10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________

FORM 10-Q

____________________

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2018

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                     

Commission File Number: 001-36324

____________________

VARONIS SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

____________________

Delaware	57-1222280
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1250 Broadway, 29th Floor New York, NY	10001
(Address of principal executive offices)	(Zip Code)
(877) 292-8767 (Registrant’s telephone number, including area code)

____________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities and Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    x  Yes    ¨  No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    x  Yes    ¨  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨ (Do not check if a smaller reporting company)	Smaller reporting company	¨
		Emerging growth company	¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    ¨  Yes    x  No

At April 27, 2018, there were 28,752,821 shares of Common Stock, par value $0.001 per share, outstanding.

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION		1
Item 1.	Financial Statements	1
Consolidated Balance Sheets as of March 31, 2018 (unaudited) and December 31, 2017 (as adjusted)		1
Unaudited Consolidated Statements of Operations for the Three Months Ended March 31, 2018 and 2017 (as adjusted)		2
Unaudited Consolidated Statements of Comprehensive Loss for the Three Months Ended March 31, 2018 and 2017 (as adjusted)		3
Unaudited Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2018 and 2017 (as adjusted)		4
Notes to Unaudited Consolidated Financial Statements		5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	17
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	29
Item 4.	Controls and Procedures	30
PART II. OTHER INFORMATION		31
Item 1.	Legal Proceedings	31
Item 1A.	Risk Factors	31
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	51
Item 6.	Exhibits	52
SIGNATURES		53
EXHIBIT INDEX		54

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share data)

	March 31, 2018			December 31, 2017
	(unaudited)			(as adjusted, see note 1)
Assets
Current assets:
Cash and cash equivalents	$	70,778		$	56,689
Short-term investments		82,892			79,868
Trade receivables (net of allowance for doubtful accounts of $433 at March 31, 2018 and December 31, 2017)		32,468			75,596
Prepaid expenses and other current assets		18,933			14,346
Total current assets		205,071			226,499
Long-term assets:
Other assets		7,674			7,243
Property and equipment, net		12,180			11,896
Total long-term assets		19,854			19,139
Total assets	$	224,925		$	245,638
Liabilities and stockholders’ equity
Current liabilities:
Trade payables	$	483		$	635
Accrued expenses and other short term liabilities		36,190			42,453
Deferred revenues		68,481			73,493
Total current liabilities		105,154			116,581
Long-term liabilities:
Deferred revenues		6,247			6,608
Other liabilities		8,045			7,807
Total long-term liabilities		14,292			14,415
Stockholders’ equity:
Share capital
Common stock of $0.001 par value - Authorized: 200,000,000 shares at March 31, 2018 and December 31, 2017; Issued and outstanding: 28,748,631 shares at March 31, 2018 and 28,146,162 shares at December 31, 2017		29			28
Accumulated other comprehensive income (loss)		(1,973	)		136
Additional paid-in capital		231,860			223,868
Accumulated deficit		(124,437	)		(109,390	)
Total stockholders’ equity		105,479			114,642
Total liabilities and stockholders’ equity	$	224,925		$	245,638

The accompanying notes are an integral part of these consolidated financial statements.

1

UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except share and per share data)

	Three Months Ended March 31,
	2018			2017
				(as adjusted, see note 1)
Revenues:
Licenses	$	25,074		$	18,092
Maintenance and services		28,454			21,501
Total revenues		53,528			39,593
Cost of revenues		6,442			4,693
Gross profit		47,086			34,900
Operating costs and expenses:
Research and development		15,542			10,409
Sales and marketing		39,972			30,914
General and administrative		7,069			5,509
Total operating expenses		62,583			46,832
Operating loss		(15,497	)		(11,932	)
Financial income, net		978			469
Loss before income taxes		(14,519	)		(11,463	)
Income taxes		(527	)		(200	)
Net loss	$	(15,046	)	$	(11,663	)
Net loss per share of common stock, basic and diluted	$	(0.53	)	$	(0.43	)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted		28,362,479			26,951,205

The accompanying notes are an integral part of these consolidated financial statements.

2

UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(in thousands)

	Three Months Ended March 31,
	2018			2017
				(as adjusted, see note 1)
Net loss	$	(15,046	)	$	(11,663	)
Other comprehensive income (loss):
Unrealized loss on short-term investments		(8	)		-
Unrealized income (loss) on derivative instruments		(2,101	)		2,124
Total other comprehensive income (loss)		(2,109	)		2,124
Comprehensive loss	$	(17,155	)	$	(9,539	)

The accompanying notes are an integral part of these consolidated financial statements.

3

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

	Three Months Ended March 31,
	2018			2017
				(as adjusted, see note 1)
Cash flows from operating activities:
Net loss	$	(15,046	)	$	(11,663	)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation		797			622
Stock-based compensation		6,927			4,404
Amortization of deferred commissions		3,325			3,027
Changes in assets and liabilities:
Trade receivables		43,128			26,395
Prepaid expenses and other current assets		(5,806	)		(2,497	)
Deferred commissions		(2,434	)		(2,906	)
Other long term assets		41			-
Trade payables		(152	)		294
Accrued expenses and other short term liabilities		(8,200	)		(6,421	)
Deferred revenues		(5,373	)		(2,417	)
Other long term liabilities		237			(541	)
Net cash provided by operating activities		17,444			8,297
Cash flows from investing activities:
Increase in short-term investments		(3,033	)		(4,757	)
Increase in long-term deposits		(308	)		(140	)
Purchase of property and equipment		(1,081	)		(1,498	)
Net cash used in investing activities		(4,422	)		(6,395	)
Cash flows from financing activities:
Proceeds from employee stock plans, net		1,066			882
Net cash provided by financing activities		1,066			882
Increase in cash, cash equivalents and restricted cash		14,088			2,784
Cash, cash equivalents and restricted cash at beginning of period		57,236			48,803
Cash, cash equivalents and restricted cash at end of period	$	71,324		$	51,587
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$	102		$	20

The accompanying notes are an integral part of these consolidated financial statements.

4

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1:- GENERAL

a. Varonis Systems, Inc. (“VSI” and together with its subsidiaries, collectively, the “Company”) was incorporated under the laws of the State of Delaware on November 3, 2004 and commenced operations on January 1, 2005.

VSI has eight wholly-owned subsidiaries: Varonis Systems Ltd. (“VSL”) incorporated under the laws of Israel on November 24, 2004; Varonis (UK) Limited (“VSUK”) incorporated under the laws of England on March 14, 2007; Varonis Systems (Deutschland) GmbH (“VSG”) incorporated under the laws of Germany on July 6, 2011; Varonis France SAS (“VSF”) incorporated under the laws of France on February 22, 2012; Varonis Systems Corp. (“VSC”) incorporated under the laws of British Columbia, Canada on February 19, 2013; Varonis Systems (Ireland) Limited incorporated under the laws of Ireland on November 11, 2016; Varonis Systems (Australia) Pty Ltd (“VSA”) incorporated under the laws of Victoria, Australia on February 28, 2017; and Varonis Systems (Netherlands) B.V. incorporated under the laws of the Netherlands on March 13, 2018.

The Company’s software products and services allow enterprises to manage, analyze and secure enterprise data. Varonis focuses on protecting enterprise data: sensitive files and emails; confidential customer, patient and employee data; financial records; strategic and product plans; and other intellectual property.  Through its products DatAdvantage (including the Automation Engine), DatAlert (including Varonis Edge), Data Classification Engine (including GDPR Patterns), DataPrivilege, Data Transport Engine and DatAnswers, the software platform allows enterprises to protect sensitive data from insider threats and cyberattacks and realize the value of their enterprise data in ways that are not resource-intensive and easy to implement.

VSI markets and sells products and services mainly in the United States. VSUK, VSG, VSF, VSC and VSA resell the Company’s products and services mainly in the UK, Germany, France and rest of Europe, Canada and Australia, respectively. The Company primarily sells its products and services to a global network of distributors and Value Added Resellers (VARs), which sell the products to end user customers.

b. Basis of Presentation:

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with Article 10 of Regulation S-X, “Interim Financial Statements” and 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 2017 consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for its fiscal year ended December 31, 2017 filed with the SEC on February 13, 2018 (the “2017 Form 10-K”). There have been no changes in the significant accounting policies from those that were disclosed in the audited consolidated financial statements for the fiscal year ended December 31, 2017 included in the 2017 Form 10-K, except as follows:

Effective as of January 1, 2018, the Company adopted Accounting Standards Update 2014-09, “Revenue from Contracts with Customers” (“ASU 606”) on a full retrospective basis which requires the Company to restate its historical financial information for fiscal year 2017 and to be consistent with the new standard in 2018. The Company implemented internal controls and key system functionality to enable the preparation of financial information upon adoption. ASU 606 provides enhancements to the quality and consistency of how revenue is reported while also improving comparability in the financial statements of companies reporting using IFRS and US GAAP. The core principle of the standard is for companies to recognize revenue to depict the transfer of goods or services to customers in amounts that reflect the consideration (that is, payment) to which the company expects to be entitled in exchange for those goods or services. The most significant impacts of the standard to the Company relate to the timing of revenue recognition for arrangements involving term licenses and sales commissions. Under ASU 606, the Company is required to recognize term license revenues upon the transfer of the license and the associated maintenance revenues over the contract period, as opposed to the Company’s prior practice of recognizing both the term license and maintenance revenues ratably over the contract period. In addition, the Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately four years. Previously, the Company did not capitalize sales commission costs but rather recognized these costs when they were incurred.

5

Adoption of the standard results in a reduction of revenues of $1,974 for the year ended December 31, 2017 primarily due to the net change in term license revenue recognition. As of December 31, 2017, the adoption of the standard results in an increase in deferred commission of $13,486, a decrease in short-term deferred revenues of $398, a decrease in long-term deferred revenues of $426 and an increase of $1,246 in deferred tax liabilities. This is a result of the capitalization of sales commission costs and the upfront recognition of license revenues from term licenses. The cumulative impact to the Company’s accumulated deficit as of December 31, 2017 is a reduction of $13,064.

Adoption of the standard related to revenue recognition had no impact to cash from or used in operating, financing or investing activities on the Company’s consolidated statements of cash flows.

