1. Basis of Presentation and Summary of Significant Accounting Policies

Business

Imperva, Inc. (together with its subsidiaries, the “Company”) was incorporated in April 2002 in Delaware. The Company is headquartered in Redwood Shores, California and has subsidiaries located throughout the world including Israel, Asia and Europe. The Company is engaged in the development, marketing, sales, service and support of cyber-security solutions that protect business-critical data and applications whether in the cloud or on premises.

Basis of Presentation

The Company has prepared the accompanying unaudited Condensed Consolidated Financial Statements in accordance with Article 10 of Regulation S-X and pursuant to the rules and regulations for Form 10-Q of the Securities and Exchange Commission (the “SEC”). Pursuant to those rules and regulations, the Company has condensed or omitted certain information and footnote disclosure it normally includes in its annual consolidated financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”). In management’s opinion, the Company has made all adjustments (consisting only of normal, recurring adjustments, except as otherwise indicated) necessary to fairly present its consolidated financial position, results of operations, and cash flows. The Company’s interim period operating results do not necessarily indicate the results that may be expected for any other interim period or for the full fiscal year. These financial statements and accompanying notes should be read in conjunction with the consolidated financial statements and notes thereto in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016, which was filed with the SEC on February 27, 2017 (the “Annual Report”).

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Concentration of Revenue and Accounts Receivable

Significant customers are those which represent 10% or more of the Company’s total revenue or gross accounts receivable balance at each respective balance sheet date. The Company primarily sells products and services through channel partners, including distributors and resellers, which sell to end-user customers. For the three and nine months ended September 30, 2017 and 2016, no single end-user customer represented 10% or more of the Company’s total revenue or gross accounts receivable balance.

During those periods, the Company had one reseller that represented 10% or more of the Company’s total revenue or gross accounts receivable balance at each respective balance sheet date as follows:

Revenue												Accounts Receivable
For the three months ended September 30,						For the nine months ended September 30,						As of September 30,			As of December 31,
2017			2016			2017			2016			2017			2016
	11	%		13	%		12	%		13	%		15	%		18	%

Significant Accounting Policies

The Company adopted the guidance in Accounting Standards Update (“ASU”) 2016-09, Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting, on January 1, 2017. Under this ASU, entities are permitted to make an accounting policy election to either estimate forfeitures on share-based payment awards, as previously required, or to recognize forfeitures as they occur. The Company has elected to recognize forfeitures as they occur and the impact of that change in accounting policy has been recorded as a $2.6 million cumulative effect adjustment to increase our accumulated deficit as of January 1, 2017. Additionally, the Company has elected to use a prospective transition method for presentation of excess tax benefits on the statement of cash flows. The remaining provisions of ASU 2016-09 did not have a material impact on the accompanying condensed consolidated financial statements.

Insurance Recoveries Receivable

Insurance recoveries receivable consists of amounts receivable by the Company from insurance recoveries in connection with settlement costs and professional fees. Claims for loss recoveries are generally recognized when a loss event has occurred and recovery is considered probable. Insurance recoveries relate to Directors and Officers liability insurance on a purported shareholder class action lawsuit as further discussed in note 6.

There have been no other material changes to the Company’s significant accounting policies as compared to the significant accounting policies described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.

Recent Accounting Pronouncements

In August 2017, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update (“ASU”) 2017-12 Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. Under the new guidance, more hedging strategies will be eligible for hedge accounting and the application of hedge accounting is simplified. The new guidance amends presentation and disclosure requirements, and how effectiveness is assessed. The standard is effective for the Company on January 1, 2019, with early adoption permitted. The Company is evaluating the impact of adopting this new accounting guidance on its consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09 Compensation - Stock Compensation (Topic 718): Scope of Modification Accounting, which clarifies which changes to the terms or conditions of a share-based payment award require an entity to apply modification accounting. Under the new guidance, modification accounting is required if the fair value, vesting conditions or classification (equity or liability) of the new award are different from the original award immediately before the original award is modified. The standard is effective for the Company on January 1, 2018, with early adoption permitted. The new guidance must be applied prospectively to awards modified on or after the adoption date. The future impact of ASU 2017-09 will be dependent on the nature of future stock award modifications.

In January 2017, the FASB issued ASU No. 2017-04, Simplifying the Test for Goodwill Impairment (Topic 350), which simplifies the measurement of goodwill impairment by removing the second step of the goodwill impairment test, which requires the determination of the fair value of individual assets and liabilities of a reporting unit. Under this guidance, goodwill impairment is to be measured as the amount by which a reporting unit’s carrying value exceeds its fair value with the loss recognized not to exceed the total amount of goodwill allocated to the reporting unit. The guidance is effective beginning January 1, 2020 on a prospective basis, with early adoption permitted for interim or annual goodwill impairment tests performed after January 1, 2017. The standard is to be applied on a prospective basis. The Company does not anticipate a material impact to the consolidated financial statements once implemented.

