 925 . In January 2013 the Subsidiary received from the lessor a non-refundable payment, which payment represents the lessor participation in the leasehold improvements, of approximately $816. The payment is deductible against lease expenses as it is incurred. The lessor upfront payment is included the in balance sheet as advance payment and recognized as a deduction from lease expenses over the lease term. The Company recognizes rent expense, net of lessor participation, under such arrangements on a straight-line basis over the lease term. As of June 30, 2015, aggregate minimum lease commitments under the operating lease agreement s are as follows: Year ending June 30, 2016 $ 945 2017 1,038 2018 1,038 2019 1,038 2020 and thereafter 2,876 Total $ 6,935 Lease expenses, net of lessor participation amounted to $ 704 , $ 720 and $ 678 for the years ended June 30, 2015 , 2014 and 2013 , respectively. The Subsidiary has issued a bank guarantee in favor of the lessors in the amount of approximately $ 353 . The Subsidiary leases several motor vehicles under operating lease agreements, which expire in various dates during years 2015 through June 2018 . As of June 30, 2015 , future aggregate minimum lease commitments under non-cancelable operating lease agreements are as follows: Year ending June 30, 2016 $ 149 2017 104 2018 47 Total $ 300 Lease ex