The Company adjusted its consolidated financial statements from amounts previously reported due to the adoption of ASU 606. Select consolidated statement of operations, consolidated balance sheet and consolidated statement of cash flows, which reflect the adoption of the new standard are as follows:

	Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
License revenues	$	19,155		$	(1,063	)	$	18,092
Maintenance and service revenues		21,225			276			21,501
Total revenues		40,380			(787	)		39,593
Cost of revenues		4,672			21			4,693
Gross profit		35,708			(808	)		34,900
Operating costs and expenses:
Research and development		10,409			-			10,409
Sales and marketing		30,811			103			30,914
General and administrative		5,513			(4	)		5,509
Total operating expenses		46,733			99			46,832
Operating loss		(11,025	)		(907	)		(11,932	)
Financial income, net		469			-			469
Loss before income taxes		(10,556	)		(907	)		(11,463	)
Income taxes		(323	)		123			(200	)
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)

6

	December 31, 2017 Balance Sheet Data
	As Reported			Adjustments			As Adjusted
Assets
Current assets:
Prepaid expenses and other current assets	$	7,130		$	7,216		$	14,346
Long-term assets:
Other assets	$	973		$	6,270		$	7,243
Liabilities and stockholders’ equity
Current liabilities:
Deferred revenues	$	73,891		$	(398	)	$	73,493
Long-term liabilities:
Deferred revenues	$	7,034		$	(426	)	$	6,608
Other liabilities	$	6,561		$	1,246		$	7,807
Stockholders’ equity:
Accumulated deficit	$	(122,454	)	$	13,064		$	(109,390	)

	Statement of Cash Flows Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
Cash flows from operating activities
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)
Amortization of deferred commissions	$	-		$	3,027		$	3,027
Deferred commissions	$	-		$	(2,906	)	$	(2,906	)
Deferred revenues	$	(3,203	)	$	786		$	(2,417	)
Other long term liabilities	$	(418	)	$	(123	)	$	(541	)
Net cash provided by operating activities	$	8,297		$	-		$	8,297

c. Revenue Recognition:

The Company generates revenues in the form of software license fees and related maintenance and services fees. License fees include perpetual license fees and term license fees which provide customers with the same functionality and differ mainly in the duration over which the customer benefits from the software. Maintenance and services primarily consist of fees for maintenance services (including support and unspecified upgrades and enhancements when and if they are available) and to a lesser extent professional services which focus on both deployment and training the Company’s customers to fully leverage the use of its products although the user can benefit from the software without the Company’s assistance. The Company sells its products worldwide directly to a network of distributors and VARs, and payment is typically due within 30 to 90 calendar days of the date the Company issues an invoice.

The Company recognizes revenues in accordance with ASC No. 606, “Revenue from Contracts with Customers”. As such, the Company identifies a contract with a customer, identifies the performance obligations in the contract, determines the transaction price, allocates the transaction price to each performance obligation in the contract and recognizes revenues when (or as) the Company satisfies a performance obligation.

Software license revenues are recognized at the point of time when the software license has been delivered.

The Company recognizes revenues from maintenance ratably over the term of the underlying maintenance contract term. The term of the maintenance contract is usually one year. Renewals of maintenance contracts create new performance obligations that are satisfied over the term with the revenues recognized ratably over the term.

Revenues from professional services consists mostly of time and material services. The performance obligations are satisfied, and revenues are recognized, when the services are provided or when the service term has expired.

7

In contracts with multiple performance obligations, the Company accounts for individual performance obligations separately if they are distinct. The Company allocates the transaction price to each performance obligation based on its relative standalone selling price out of total consideration of the contract. For maintenance and support, the Company determines the standalone selling price based on the price at which the Company separately sells a renewal contract. The Company determines the standalone selling price for sales of licenses using the residual approach. For professional services, the Company determines the standalone selling prices based on the price at which the Company separately sells those services.

Trade and other receivables are primarily comprised of trade receivables that are recorded at the invoice amount, net of an allowance for doubtful accounts.

Deferred revenues represent mostly unrecognized fees billed or collected for maintenance and professional services. Deferred revenues are recognized as (or when) the Company performs under the contract. The amount of revenues recognized in the period that was included in the opening deferred revenues balance was $27,952 for the three months ended March 31, 2018.

The Company does not grant a right of return to its customers, except for one of its resellers. In 2017 and for the three months ended March 31, 2018, there were no returns from this reseller.

The Company pays commissions to sales and marketing and certain management personnel based on their attainment of certain predetermined sales goals. Sales commissions are considered incremental costs of obtaining a contract with a customer and are deferred and amortized. The Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately four years. Amortization expenses related to these costs are included in sales and marketing expenses in the accompanying consolidated statements of operations.

For information regarding disaggregated revenues, please refer to note 5.

d. Derivative Instruments:

The Company’s primary objective for holding derivative instruments is to reduce its exposure to foreign currency rate changes. The Company reduces its exposure by entering into forward foreign exchange contracts with respect to operating expenses that are forecast to be incurred in currencies other than the U.S. dollar. A majority of the Company’s revenues and operating expenditures are transacted in U.S. dollars. However, certain operating expenditures are incurred in or exposed to other currencies, primarily the New Israeli Shekel (“NIS”).

The Company has established forecasted transaction currency risk management programs to protect against fluctuations in fair value and the volatility of future cash flows caused by changes in exchange rates. The Company’s currency risk management program includes forward foreign exchange contracts designated as cash flow hedges. These forward foreign exchange contracts generally mature within 12 months. The Company does not enter into derivative financial instruments for trading purposes.

Derivative instruments measured at fair value and their classification on the consolidated balance sheets are presented in the following table (in thousands):

8

	Liabilities as of March 31, 2018 (unaudited)					Assets as of December 31, 2017
	Notional Amount		Fair Value			Notional Amount		Fair Value
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other short term liabilities	$	44,348	$	(2,029	)	$	1,746	$	163

For the three months ended March 31, 2018 and 2017, the unaudited consolidated statements of operations reflect a gain of approximately $48 and $265, respectively, related to the effective portion of foreign currency forward contracts. Any ineffective portion of foreign currency forward contracts is recognized in financial income (expense), net in the unaudited consolidated statement of operations. No material ineffective hedges were recognized in other income (expenses) for the three months ended March 31, 2018 and 2017.

e. Cash, Cash Equivalents and Short-Term Investments:   

The Company accounts for investments in marketable securities in accordance with ASC No. 320, “Investments—Debt and Equity Securities”. The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. Cash and cash equivalents consist of cash on hand, highly liquid investments in money market funds and various deposit accounts.

The Company considers all high quality investments purchased with original maturities at the date of purchase greater than three months to be short-term investments. Investments are available to be used for current operations and are, therefore, classified as current assets even though maturities may extend beyond one year. Cash equivalents and short-term investments are classified as available for sale and are, therefore, recorded at fair value on the consolidated balance sheet, with any unrealized gains and losses reported in accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s consolidated balance sheets, until realized. The Company uses the specific identification method to compute gains and losses on the investments. The amortized cost of securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization and accretion is included as a component of financial income, net in the consolidated statement of operations. Cash, cash equivalents and short-term investments consist of the following (in thousands):

	As of March 31, 2018 (unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	61,749	$	-	$	-		$	61,749
Money market funds		9,029		-		-			9,029
Total	$	70,778	$	-	$	-		$	70,778
Short-term investments
US Treasury securities	$	37,751	$	-	$	(34	)	$	37,717
Term bank deposits		45,175		-		-			45,175
Total	$	82,926	$	-	$	(34	)	$	82,892

All the US Treasury securities in short-term investments have a stated effective maturity of less than 12 months as of March 31, 2018.

9

	As of December 31, 2017
	Amortized Cost		Gross Unrealized Gains			Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	49,819	$	-		$	-		$	49,819
Money market funds		6,870		-			-			6,870
Total	$	56,689	$	-		$	-		$	56,689
Short-term investments
US Treasury securities	$	39,758		*	)		(27	)	$	39,731
Term bank deposits		40,137		-			-			40,137
Total	$	79,895	$	*	)	$	(27	)	$	79,868

*) Represents an amount lower than $1

The gross unrealized loss related to these short-term investments was due primarily to changes in interest rates. The Company reviews its short-term investments on a regular basis to evaluate whether or not any security has experienced an other than temporary decline in fair value. The Company considers factors such as length of time and extent to which the market value has been less than the cost, the financial condition and near-term prospects of the issuer and its intent to sell, or whether it is more likely than not the Company will be required to sell the investment before recovery of the investment’s amortized cost basis. If the Company believes that an other than temporary decline exists in one of these securities, the Company writes down these investments to fair value. For debt securities, the portion of the write-down related to credit loss would be recorded to other income (expense), net in the Company’s consolidated statements of operations. Any portion not related to credit loss would be recorded to accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s condensed consolidated balance sheets. During the three months ended March 31, 2018, the Company did not consider any of its investments to be other-than-temporarily impaired.

f. Restricted Cash:

In November 2016, the Financial Accounting Standards Board (the “FASB”) issued ASU 2016-18, “Statement of Cash Flows (Topic 230): Restricted Cash”, which requires companies to include amounts generally described as restricted cash and restricted cash equivalents in cash and cash equivalents when reconciling beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU 2016-18 is effective for annual and interim periods beginning after December 15, 2017. The Company adopted this standard effective December 31, 2017 using the retrospective transition method, as required by the new standard. The adoption of this standard had an immaterial impact on the Company’s consolidated statements of cash flows.

The following table provides a reconciliation of cash and cash equivalents, and long term restricted cash reported within the consolidated balance sheets that sum to the total of such amounts in the consolidated statements of cash flows:

	March 31, 2018		March 31, 2017
Cash and cash equivalents	$	70,778	$	51,070
Long term restricted cash included in other assets		546		517
Cash, cash equivalents and long term restricted cash shown in the consolidated statement of cash flows	$	71,324	$	51,587

g. Recently Issued Accounting Pronouncements:

In January 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses on Financial Instruments”, which requires that expected credit losses relating to financial assets measured on an amortized cost basis and available for sale debt securities be recorded through an allowance for credit losses. ASU 2016-13 limits the amount of credit losses to be recognized for available for sale debt securities to the amount by which carrying value exceeds fair value and also requires the reversal of previously recognized credit losses if fair value increases. The new standard will be effective for interim and annual periods beginning after January 1, 2020, and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect on its consolidated financial statements.

10

In February 2016, the FASB issued ASU 2016-02, “Leases”, on the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight line basis over the term of the lease, respectively. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months regardless of their classification. Leases with a term of 12 months or less will be accounted for in a manner similar to the accounting under existing guidance for operating leases today. The new standard requires lessors to account for leases using an approach that is substantially equivalent to existing guidance for sales-type leases, direct financing leases and operating leases. The new standard supersedes the previous leases standard, ASC 840, "Leases". The guidance is effective for the interim and annual periods beginning on or after December 15, 2018, and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect of the guidance on its consolidated financial statements.

In January 2018, the FASB released guidance on the accounting for tax on the global intangible low-taxed income (“GILTI”) provisions of the Tax Cuts and Jobs Act (“TCJA”). The GILTI provisions impose a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations. The guidance indicates that either (i) accounting for deferred taxes related to GILTI inclusions, or (ii) treating any taxes on GILTI inclusions as period cost, are both acceptable methods subject to an accounting policy election. In accordance with SEC Staff Accounting Bulletin No. 118, and as the Company is not yet able to reasonably estimate the effect of the GILTI tax, as described in note 9 of the Company’s 2017 consolidated financial statements included in the 2017 Form 10-K, the Company has not yet adopted an accounting policy with respect to the GILTI tax.