In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. The new standard clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. ASU 2017-01 is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years, and should be applied prospectively with early adoption permitted under certain scenarios. The impact of this accounting standard update will be fact dependent. The Company does not expect the adoption of the standard will have a material impact on our consolidated financial statements once implemented.

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash. The new standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The standard will be effective for the Company beginning January 1, 2018, with early application permitted. The standard will require adoption on a retrospective basis. The new accounting pronouncements will not have a significant impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. The new standard will make eight targeted changes to how cash receipts and cash payments are presented and classified in the statement of cash flows. The standard will be effective for the Company beginning January 1, 2018, with early application permitted. The standard will require adoption on a retrospective basis unless it is impracticable to apply, in which case the Company would be required to apply the amendments prospectively as of the earliest date practicable. The Company is evaluating the impact of adopting this new accounting guidance on its consolidated financial statements.

In June 2016, the FASB Issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The new standard requires financial assets measured at amortized cost be presented at the net amount expected to be collected, through an allowance for credit losses that is deducted from the amortized cost basis. The standard will be effective for the Company beginning January 1, 2020, with early application permitted. The Company is evaluating the impact of adopting this new accounting guidance on its consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02 regarding ASC Topic 842 Leases. The amendments in this guidance require balance sheet recognition of lease assets and lease liabilities by lessees for leases classified as operating leases, with an optional policy election to not recognize lease assets and lease liabilities for leases with a term of 12 months or less. The amendments also require new disclosures, including qualitative and quantitative requirements, providing additional information about the amounts recorded in the financial statements. The standard will be effective for the Company beginning January 1, 2019. The amendments require a modified retrospective approach with optional practical expedients. While the Company continues to evaluate the effect of the standard on its ongoing financial reporting, the Company currently believes that the adoption of the ASU may materially affect its Balance Sheet.

In May 2014, the FASB issued ASU 2014-09—Revenue (Topic 606): Revenue from Contracts with Customers. The standard will replace most existing U.S. GAAP guidance on this topic. The standard provides a unified model to determine when and how revenue is recognized. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration for which the entity expects to be entitled in exchange for those goods or services. The standard defines a five-step process to achieve this core principle and, in doing so, it is possible more judgment and estimates may be required within the revenue recognition process than are required under existing GAAP, including identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating the transaction price to each separate performance obligation, among others. The standard also provides guidance on the recognition of costs related to obtaining customer contracts.

The standard will be effective for the Company beginning January 1, 2018 using either of two methods: (1) retrospective application of the standard to each prior reporting period presented with the option to elect certain practical expedients as defined within the standard, or (2) modified retrospective application of the standard with the cumulative effect of initially applying the standard recognized at the date of initial application and providing certain additional disclosures as defined per the standard. The Company plans to adopt the standard under the modified retrospective method effective January 1, 2018. The Company’s ability to adopt using the modified retrospective method is dependent on several factors such as the significance of the impact of the new standard on the Company’s financial results, and system readiness, including software procured from third-party providers and the completion of the Company’s analysis of information necessary to determine the cumulative effect of adoption recognized as of the date of initial application.

The Company has developed a project plan for this transition, which includes necessary changes to accounting policies, processes, internal controls, and system requirements and is progressing as planned. The Company expects to implement the plan in time to report in accordance with ASC 606 for the first quarterly filing on Form 10-Q for the period ended March 31, 2018.

As part of its preliminary evaluation, the Company has considered the impact of the standard’s requirements with respect to capitalization and amortization of incremental costs of obtaining a contract, primarily sales commissions. Under the Company’s current accounting policy, contract origination costs are expensed as incurred. The new standard requires the capitalization of all incremental costs that the Company incurs to obtain a contract with a customer that it would not have incurred if the contract had not been obtained, provided the Company expects to recover the costs. The Company is reviewing historical costs to identify those that meet the new standard’s capitalization requirement. Under the new standard, the Company will amortize these costs over a period of benefit, as estimated by management, which may extend beyond the contract term.

The Company’s contracts with customers frequently include multiple performance obligations. For such arrangements, the Company will allocate revenue to each performance obligation based on its relative standalone selling price. The Company is analyzing its historical sales data and expects to determine standalone selling prices based on the prices charged to customers.

While the Company continues to assess the potential impacts of the new standard on its consolidated financial statements and related disclosures, the Company does not know or cannot reasonably estimate quantitative information related to the impact of the new standard on the financial statements at this time. The preliminary assessments are subject to change as the Company continues to assess the new standard along with industry trends and additional interpretive guidance.