Note 5. Commitments and Contingencies Leases We lease office space under noncancelable operating leases with various expiration dates. Certain of the office space lease agreements contain rent holidays or rent escalation provisions. Rent holiday and rent escalation provisions are considered in determining the straight-line expense to be recorded over the lease term. The lease term begins on the date of initial possession of the leased property for purposes of recognizing lease expense on a straight-line basis over the term of the lease. Rent expense was $2.7 million and $2.2 million for the three months ended March 31, 2017 and 2016 , respectively. In April 2017, we entered into an operating lease agreement for approximately 58,000 square feet of office space in Dublin, Ireland. The lease is expected to commence on October 3, 2017 and has a noncancelable term of 12 years . The total anticipated amount of rent to be paid over the noncancelable term of the lease is approximately $37.0 million . In addition to monthly rent obligations, we are responsible for certain operating costs and taxes associated with the leased premises. Litigation and Loss Contingencies We accrue estimates for resolution of legal and other contingencies when losses are probable and estimable. From time to time, we may become a party to litigation and subject to claims that arise in the ordinary course of business, including intellectual property claims, labor and employment claims, threatened claims, breach of contract claims, tax, and other matters. We currently have no material pending litigation. We are not currently aware of any litigation matters or loss contingencies that would be expected to have a material adverse effect on our business, consolidated balance sheets, results of operations, comprehensive loss, or cash flows. Indemnifications In the ordinary course of business, we enter into contractual arrangements under which we agree to provide indemnification of varying scope and terms to customers, business partners and other parti