NOTE 2:- FAIR VALUE MEASUREMENTS

The Company evaluates assets and liabilities subject to fair value measurements on a recurring basis to determine the appropriate level to classify them for each reporting period. There have been no transfers between fair value measurements levels during the three months ended March 31, 2018.

The authoritative guidance on fair value measurements establishes a consistent framework for measuring fair value on either a recurring or nonrecurring basis whereby inputs, used in valuation techniques, are assigned a hierarchical level. The following are the hierarchical levels of inputs to measure fair value:

• Level 1: Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2: Observable inputs that reflect quoted prices for identical assets or liabilities in markets that are not active; quoted prices for similar assets or liabilities in active markets; inputs other than quoted prices that are observable for the assets or liabilities; or inputs that are derived principally from or corroborated by observable market data by correlation or other means.

• Level 3: Unobservable inputs reflecting the Company’s own assumptions incorporated in valuation techniques used to determine fair value. These assumptions are required to be consistent with market participant assumptions that are reasonably available.

The following table sets forth the Company’s assets and liabilities that were measured at fair value as of March 31, 2018 and December 31, 2017 by level within the fair value hierarchy (in thousands):

	As of March 31, 2018 (unaudited)										As of December 31, 2017
	Level I		Level II			Level III		Fair Value			Level I		Level II		Level III		Fair Value
Financial assets:
Cash equivalents:
Money market funds		9,029		–			–		9,029			6,870		–		–		6,870
Short-term investments:
US Treasury securities		37,717		–			–		37,717			39,731		–		–		39,731
Term bank deposits		45,175		–			–		45,175			40,137		–		–		40,137
Other current assets:
Forward foreign exchange contracts		–		–			–		–			–		163		–		163
Financial liabilities:
Forward foreign exchange contracts		–		(2,029	)		–		(2,029	)		–		–		–		–
Total financial assets (liabilities)	$	91,921	$	(2,029	)	$	–	$	89,892		$	86,738	$	163	$	–	$	86,901

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NOTE 3:- COMMITMENTS AND CONTINGENT LIABILITIES

a. Liens:

The Company has several liens granted to financial institutions mainly to secure various operating lease agreements in connection with its office space.

b. Lease Commitments:

The Company rents its facilities in all locations under operating leases with lease periods expiring from 2018 - 2026. The lease agreement of VSL includes extension options. VSL leases cars for its employees under operating lease agreements expiring at various dates from 2018 – 2021.

Aggregate minimum rental commitments under non-cancelable leases as of March 31, 2018 for the upcoming years were as follows:

	(unaudited)
2018	$	4,733
2019		5,455
2020		4,669
2021		5,025
2022		5,064
Thereafter		21,960
	$	46,906

Total rent expenses for the three months ended March 31, 2018 and 2017 were $980 and $883, respectively. The total minimum rent to be received in the future under the non-cancelable sublease as of March 31, 2018 was $532.

For leases that contain predetermined fixed escalations of the minimum rent, the Company recognizes the related rent expense on a straight-line basis from the date of possession of the property to the end of the initial lease term. The Company records any differences between the straight-line rent amounts and amounts payable under the leases as part of deferred rent, in accrued liabilities or long-term liabilities, as appropriate. Cash or lease incentives received upon entering into certain leases (“tenant allowances”) are recognized on a straight-line basis as a reduction to rent from the date of possession of the property through the end of the initial lease term. The Company records the unamortized portion of tenant allowances as a part of deferred rent, in current liabilities or other long-term liabilities, as appropriate.

c. Credit Facility:

On March 31, 2014, the Company entered into a promissory note and related security documents with Bank Leumi USA. The Company may borrow up to $7,000 against certain of its accounts receivable outstanding amount, based on several conditions, at an annual interest rate of the Wall Street Journal Prime Rate less 0.15%; provided, however, that the annual interest rate for advances will not be less than 4.10%. As of March 31, 2018, that rate amounted to 4.60%. This promissory note enables the Company, among other things, to engage in foreign currency hedging transactions with Bank Leumi USA to manage exposure to foreign currency risk without restricted cash requirements. The Company may borrow under the promissory note until August 15, 2018 at which time the principal sum of each such loan, together with accrued and unpaid interest payable, will become due and payable. As of March 31, 2018, the Company had no balance outstanding under the promissory note. As part of the transaction, the Company granted the lender a security interest in its personal property, excluding intellectual property and other intangible assets. The promissory note also contains customary events of default.

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NOTE 4:– STOCKHOLDERS’ EQUITY

a. On December 30, 2005, the Company’s board of directors adopted the Varonis Systems, Inc. 2005 Stock Plan (the “2005 Stock Plan”). As of December 31, 2013, the Company had reserved 4,713,319 shares of common stock available for issuance to employees, directors, officers and consultants of the Company and its subsidiaries. The options generally vest over four years. No awards were granted under the 2005 Stock Plan subsequent to December 31, 2013, and no further awards will be granted under the 2005 Stock Plan.

On November 14, 2013, the Company’s board of directors adopted the Varonis Systems, Inc. 2013 Omnibus Equity Incentive Plan (the “2013 Plan”) which was subsequently approved by the Company’s stockholders. The Company initially reserved 1,904,633 shares of common stock for issuance under the 2013 Plan to employees, directors, officers and consultants of the Company and its subsidiaries. The number of shares of common stock available for issuance under the 2013 Plan was increased on January 1, 2016 and will be increased on each January 1 thereafter by four percent (4%) of the number of shares of common stock issued and outstanding on each December 31 immediately prior to the date of increase (rounded down to the nearest whole share), but the amount of each increase will be limited to the number of shares of common stock necessary to bring the total number of shares of Common Stock available for grant and issuance under the 2013 Plan to five percent (5%) of the number of shares of common stock issued and outstanding on each December 31. On January 1, 2018, 2017 and 2016, the share reserve under the 2013 Plan was automatically increased by 1,125,846, 1,072,870 and 1,042,766 shares, respectively. Awards granted under the 2013 Plan generally vest over four years. Any award that is forfeited or canceled before expiration becomes available for future grants under the 2013 Plan.

A summary of employees’ stock options activities during the three months ended March 31, 2018 is as follows:

	Three Months Ended March 31, 2018 (unaudited)
	Number			Weighted average exercise price		Aggregate intrinsic value (in thousands)		Weighted average remaining contractual life (years)
Options outstanding as of January 1, 2018		1,456,285		$	16.172	$	47,152		4.906
Granted		-		$	-
Exercised		(203,474	)	$	17.596
Forfeited		(1,234	)	$	22.070
Options outstanding as of March 31, 2018		1,251,577		$	15.935	$	55,777		4.622
Options exercisable at the end of the period		1,122,468		$	15.151	$	50,903		4.367

The aggregate intrinsic value in the table above represents the total intrinsic value that would have been received by the option holders had all option holders exercised their options on the last date of the period. Total intrinsic value of options exercised for the three months ended March 31, 2018 was $7,824.

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b. The options outstanding as of March 31, 2018 (unaudited) have been separated into ranges of exercise price as follows:

Range of exercise price			Options outstanding as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price		Options exercisable as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price of options exercisable
$1.039	-	1.576		361,725		1.090	$	1.275		361,725		1.090	$	1.275
$6.230	-	8.800		28,656		3.776	$	7.174		28,656		3.776	$	7.174
$12.470	-	16.870		204,001		5.534	$	13.387		180,041		5.220	$	12.923
$19.510	-	21.660		328,024		6.375	$	21.205		266,979		6.341	$	21.201
$22.010	-	24.230		148,740		6.047	$	22.297		138,475		6.042	$	22.318
	$29.880			92,028		6.899	$	29.880		58,189		6.899	$	29.880
	$39.860			88,403		5.978	$	39.860		88,403		5.978	$	39.860
				1,251,577		4.622	$	15.935		1,122,468		4.367	$	15.151

c.         Options issued to consultants:  

The Company’s outstanding options granted to consultants for services as of March 31, 2018 (unaudited) were as follows:

	Options for shares of common stock		Exercise price per share		Options exercisable		Exercisable through
	(number)				(number)
February 2013		1,500	$	12.470		1,500	February 2023
August 2013		4,188	$	21.140		4,188	August 2023
March 2014		7,844	$	39.860		7,844	March 2024
May 2014		5,991	$	22.010		5,690	May 2024
November 2014		7,032	$	21.660		5,428	November 2024
May 2015		1,312	$	19.510		730	May 2025
February 2016		2,250	$	16.870		1,050	February 2026
		30,117				26,430

d.       Restricted stock units:

A summary of restricted stock units for employees, consultants and non-employee directors of the Company for the three months ended March 31, 2018 (unaudited) is as follows:

	Number of shares underlying outstanding restricted stock units			Weighted- average grant date fair value
Unvested balance - January 1, 2018		2,018,121		$	27.32
Granted		1,061,150		$	51.95
Vested		(408,615	)	$	24.91
Forfeited		(19,900	)	$	32.66
Unvested balance – March 31, 2018		2,650,756		$	37.51

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e. As of March 31, 2018, there was $1,366 and $93,961 of total unrecognized compensation cost related to unvested employee stock options and unvested restricted stock units, respectively. This cost is expected to be recognized over a period of approximately 0.785 years and 3.127 years for stock options and restricted stock units, respectively.

f. 2015 Employee Stock Purchase Plan

On May 5, 2015, the Company’s stockholders approved the Varonis Systems, Inc. 2015 Employee Stock Purchase Plan (the “ESPP”), which the Company’s board of directors had adopted on March 19, 2015. The ESPP became effective as of June 30, 2015. The ESPP allows eligible employees to purchase shares of the Company’s common stock at a discount through payroll deductions of up to 15% of their eligible compensation, at not less than 85% of the fair market value of the Company’s common stock on the first day or last trading day in the offering period, subject to any plan limitations. The Company initially reserved 500,000 shares of common stock for issuance under the ESPP. The number of shares available for issuance under the ESPP was increased on January 1, 2016, and will increase each January 1 thereafter, by an amount equal to the lesser of (i) one percent (1%) of the number of shares of common stock issued and outstanding on each December 31 immediately prior to the date of increase, except that the amount of each such increase will be limited to the number of shares of common stock necessary to bring the total number of shares of common stock available for issuance under the ESPP to two percent (2%) of the number of shares of common stock issued and outstanding on each such December 31, or (ii) 400,000 shares of common stock. On January 1, 2018, 2017 and 2016, the share reserve under the ESPP was automatically increased by 188,813, 158,695 and 21,383 shares, respectively. The ESPP will continue in effect until the earlier of (i) the date when no shares of common stock are available for issuance thereunder or (ii) June 30, 2025; unless terminated prior thereto by the Company’s board of directors or compensation committee, each of which has the right to terminate the ESPP at any time.

g. Stock-based compensation expense for employees and consultants:

The Company recognized non-cash stock-based compensation expense in the consolidated statements of operations as follows:

	Three Months Ended March 31,
	2018		2017
	(unaudited)
	(in thousands)
Cost of revenues	$	362	$	227
Research and development		2,105		1,130
Sales and marketing		3,101		2,059
General and administrative		1,359		988
Total	$	6,927	$	4,404

Since the Company is in a net loss position for all periods presented, basic net loss per share is the same as diluted net loss per share for all the periods as the inclusion of all potential common shares outstanding would have been anti-dilutive. There were 3,932,450 and 4,339,384 potentially dilutive shares from the conversion of outstanding RSUs and stock options that were not included in the calculation of diluted net loss per share as of March 31, 2018 and 2017, respectively.   

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NOTE 5:- GEOGRAPHIC INFORMATION AND MAJOR CUSTOMER AND PRODUCT DATA

Summary information about geographic areas:

ASC 280, “Segment Reporting,” establishes standards for reporting information about operating segments. Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. The Company manages its business on the basis of one reportable segment and derives revenues from licensing of software and sales of professional services, maintenance and technical support (see note 1 for a brief description of the Company’s business). The following is a summary of revenues within geographic areas:

	Three Months Ended March 31,
	2018		2017
	(unaudited)		(as adjusted)
	(in thousands)
Revenues based on customer’s location:
North America	$	31,620	$	25,437
EMEA (*)		20,347		12,695
Rest of World		1,561		1,461
Total revenues	$	53,528	$	39,593

(*)       Sales to customers in the UK accounted for $5,694 and $4,077 of the Company’s revenues for the three months ended March 31, 2018 and 2017, respectively. Sales to customers in France accounted for $6,754 of the Company’s revenues for the three months ended March 31, 2018. Sales to customers in France did not exceed 10% of total revenues for the three months ended March 31, 2017.

	March 31, 2018		December 31, 2017
	(unaudited)
	(in thousands)
Long-lived assets by geographic region:
United States	$	7,096	$	7,072
Israel		3,166		2,944
France		1,357		1,426
Other		561		454
	$	12,180	$	11,896

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and related notes appearing elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for our fiscal year ended December 31, 2017.

Special Note Regarding Forward-Looking Statements

This report contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those discussed in the forward-looking statements. The statements contained in this report that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Forward-looking statements are often identified by the use of words such as, but not limited to, “anticipate,” “believe,” “can,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “project,” “seek,” “should,” “strategy,” “target,” “will,” “would” and similar expressions or variations intended to identify forward-looking statements. These statements are based on the beliefs and assumptions of our management based on information currently available to management. Such forward-looking statements are subject to risks, uncertainties and other important factors that could cause actual results and the timing of certain events to differ materially from future results expressed or implied by such forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those identified below and those discussed in the section titled “Risk Factors” included under Part II, Item 1A below. Furthermore, such forward-looking statements speak only as of the date of this report. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.

Overview

Varonis is a pioneer in data security and analytics, fighting a different battle than conventional cybersecurity companies. We are pioneers because over a decade ago, we recognized that enterprise capacity to create and share data far exceeded its capacity to protect it. We believed the vast movement of information from analog to digital mediums combined with increasing information dependence would change both the global economy and the risk profiles of corporations and government. Since then our focus has been on using innovation to address the cyber-implications of this movement, creating software that provides new ways to track and protect data wherever it is stored.

Our software allows enterprises to protect data stored on premises and in the cloud: sensitive files and emails; confidential customer, patient and employee data; financial records; strategic and product plans; and other intellectual property. Recognizing the complexities of securing data, we have built a single integrated platform for security and analytics to simplify and streamline security and data management.

The Varonis Data Security Platform, built on patented technology, allows enterprises to protect data against insider threats and cyberattacks. Our products enable enterprises to analyze data, account activity and user behavior to detect attacks. Our Data Security Platform prevents or limits unauthorized use of sensitive information, prevents potential cyberattacks and limits others by locking down sensitive and stale data. Our product efficiently sustains a secure state with automation and addresses additional important use cases including governance, compliance, classification and threat analytics. Our Data Security Platform is driven by a proprietary technology, our Metadata Framework, that extracts critical metadata, or data about data, from an enterprise’s IT infrastructure. Our Data Security Platform uses this contextual information to map functional relationships among employees, data objects, content and usage.

We started operations in 2005 with a vision to make enterprise data more accessible, manageable, secure and actionable. We began offering our flagship product, DatAdvantage, which provides centralized visibility for enterprise data, in 2006. Since then we have continued to invest in innovation and have consistently introduced new products to our customers. In 2006, we introduced DataPrivilege as our self-service web portal for business users. In 2008, we enhanced our DatAdvantage offering with DatAdvantage for UNIX/Linux. In 2009, we introduced the Data Classification Engine (formally called the IDU Classification Framework) for sensitive data classification and DatAdvantage for SharePoint. We further enhanced our DatAdvantage offering by releasing DatAdvantage for Exchange in 2010, enabling our customers to exercise control over the information transferred through corporate e-mails. In 2011, we introduced DatAdvantage for Directory Services for increased visibility into Active Directory.

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In 2012, we released the Data Transport Engine for intelligent data migration and archiving and DatAnywhere for secure hybrid cloud collaboration. In 2013, we introduced DatAlert to monitor and alert on sensitive data and file activity. In 2014, we introduced DatAnswers, a secure enterprise search solution for enterprise data that delivers highly relevant and secure search results to enterprise employees, greatly improving their productivity. In 2015, we enhanced our DatAdvantage, DataPrivilege and Data Classification Engine offerings; with DatAdvantage support for the following Microsoft Office 365 data stores: Exchange Online, SharePoint Online, OneDrive and Active Directory hosted in Azure; with DataPrivilege for SharePoint; and with Data Classification Engine for UNIX, SharePoint Online and OneDrive. In 2016, we enhanced our DatAdvantage offerings with additional Office 365 support; DatAnswers support for SharePoint Online and OneDrive; and introduced a new web user interface, or UI, for DatAlert for comprehensive security management and threat detection. In that year we also added additional user behavior analytics driven threat models to DatAlert to significantly enhance our detection of insider threats, including potential disgruntled employees, rogue administrators, hijacked accounts and malware, such as ransomware. We also established a behavioral research laboratory where a dedicated team of security experts and data scientists from Varonis continually research the latest threats and emerging security vulnerabilities and introduce new behavior-based threat models to DatAlert.

In 2017, we introduced the Automation Engine to allow customers to automatically repair and maintain file systems so that organizations are less vulnerable to attacks and security breaches, more compliant and consistently meeting a least privilege model. We enhanced DatAlert with DatAlert Analytics Rewind to allow customers to analyze past user and data activity to identify security breaches that may have occurred in the past and pre-emptively tune out false positives. We have continued to update our web UI for DatAlert and added new threat models to detect suspicious mailbox, Exchange and Exchange Online behaviors, password resets, unusual activity from personal devices and more. We introduced a new security dashboard in DatAlert, along with enhanced behavioral analytics, geolocation and more to make it easier than ever to perform security investigations and forensics. In 2017, we also released GDPR Patterns, part of the Data Classification Engine family, to help enterprises identify data that falls under the GDPR and expanded our offerings that can help enterprises meet compliance and regulation requirements.

In 2018, we introduced Varonis Edge, which analyzes perimeter devices like DNS, VPN and Web Proxy to detect attacks like malware, APT intrusion and data exfiltration. Varonis Edge enables enterprises to correlate events and alerts to track potential data leaks and spot vulnerabilities at the point of entry. We also made enhancements to DatAlert adding GDPR threat models to enable customers to more easily monitor and track when suspicious activity occurs on GDPR data, including maps and geolocation to the DatAlert web UI to help track cyberattacks to a specific location. 

At the core of our technology is our ability to intelligently extract and analyze metadata from an enterprise’s vast, distributed data stores. The broad applicability of our technology has resulted in our customers deploying our platform for numerous use cases for security, IT, operations and business personnel. We currently have six product families, DatAdvantage (including the Automation Engine), DatAlert (including Varonis Edge), Data Classification Engine (including GDPR Patterns), DataPrivilege, Data Transport Engine and DatAnswers. As of February 1, 2018, in order to focus our resources on our data security portfolio, we no longer sell DatAnywhere to new customers, and we do not expect renewals or sales of the product to our existing customers. In addition, beginning in 2018, DatAlert and Varonis Edge became a new product family. The attach rates and customer counts as of March 31, 2018 and 2017 reflect these changes. As of March 31, 2018 and 2017, approximately 70% and 66% of our customers purchased products in two or more product families, respectively, one of which was DatAdvantage for each of these customers. As of March 31, 2018 and 2017, approximately 37% and 31% of our customers purchased products in three or more product families, respectively, one of which was DatAdvantage for each of these customers. We believe our existing customer base serves as a strong source of incremental revenues given our broad platform of products, their growing volumes and complexity of enterprise data and associated security concerns. Our maintenance renewal rate for each of the three months ended March 31, 2018 and 2017, was over 90%. Our key strategies to maintain our renewal rate include focusing on the quality and reliability of our customer service and support to ensure our customers receive value from our products, providing consistent software upgrades and having sufficient dedicated renewal sales personnel.

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We sell substantially all of our products and services to channel partners, including distributors and resellers, which sell to end-user customers, which we refer to in this report as our customers. We believe that our sales model, which combines the leverage of a channel sales model with our highly trained and professional sales force, has and will continue to play a major role in our ability to grow and to successfully deliver our unique value proposition for enterprise data. While our products serve customers of all sizes, in all industries and all geographies, the marketing focus and majority of our sales focus is on targeting organizations with 1,000 users or more who can make larger purchases with us over time and have a greater potential lifetime value. As of March 31, 2018, we had approximately 6,000 customers, spanning leading firms in the financial services, healthcare, public, industrial, insurance, energy and utilities, consumer and retail, education, media and entertainment and technology sectors. We believe our customer count is a key indicator of our market penetration and the value that our products bring to our customer base. We also believe our existing customers represent significant future revenue opportunities for us. We will continue our focus on targeting organizations with 1,000 users or more who can make larger purchases with us over time.

We believe there is a significant long term growth opportunity in both domestic and foreign markets, which could include any organization that uses file shares, intranets and email for collaboration, regardless of region. For the three months ended March 31, 2018, approximately 59% of our revenues were derived from North America, while Europe, the Middle East and Africa accounted for approximately 38% of our revenues and Rest of World (“ROW”) accounted for approximately 3% of our revenues. Growth in North America was strong, increasing 24% for the three months ended March 31, 2018 as compared to the three months ended March 31, 2017. In EMEA, growth was particularly strong for the three months ended March 31, 2018 rising 60% as compared to the three months ended March 31, 2017. We expect both continued sales growth in North America and international expansion to be key components of our growth strategy, and we will continue to market our products and services in international markets.

We plan to continue to expand our international operations as part of our growth strategy. The expansion of our international operations depends in particular on our ability to hire, integrate and retain local sales and marketing personnel in these international markets, acquire new channel partners and implement an effective marketing strategy. Given the nominal amount of our ROW revenues, our ROW revenue growth rates have fluctuated in the past and may fluctuate in the future based on the timing of deal closures. In addition, the further expansion of our international operations will increase our sales and marketing and general and administrative expenses and will subject us to a variety of risks and challenges, including those related to economic and political conditions in each region, compliance with foreign laws and regulations, and compliance with domestic laws and regulations applicable to our international operations.

We derive revenues from license sales of our products, services, including initial maintenance contracts and professional services, and renewals. As of March 31, 2018 and 2017, 99.6% of our customers purchased DatAdvantage; 48.1% and 42.4% of our customers, respectively, purchased DatAlert; 45.2% and 39.0% of our customers, respectively, purchased Data Classification Engine; 16.0% and 16.9% of our customers, respectively, purchased DataPrivilege and 6.9% and 6.1% of our customers, respectively, purchased Data Transport Engine. As of March 31, 2018 and 2017, 29.4% and 33.5% of our customers, respectively, made standalone purchases of DatAdvantage, and less than 0.4% of our customers made standalone purchases of DataPrivilege. No other product family can be sold on a standalone basis. Licenses sales accounted for 46.8% and 45.7% of our total revenues for the three months ended March 31, 2018 and 2017, respectively.

We have achieved significant growth and scale in recent periods utilizing our business model. For the three months ended March 31, 2018 and 2017, our revenues were $53.5 million and $39.6 million, respectively, representing year-over-year growth of 35%. For the three months ended March 31, 2018 and 2017, we had operating losses of $15.5 million and $11.9 million and net losses of $15.0 million and $11.7 million, respectively.

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Components of Operating Results

Revenues

Our revenues consist of licenses and maintenance and services revenues.

License Revenues. License revenues reflect the revenues recognized from sales of software licenses to new customers and sales of additional licenses to existing customers who can purchase additional users for existing licenses or purchase new licenses. We are focused on acquiring new customers and increasing revenues from our existing customers.

Maintenance and Services Revenues. Maintenance and services revenues consist of revenues from maintenance agreements and, to a lesser extent, professional services. Typically, when purchasing a perpetual license, a customer also purchases a one year maintenance contract for which we charge a percentage of the license fee. Customers may renew, and generally have renewed, their maintenance agreements for a fee that is based upon a percentage of the initial license fee paid. Customers with maintenance agreements are entitled to receive support and unspecified upgrades and enhancements when and if they become available during the maintenance period. We have experienced growth in maintenance revenues primarily due to increased license sales to new and existing customers and high annual retention of existing customers. We recognize the revenues associated with maintenance ratably, on a straight-line basis, over the associated maintenance period. We measure the perpetual license maintenance renewal rate for our customers over a 12-month period, based on a dollar renewal rate for contracts expiring during that time period. Our maintenance renewal rate for each of the three months ended March 31, 2018 and 2017 has been over 90%. We also offer professional services focused on both deployment and training our customers to fully leverage the use of our products. We recognize the revenues associated with these professional services, which are generally provided on a time and materials basis, as we deliver the services, provide the training or when the service term has expired.

The following table sets forth the percentage of our revenues that have been derived from licenses and maintenance and services revenues for the periods presented.

	Three Months Ended March 31,
	2018			2017
	(as a percentage of total revenues)
Revenues:
Licenses		46.8	%		45.7	%
Maintenance and services		53.2			54.3
Total revenues		100.0	%		100.0	%

Our products are used by a wide range of enterprises, including Fortune 500 corporations and small and medium-sized businesses. As of March 31, 2018, we had approximately 6,000 customers across a broad array of company sizes and industries located in over 75 countries.

Cost of Revenues, Gross Profit and Gross Margin

Our cost of revenues consists of cost of maintenance and services revenues. Cost of maintenance and services revenues consist primarily of salaries (including payroll tax expense related to stock-based compensation), employee benefits (including commissions and bonuses) and stock-based compensation for our maintenance and services employees; travel expenses; and allocated overhead costs for facilities, IT and depreciation of equipment. We recognize expenses related to maintenance and services as they are incurred. We expect that our cost of maintenance and services revenues will increase in absolute dollars as we increase our headcount to support revenue growth.

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Gross profit is total revenues less total cost of revenues. Gross margin is gross profit expressed as a percentage of total revenues. Our gross margin has historically fluctuated slightly from period to period as a result of changes in the mix of license and maintenance and services revenues. Due to the seasonality of our business, the first quarter typically results in the lowest gross margin as our first quarter revenues have historically been the lowest for the year and the majority of our expenses are relatively fixed quarter over quarter. Conversely, the fourth quarter typically results in the highest gross margin as our fourth quarter revenues have historically been the highest for the year.

Operating Costs and Expenses

Our operating costs and expenses are classified into three categories: research and development, sales and marketing and general and administrative. For each category, the largest component is personnel costs, which consists of salaries (including payroll tax expense related to stock-based compensation), employee benefits (including commissions and bonuses) and stock-based compensation. Operating costs and expenses also include allocated overhead costs for depreciation of equipment. Allocated costs for facilities primarily consist of rent and office maintenance. Operating costs and expenses are generally recognized as incurred. We expect personnel costs to continue to increase in absolute dollars as we hire new employees to continue to grow our business.

Research and Development. Research and development expenses primarily consist of personnel costs attributable to our research and development personnel, as well as allocated overhead costs. We expense research and development costs as incurred. We expect that our research and development expenses will continue to increase as a percentage of revenues throughout 2018 and in absolute dollars as we increase our research and development headcount to further strengthen our technology platform and invest in the development of both existing and new products.

Sales and Marketing. Sales and marketing expenses are the largest component of our operating costs and expenses and consist primarily of personnel costs, as well as marketing and business development costs, travel expenses, training and education and allocated overhead costs. We expect that sales and marketing expenses will continue to increase in absolute dollars, as we plan to expand our sales and marketing efforts, both domestically and internationally. We expect sales and marketing expenses to be our largest category of operating costs and expenses as we continue to expand our business worldwide.

General and Administrative. General and administrative expenses mostly consist of personnel and facility-related costs for our executive, finance, legal, human resources and administrative personnel. Other expenses are comprised of legal, accounting and other consultant fees and other corporate expenses and allocated overhead. We expect that general and administrative expense will increase in absolute dollars as we grow and expand our operations, including higher legal, corporate insurance and accounting expenses, and the additional costs of achieving and maintaining compliance with the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act”) and related regulations.

Financial Income (Expenses), Net

Financial income (expenses), net consist primarily of foreign exchange gains or losses and net interest. Foreign exchange gains or losses relate to our business activities in foreign countries with different operational reporting currencies. As a result of our business activities in foreign countries, we expect that foreign exchange gains or losses will continue to occur due to fluctuations in exchange rates in the countries where we do business. The United Kingdom’s decision to exit the European Union (“Brexit”), as well as other member countries public discussions about the possibility of also withdrawing, could also contribute to instability and volatility in the global financial and foreign exchange markets, including volatility in the value of Pounds Sterling, Euros and other currencies. Net interest represents interest income received on our cash, cash equivalents and short-term investments.

Income Taxes

We operate in several tax jurisdictions and are subject to taxes in each country or jurisdiction in which we conduct business. Earnings from our non-U.S. activities are subject to local country income tax and may be subject to U.S. income tax. To date, on a consolidated basis, we have incurred accumulated net losses and have not recorded any U.S. federal tax provisions.

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Because of our history of U.S. net operating losses, we have established a full valuation allowance against potential future benefits for deferred tax assets, including loss carryforwards, in that jurisdiction; however, we have recorded a deferred tax asset of $0.2 million as of March 31, 2018 for foreign jurisdictions. Our income tax provision could be significantly impacted by estimates surrounding our uncertain tax positions and changes to our valuation allowance in future periods. We reevaluate the judgments surrounding our estimates and make adjustments as appropriate each reporting period.

Our Israeli subsidiary currently qualifies as a “Beneficiary Enterprise” which, upon fulfillment of certain conditions, allows it to qualify for a reduced tax rate based on the beneficiary program guidelines.

In addition, we are subject to the continuous examinations of our income tax returns by different tax authorities. We regularly assess the likelihood of adverse outcomes resulting from these examinations to determine the adequacy of our provision for income taxes.

On December 22, 2017, the 2017 Tax Cuts and Jobs Act (“TCJA”) was signed into law making significant changes to the Internal Revenue Code of 1986, as amended (the “Code”). These changes include, but are not limited to:

· A corporate tax rate decrease from 35% to 21% effective for tax years beginning after December 31, 2017;

· The transition of U.S international taxation from a worldwide tax system to a territorial system;

· A one-time transition tax on the mandatory deemed repatriation of cumulative foreign earnings as of December 31, 2017;

· Taxation of GILTI earned by foreign subsidiaries beginning after December 31, 2017. The GILTI tax imposes a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations; and

· Taxation of base erosion and anti-abuse (“BEAT”) payments made by U.S. corporations to foreign related parties. The BEAT tax applies only to corporations with average gross domestic sales of $500 million over three successive years.

We have calculated our best estimate of the impact of the TCJA in accordance with our understanding of the TCJA and guidance available as of the date of this filing. As a result:

· While we are able to make reasonable estimates of the impact of the reduction in corporate rate and the deemed repatriation transition tax, the final impact of the TCJA may differ from these estimates, due to, among other things, changes in our interpretations and assumptions, additional guidance that may be issued by the U.S. Internal Revenue Service (“IRS”) and actions we may take. We are continuing to gather additional information to determine the final impact of the TCJA.

· Due to the aggregated accumulated deficits of our foreign subsidiaries, we should not be subject to any transition tax under this provision of the TCJA.

· Because of the complexity of the new GILTI tax rules and expected yet to be issued guidance from the IRS, we have not yet completed our analysis of the GILTI tax rules and are not yet able to reasonably estimate the effect of this provision of the TCJA or make an accounting policy election for the ASC 740 treatment of the GILTI tax.

We should not be subject to BEAT during 2018 due to the gross domestic sales threshold.

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Results of Operations

Comparison of the Three Months Ended March 31, 2018 and 2017

The following tables are a summary of our consolidated statements of operations for the three months ended March 31, 2018 and 2017 in dollars and as a percentage of our total revenues.

	Three Months Ended March 31,
	2018			2017
	(unaudited) (in thousands)
Statement of Operations Data:
Revenues:
Licenses	$	25,074		$	18,092
Maintenance and services		28,454			21,501
Total revenues		53,528			39,593
Cost of revenues		6,442			4,693
Gross profit		47,086			34,900
Operating costs and expenses:
Research and development		15,542			10,409
Sales and marketing		39,972			30,914
General and administrative		7,069			5,509
Total operating expenses		62,583			46,832
Operating loss		(15,497	)		(11,932	)
Financial income, net		978			469
Loss before income taxes		(14,519	)		(11,463	)
Income taxes		(527	)		(200	)
Net loss	$	(15,046	)	$	(11,663	)

	Three Months Ended March 31,
	2018			2017
	(as a percentage of total revenues)
Statement of Operations Data:
Revenues:
Licenses		46.8	%		45.7	%
Maintenance and services		53.2			54.3
Total revenues		100.0			100.0
Cost of revenues		12.0			11.9
Gross profit		88.0			88.1
Operating costs and expenses:
Research and development		29.1			26.3
Sales and marketing		74.7			78.0
General and administrative		13.2			13.9
Total operating expenses		117.0			118.2
Operating loss		(29.0	)		(30.1	)
Financial income, net		1.9			1.1
Loss before income taxes		(27.1	)		(29.0	)
Income taxes		(1.0	)		(0.5	)
Net loss		(28.1	)%		(29.5	)%

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Revenues

	Three Months Ended March 31,
	2018		2017		% Change
	(unaudited) (in thousands)
Revenues:
Licenses	$	25,074	$	18,092		38.6	%
Maintenance and services		28,454		21,501		32.3	%
Total revenues	$	53,528	$	39,593		35.2	%

	Three Months Ended March 31,
	2018			2017
	(as a percentage of total revenues)
Revenues:
Licenses		46.8	%		45.7	%
Maintenance and services		53.2	%		54.3	%
Total revenues		100.0	%		100.0	%

Total revenue growth was achieved due to increased demand for our products and services from existing and new customers, mostly in international markets, as well as in the domestic market. The increase in license revenues was driven by sales to existing customers as well as larger aggregate sales to 183 new customers in the three months ended March 31, 2018 compared to the aggregate sales from 184 new customers in the three months ended March 31, 2017. As of March 31, 2018 and 2017, we had approximately 6,000 and approximately 5,150 customers, respectively. Almost all of our license revenues was attributable to sales of perpetual licenses. The increase in maintenance and services revenues was primarily due to an increase in the sale of maintenance agreements resulting from the growth of our installed customer base. In each of the three months ended March 31, 2018 and 2017, our maintenance renewal rate was over 90%. Of the license and first year maintenance and services revenues recognized in the three months ended March 31, 2018, 51% was attributable to revenues from new customers, and 49% was attributable to revenues from existing customers. Of the license and first year maintenance and services revenues recognized in the three months ended March 31, 2017, 54% was attributable to revenues from new customers, and 46% was attributable to revenues from existing customers. As of March 31, 2018 and 2017, 70% and 66%, respectively, of our customers purchased two or more product families. As of March 31, 2018 and 2017, 37% and 31%, respectively, of our customers purchased three or more product families.

Cost of Revenues and Gross Margin

	Three Months Ended March 31,
	2018		2017		% Change
	(unaudited) (in thousands)
Cost of revenues	$	6,442	$	4,693		37.3	%

	Three Months Ended March 31,
	2018			2017
	(as a percentage of total revenues)
Total gross margin		88.0	%		88.1	%

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The increase in cost of revenues was primarily related to an increase of $1.6 million in salaries and benefits and stock based compensation expense due to increased headcount for support personnel to support our increased revenues and high renewal rate.

Operating Costs and Expenses

	Three Months Ended March 31,
	2018		2017		% Change
	(unaudited) (in thousands)
Operating costs and expenses:
Research and development	$	15,542	$	10,409		49.3	%
Sales and marketing		39,972		30,914		29.3	%
General and administrative		7,069		5,509		28.3	%
Total operating expenses	$	62,583	$	46,832		33.6	%

	Three Months Ended March 31,
	2018			2017
	(as a percentage of total revenues)
Operating costs and expenses:
Research and development		29.1	%		26.3	%
Sales and marketing		74.7	%		78.0	%
General and administrative		13.2	%		13.9	%
Total operating expenses		117.0	%		118.2	%

The increase in research and development expenses was primarily related to an increase of $4.0 million in salaries and benefits and stock based compensation expense resulting from increased headcount as part of our focus on enhancing and developing our existing and new products and a $1.0 million increase in facilities and allocated overhead costs.

The increase in sales and marketing expenses was primarily related to a $7.6 million increase in salaries and benefits and stock based compensation expense due to increased headcount to expand our sales force and commissions on increased customer orders. Of the remainder, $1.0 million was related to facilities and allocated overhead costs.

The increase in general and administrative expenses was primarily related to an increase of $1.0 million in salaries and benefits and stock based compensation expense due to increased headcount to support the overall growth of our business and a $0.5 million increase in professional fees.

Financial Income, Net

	Three Months Ended March 31,
	2018		2017		% Change
	(unaudited)
	(in thousands)
Financial income, net	$	978	$	469		108.5	%

Financial income, net for the three months ended March 31, 2018 and 2017 was primarily due to foreign currency gains.

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Income Taxes

	Three Months Ended March 31,
	2018			2017			% Change
	(unaudited)
	(in thousands)
Income taxes	$	(527	)	$	(200	)		(163.5	)%

Income taxes for the three months ended March 31, 2018 and 2017 were comprised primarily of foreign income taxes.

Liquidity and Capital Resources

The following table shows our cash flows from operating activities, investing activities and financing activities for the stated periods:

	Three Months Ended March 31,
	2018			2017
	(unaudited)
	(in thousands)
Net cash provided by operating activities	$	17,444		$	8,297
Net cash used in investing activities		(4,422	)		(6,395	)
Net cash provided by financing activities		1,066			882
Increase in cash, cash equivalents and restricted cash	$	14,088		$	2,784

On March 31, 2018, our cash and cash equivalents and short-term investments of $153.7 million were held for working capital purposes and were invested primarily in short-term investments. We intend to increase our investment in capital expenditures in 2018 to support the growth in our business and operations. We believe that our existing cash and cash equivalents, short-term investments and cash flow from operations will be sufficient to fund our operations and capital expenditures for at least the next 12 months. Our future capital requirements will depend on many factors, including our rate of revenue growth, the expansion of our sales and marketing activities, the timing and extent of spending to support product development efforts and expansion into new geographic locations, the timing of introductions of new software products and enhancements to existing software products, the continuing market acceptance of our software offerings and our use of cash to pay for acquisitions, if any.

Operating Activities

Net cash provided by operating activities is driven by sales of our products less costs and expenses, primarily payroll and related expenses, and adjusted for certain non-cash items, mainly depreciation and stock-based compensation, and changes in operating assets and liabilities. Changes in operating assets and liabilities are driven mainly by collection of accounts receivable from the sales of our software products and services and deferred revenues which represent unearned amounts billed to our channel partners, related to these sales.

For the three months ended March 31, 2018, cash inflows from our operating activities were $17.4 million. We have observed two seasonal patterns that impact our net cash provided by operating activities. First, a majority of our sales are made during the last four weeks of the quarter. Second, the highest dollar amount of sales of our products and services occurs in the fourth quarter. Consequently, we end the fourth quarter with our highest accounts receivable balance of any quarter which in turn generates the greatest amount of collections in the following quarter. These seasonal trends also impact our operating loss because the majority of our expenses are relatively fixed in the short term. For the three months ended March 31, 2018, sources of cash inflows were from changes in our working capital, including a $43.1 million decrease in accounts receivable. Our days’ sales outstanding (“DSO”) for the three months ended March 31, 2018 was 62. Additional sources of cash inflows were from a $0.2 million increase in other long term liabilities. This was partially offset by our net loss excluding non-cash charges of $4.0 million. Our net loss was primarily driven by increased headcount of our sales and research and development personnel. Additional sources of cash outflows included a $8.2 million decrease in accrued expenses and other liabilities, a $8.2 million increase in prepaid expenses and other current assets (including deferred commissions) and a $5.4 million decrease in deferred revenues. 

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For the three months ended March 31, 2017, cash inflows from our operating activities were $8.3 million. For the three months ended March 31, 2017, the decrease in account receivable provided a $26.4 million source of cash. Our DSO for the three months ended March 31, 2017 was 66 days. For the three months ended March 31, 2017, the $0.3 million increase in trade payables provided an additional source of cash inflows. This was partially offset by our net loss excluding non-cash charges of $3.6 million. Our net loss was primarily driven by increased headcount of our sales and research and development personnel. Additional sources of cash outflows included a $6.4 million decrease in accrued expenses and other short term liabilities, a $5.4 million increase in prepaid expenses and other current assets (including deferred commissions), a $2.4 million decrease in deferred revenues and a $0.5 million decrease in other long term liabilities.

Investing Activities

Our investing activities consist primarily of capital expenditures to purchase property and equipment, leasehold improvements, maturities and purchases of short-term investments and changes in our restricted cash. In the future, we expect to continue to incur capital expenditures to support our expanding operations.

During the three months ended March 31, 2018, net cash used in investing activities of $4.4 million was primarily attributable to a $3.3 million increase in short-term and long-term investments and $1.1 million in capital expenditures to support our growth during the period including hardware, software, office equipment and leasehold improvements mainly in connection with new office space.

During the three months ended March 31, 2017, net cash used in investing activities of $6.4 million was primarily attributable to a $4.8 million increase in short-term deposits and $1.5 million in capital expenditures to support our growth during the period including hardware, software, office equipment and leasehold improvements mainly in connection with new office space.

Financing Activities

For the three months ended March 31, 2018 and 2017, net cash provided by financing activities of $1.1 million and $0.9 million, respectively, was attributable to net proceeds from employee stock plans.

Promissory Note

On March 31, 2014, we entered into a promissory note and related security documents with Bank Leumi USA. We may borrow up to $7.0 million against certain of our accounts receivable outstanding amount, based on several conditions, at an annual interest rate of the Wall Street Journal Prime Rate less 0.15%; provided, however, that the annual interest rate for advances will not be less than 4.10%. As of March 31, 2018, that rate amounted to 4.60%. This promissory note enables us, among other things, to engage in foreign currency hedging transactions with Bank Leumi USA to manage our exposure to foreign currency risk without restricted cash requirements. We may borrow under the promissory note until August 15, 2018 at which time the principal sum of each such loan, together with accrued and unpaid interest payable, will become due and payable. As of March 31, 2018, we had no balance outstanding under the promissory note. As part of the transaction, we granted the lender a security interest in our personal property, excluding intellectual property and other intangible assets. The promissory note also contains customary events of default.

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Contractual Payment Obligations

Our principal commitments primarily consist of obligations under leases for office space and motor vehicles. Aggregate minimum rental commitments under non-cancelable leases as of March 31, 2018 for the upcoming years were as follows:

	Payments Due by Period
	2018		2019		2020		2021		2022		Thereafter		Total
	(in thousands)
Operating lease obligations	$	4,733	$	5,455	$	4,669	$	5,025	$	5,064	$	21,960	$	46,906

We have obligations related to unrecognized tax benefit liabilities totaling $3.7 million and others related to severance pay, which have been excluded from the table above as we do not believe it is practicable to make reliable estimates of the periods in which payments for these obligations will be made.

Off-Balance Sheet Arrangements

As of March 31, 2018, we did not have any off-balance sheet arrangements.

Critical Accounting Policies and Estimates

We prepare our consolidated financial statements in accordance with generally accepted accounting principles in the United States. The preparation of consolidated financial statements also requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, costs and expenses and related disclosures. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results could differ significantly from the estimates made by our management. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected. We believe that the accounting policies discussed below are critical to understanding our historical and future performance, as these policies relate to the more significant areas involving management’s judgments and estimates. Critical accounting policies and estimates are those that we consider the most important to the portrayal of our financial condition and results of operations because they require our most difficult, subjective or complex judgments, often as a result of the need to make estimates about the effect of the matters that are inherently uncertain.

Except for the accounting policies for revenue recognition and deferred commissions that were updated as a result of adopting ASU 606, there have been no other changes to our critical accounting policies and estimates described in the 2017 Form 10-K that have had a material impact on our consolidated financial statements and related notes. These changes are more fully described in note 1 to our consolidated financial statements.

Recently Issued Accounting Pronouncements

In January 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses on Financial Instruments”, which requires that expected credit losses relating to financial assets measured on an amortized cost basis and available for sale debt securities be recorded through an allowance for credit losses. ASU 2016-13 limits the amount of credit losses to be recognized for available for sale debt securities to the amount by which carrying value exceeds fair value and also requires the reversal of previously recognized credit losses if fair value increases. The new standard will be effective for interim and annual periods beginning after January 1, 2020, and early adoption is permitted. We are currently evaluating whether to early adopt this standard and the potential effect on our consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases”, on the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight line basis over the term of the lease, respectively. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months regardless of their classification. Leases with a term of 12 months or less will be accounted for in a manner similar to the accounting under existing guidance for operating leases today. The new standard requires lessors to account for leases using an approach that is substantially equivalent to existing guidance for sales-type leases, direct financing leases and operating leases. The new standard supersedes the previous leases standard, ASC 840, "Leases". The guidance is effective for the interim and annual periods beginning on or after December 15, 2018, and early adoption is permitted. We are currently evaluating whether to early adopt this standard and the potential effect of the guidance on our consolidated financial statements.

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In January 2018, the FASB released guidance on the accounting for tax on the GILTI provisions of the TCJA. The GILTI provisions impose a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations. The guidance indicates that either (i) accounting for deferred taxes related to GILTI inclusions, or (ii) treating any taxes on GILTI inclusions as period cost, are both acceptable methods subject to an accounting policy election. In accordance with SEC Staff Accounting Bulletin No. 118, and as we are not yet able to reasonably estimate the effect of the GILTI tax, as described in note 9 of our 2017 consolidated financial statements included in the 2017 Form 10-K, we have not yet adopted an accounting policy with respect to the GILTI tax.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

Market risk represents the risk of loss that may impact our financial position due to adverse changes in financial market prices and rates. Our market risk exposure is primarily a result of fluctuations in interest rates and foreign currency exchange rates. We do not hold or issue financial instruments for trading purposes.

 Market Risk

We are exposed to certain financial risks, including fluctuations in foreign currency exchange rates and interest rates. We manage our exposure to these market risks through internally established policies and procedures. Our policies do not allow speculation in derivative instruments for profit or execution of derivative instrument contracts for which there are no underlying exposures. We do not use financial instruments for trading purposes, and we are not a party to any leveraged derivatives. We monitor our underlying market risk exposures on an ongoing basis and, where appropriate, may use hedging strategies to mitigate these risks.

Foreign Currency Exchange Risk

Approximately one third of our revenues for the three months ended March 31, 2018 were earned in non-U.S. dollar denominated currencies, mainly in the Euro and Pound Sterling. Our expenses are generally denominated in the currencies in which our operations are located, primarily the U.S. dollar and NIS, and to a lesser extent the Euro, Pound Sterling, Canadian dollar and Australian dollar. Our NIS-denominated expenses consist primarily of personnel and overhead costs from our operations in Israel. Our consolidated results of operations and cash flow are, therefore, subject to fluctuations due to changes in foreign currency exchange rates and may be adversely affected in the future due to changes in foreign exchange rates. The effect of a hypothetical 10% change in foreign currency exchange rates applicable to our business would not have a material impact on our historical consolidated financial statements.

For purposes of our consolidated financial statements, local currency assets and liabilities are translated at the rate of exchange to the U.S. dollar on the balance sheet date, and local currency revenues and expenses are translated at the exchange rate at the date of the transaction or the average exchange rate dollar during the reporting period to the United States.

To date, we have used derivative financial instruments, specifically foreign currency forward contracts, to manage exposure to foreign currency risks, by hedging a portion of our forecasted expenses denominated in NIS expected to occur within 12 months. The effect of exchange rate changes on these contracts is expected to offset the effect of exchange rate changes on the underlying hedged item. We do not use derivative financial instruments for speculative or trading purposes.

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Interest Rate Risk

We had cash and cash equivalents and short-term investments of $153.7 million as of March 31, 2018. We hold our cash and cash equivalents and short-term investments for working capital purposes. Our cash and cash equivalents are held in cash deposits, money market funds and US Treasury securities. Due to the short-term nature of these instruments, we believe that we do not have any material exposure to changes in the fair value of our investment portfolio as a result of changes in interest rates. Declines in interest rates, however, would reduce our future interest income.

As of March 31, 2018, we had no outstanding obligations under our promissory note. To the extent we enter into other long-term debt arrangements in the future, we would be subject to fluctuations in interest rates which could have a material impact on our future financial condition and results of operation.

Inflation

We do not believe that inflation had a material effect on our business, financial condition or results of operations in the last three fiscal years. If our costs were to become subject to significant inflationary pressures, we may not be able to fully offset such higher costs through price increases. Our inability or failure to do so could harm our business, financial condition and results of operations.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act) as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of the end of the period covered by this report were effective at a reasonable assurance level in ensuring that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. We believe that a control system, no matter how well designed and operated, cannot provide absolute assurance that the objectives of the control system are met, and no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within a company have been detected.

Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting that occurred during the three months ended March 31, 2018 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Effective as of January 1, 2018, we adopted ASU 606 on a full retrospective basis which requires us to restate our historical financial information for fiscal year 2017 and to be consistent with the new standard in 2018. We implemented internal controls and key system functionality to enable the preparation of financial information upon adoption. These changes are more fully described in note 1 to our consolidated financial statements.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

We are not currently a party to any material litigation.

Item 1A. Risk Factors

Investing in our common stock involves a high degree of risk. You should carefully consider the following risks and all other information contained herein, including our consolidated financial statements and the related notes thereto, before investing in our common stock. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties that we are unaware of, or that we currently believe are not material, also may become important factors that affect us. If any of the following risks materialize, our business, financial condition and results of operations could be materially harmed. In that case, the trading price of our common stock could decline, and you may lose some or all of your investment.

Risks Related to Our Business and Industry

The market for software that analyzes, secures, manages and migrates enterprise data is new and unproven and may not grow.

We believe our future success depends in large part on the growth of the market for software that enables enterprises to analyze, secure, manage and migrate their data. In order for us to market and sell our products, we must successfully demonstrate to enterprise IT and business personnel the potential value of their data and the risk of that data getting compromised or stolen. We must persuade them to devote a portion of their budgets to a unified platform that we offer to manage, protect, secure and extract value from this resource. We cannot provide any assurance that enterprises will recognize the need for our products or, if they do, that they will decide that they need a solution that offers the range of functionalities that we offer. Software solutions focused on enterprise data may not yet be viewed as a necessity, and accordingly, our sales effort is and will continue to be focused in large part on explaining the need for, and value offered by, our solution. We can provide no assurance that the market for our solution will continue to grow at its current rate or at all. The failure of the market to develop would materially adversely impact our results of operations.

Our quarterly results of operations have fluctuated and may fluctuate significantly due to variability in our revenues which could adversely impact our stock price.

Our revenues and other results of operations have fluctuated from quarter to quarter in the past and could continue to fluctuate in the future. As a result, comparing our revenues and results of operations on a period-to-period basis may not be meaningful, and you should not rely on any particular past quarter or other period results. Our revenues depend in part on the conversion of enterprises that have installed an evaluation license for our software into paying customers. In this regard, most of our sales are typically made during the last three weeks of every quarter. We may fail to meet market expectations for that quarter if we are unable to close the number of transactions that we expect during this short period and closings are deferred to a subsequent quarter. In addition, our sales cycle from initial contact to delivery of and payment for the software license generally becomes longer and less predictable with respect to large transactions and often involves multiple meetings or consultations at a substantial cost and time commitment to us. Although we try to minimize the potential impact of large transactions on our quarterly results of operations, the closing of a large transaction in a particular quarter may raise our revenues in that quarter and thereby make it more difficult for us to meet market expectations in subsequent quarters, and our failure to close a large transaction in a particular quarter may adversely impact our revenues in that quarter. In addition, we base our current and future expense levels on our revenue forecasts and operating plans, and our expenses are relatively fixed in the short term. Accordingly, we would likely not be able to reduce our costs sufficiently to compensate for an unexpected shortfall in revenues and even a relatively small decrease in revenues could disproportionately and adversely affect our financial results for that quarter.

The variability and unpredictability of these and other factors, many of which are outside of our control, could result in our failing to meet or exceed financial expectations for a given period. If our revenues or results of operations fall below the expectations of investors or any securities analysts that cover our stock, the price of our common stock could decline substantially.

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A failure to hire and integrate additional sales and marketing personnel or maintain their productivity could adversely affect our results of operations and growth prospects.

Our business requires intensive sales and marketing activities. Our sales and marketing personnel are essential to attracting new customers and expanding sales to existing customers, both of which are key to our future growth. We face a number of challenges in successfully expanding our sales force. We must locate and hire a significant number of qualified individuals, and competition for such individuals is intense. In addition, as we expand into new markets with which we have less familiarity, we will need to recruit individuals who are multilingual or who have skills particular to a certain geography, and it may be difficult to find candidates with those qualifications. We may be unable to achieve our hiring or integration goals due to a number of factors, including, but not limited to, the number of individuals we hire, challenges in finding individuals with the correct background due to increased competition for such hires and increased attrition rates among new hires and existing personnel. Furthermore, based on our past experience, it often can take up to 12 months before a new sales force member is trained and operating at a level that meets our expectations. We invest significant time and resources in training new members of our sales force, and we may be unable to achieve our target performance levels with new sales personnel as rapidly as we have done in the past due to larger numbers of hires or lack of experience training sales personnel to operate in new jurisdictions. Our failure to hire a sufficient number of qualified individuals, to integrate new sales force members within the time periods we have achieved historically or to keep our attrition rates at levels comparable to others in our industry may materially impact our projected growth rate.

Failure to attract, recruit and retain highly qualified engineers could adversely affect our results of operations and growth prospects.

Our future success and growth depend, in part, on our ability to continue to recruit and retain highly skilled personnel, particularly engineers. Any of our employees may terminate their employment at any time and competition for highly skilled engineering personnel is frequently intense, especially in Israel, where we have a substantial presence and need for qualified engineers. Moreover, to the extent we hire personnel from other companies, we may be subject to allegations that they have been improperly solicited or may have divulged proprietary or other confidential information to us. If we are unable to attract or retain qualified engineers, our ability to innovate, introduce new products and compete would be adversely impacted, and our financial condition and results of operations may suffer.

If we fail to manage our rapid growth effectively, our business and results of operations will be adversely affected.

We have experienced rapid growth in a relatively short period of time. Our revenues grew from $74.6 million in 2013 to $215.4 million in 2017. Our number of employees and independent contractors increased from 573 as of December 31, 2013 to 1,318 as of March 31, 2018. During this period, we also established and expanded our operations in a number of countries outside the United States. We intend to continue to grow our business and plan to continue to hire new employees, particularly in our sales and marketing and research and development groups. If we cannot adequately train these new employees, including our sales force, engineers and customer support staff, our sales may not grow at the rates we project or our customers may lose confidence in the knowledge and capability of our employees. In addition, we are expanding our current operations, and we intend to make investments to continue our expansion efforts. We must successfully manage our growth to achieve our objectives. Although our business has experienced significant growth in the past, we cannot provide any assurance that our business will continue to grow at the same rate, or at all.

Our ability to effectively manage any significant growth of our business will depend on a number of factors, including our ability to do the following:

• effectively recruit, integrate, train and motivate a large number of new employees, including our sales force and engineers, while retaining existing employees, maintaining the beneficial aspects of our corporate culture and effectively executing our business plan;

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• satisfy existing customers and attract new customers;

• effectively manage existing channel partnerships and expand to new ones;

• successfully introduce new products and enhancements;

• improve our key business applications and processes to support our business needs;

• enhance information and communication systems to ensure that our employees and offices around the world are well-coordinated and can effectively communicate with each other and our growing customer base;

• enhance our internal controls to ensure timely and accurate reporting of all of our operations and financial results;

• protect and further develop our strategic assets, including our intellectual property rights; and

• make sound business decisions in light of the scrutiny associated with operating as a public company.

These activities will require significant investments and allocation of valuable management and employee resources, and our growth will continue to place significant demands on our management and our operational and financial infrastructure. There are no guarantees we will be able to grow our business in an efficient or timely manner, or at all. Moreover, if we do not effectively manage the growth of our business and operations, the quality of our software could suffer, which could negatively affect our brand, results of operations and overall business.

Our failure to continually enhance and improve our technology could adversely affect sales of our products.

The market is characterized by the exponential growth in enterprise data, rapid technological advances, changes in customer requirements, including customer requirements driven by changes to legal, regulatory and self-regulatory compliance mandates, frequent new product introductions and enhancements and evolving industry standards in computer hardware and software technology. As a result, we must continually change and improve our products in response to changes in operating systems, application software, computer and communications hardware, networking software, data center architectures, programming tools and computer language technology. Moreover, the technology in our products is especially complex because it needs to effectively identify and respond to a user’s data retention, security and governance needs, while minimizing the impact on database and file system performance. Our products must also successfully interoperate with products from other vendors.

We cannot guarantee that we will be able to anticipate future market needs and opportunities or be able to extend our technological expertise and develop new products or expand the functionality of our current products in a timely manner or at all. Even if we are able to anticipate, develop and introduce new products and expand the functionality of our current products, there can be no assurance that enhancements or new products will achieve widespread market acceptance.

Our product enhancements or new products could fail to attain sufficient market acceptance for many reasons, including:

• failure to accurately predict market demand in terms of product functionality and to supply products that meet this demand in a timely fashion;

• inability to interoperate effectively with the database technologies and file systems of prospective customers;

• defects, errors or failures;

• negative publicity or customer complaints about performance or effectiveness; and

• poor business conditions, causing customers to delay IT purchases.

If we fail to anticipate market requirements or stay abreast of technological changes, we may be unable to successfully introduce new products, expand the functionality of our current products or convince our customers and potential customers of the value of our solutions in light of new technologies. Accordingly, our business, results of operations and financial condition could be materially and adversely affected.

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We are dependent on the continued services and performance of our co-founder, Yakov Faitelson, the loss of whom could adversely affect our business.

Our future performance depends in large part on the continued services and continuing contributions of our co-founder, our Chief Executive Officer and President, Yakov Faitelson, to successfully manage our company, to execute on our business plan and to identify and pursue new opportunities and product innovations. The loss of services of Mr. Faitelson could significantly delay or prevent the achievement of our development and strategic objectives and adversely affect our business.

Due to our rapid growth, we have a limited operating history at our current scale, which makes it difficult to evaluate and predict our future prospects and may increase the risk that we will not be successful.

We have been growing rapidly in recent periods and, as a result, have a relatively short history operating our business at its current scale. For example, we have significantly increased the number of our employees and have expanded our operations and product offerings. This limits our ability to forecast our future operating results and subjects us to a number of uncertainties, including our ability to plan for and model future growth. We have encountered and will continue to encounter risks and uncertainties frequently experienced by growing companies in new markets that may not develop as expected. Because we depend in part on the market’s acceptance of our products, it is difficult to evaluate trends that may affect our business. If our assumptions regarding these trends and uncertainties, which we use to plan our business, are incorrect or change in reaction to changes in our markets, or if we do not address these risks successfully, our operating and financial results could differ materially from our expectations and our business could suffer. Moreover, although we have experienced significant growth historically, we may not continue to grow as quickly in the future. 

Our future success will depend in large part on our ability to, among other things:

• maintain and expand our business, including our customer base and operations, to support our growth, both domestically and internationally;

• hire, integrate, train and retain skilled talent, including members of our sales force and engineers;

• develop new products and services and bring products and services in beta to market;

• renew maintenance and support agreements with, and sell additional products to, existing customers;

• increase market awareness of our products and enhance our brand; and

• maintain compliance with applicable governmental regulations and other legal obligations, including those related to intellectual property, international sales and taxation.

If we fail to address the risks and difficulties that we face, including those associated with the challenges listed above as well as those described elsewhere in this “Risk Factors” section, our business will be adversely affected, and our results of operations will suffer.

If we are unable to attract new customers and expand sales to existing customers, both domestically and internationally, our growth could be slower than we expect, and our business may be harmed.

Our future growth depends in part upon increasing our customer base. Our ability to achieve significant growth in revenues in the future will depend, in large part, upon the effectiveness of our sales and marketing efforts, both domestically and internationally, and our ability to attract new customers. If we fail to attract new customers and maintain and expand those customer relationships, our revenues will grow more slowly than expected, and our business will be harmed.

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Our future growth also depends upon expanding sales of our products to existing customers and their organizations. If our customers do not purchase additional licenses or capabilities, our revenues may grow more slowly than expected, may not grow at all or may decline. There can be no assurance that our efforts would result in increased sales to existing customers ("upsells") and additional revenues. If our efforts to upsell to our customers are not successful, our business would suffer.

We may face increased competition in our market.

While there are some companies which offer certain features similar to those embedded in our solutions, as well as others with whom we compete in certain tactical use cases, we believe that we do not currently compete with a company that offers the same breadth of functionalities that we offer in a single integrated solution. Nevertheless, we do compete against a select group of software vendors, such as Veritas Technologies LLC and Quest Software, that provide standalone solutions, similar to those found in our comprehensive software suite, in the specific markets in which we operate. We also face direct competition with respect to certain of our products, specifically Data Transport Engine, DatAnswers and DatAdvantage for Directory Services. As we continue to augment our functionality with insider threat detection and user behavior analytics and as we expand our classification capabilities to better serve compliance needs with new regulations, like GDPR, we may face increased perceived and real competition from other security and classification technologies. As we expand our coverage and penetration in the cloud, we may face increased perceived and real competition from other cloud-focused technologies. In the future, as customer requirements evolve and new technologies are introduced, we may experience increased competition if established or emerging companies develop solutions that address the enterprise data market. Furthermore, because we operate in a relatively new and evolving area, we anticipate that competition will increase based on customer demand for these types of products.

In particular, if a more established company were to target our market, we may face significant competition. They may have competitive advantages, such as greater name recognition, larger sales, marketing, research and acquisition resources, access to larger customer bases and channel partners, a longer operating history and lower labor and development costs, which may enable them to respond more quickly to new or emerging technologies and changes in customer requirements or devote greater resources to the development, promotion and sale of their products than we do. Increased competition could result in us failing to attract customers or maintain licenses at the same rate. It could also lead to price cuts, alternative pricing structures or the introduction of products available for free or a nominal price, reduced gross margins, longer sales cycles and loss of market share.

In addition, our current or prospective channel partners may establish cooperative relationships with any future competitors. These relationships may allow future competitors to rapidly gain significant market share. These developments could also limit our ability to obtain revenues from existing and new customers.

Our ability to compete successfully in our market will also depend on a number of factors, including ease and speed of product deployment and use, the quality and reliability of our customer service and support, total cost of ownership, return on investment and brand recognition. Any failure by us to successfully address current or future competition in any one of these or other areas may reduce the demand for our products and adversely affect our business, results of operations and financial condition.

We have a history of losses, and we may not be profitable in the future.

We have incurred net losses in each year since our inception, including a net loss of $15.0 million for the three months ended March 31, 2018 and net losses of $13.8 million and $14.2 million in each of the years ended December 31, 2017 and 2016, respectively. Because the market for our software is rapidly evolving and has not yet reached widespread adoption, it is difficult for us to predict our future results of operations. We expect our operating expenses to increase over the next several years as we hire additional personnel, particularly in our sales and marketing and research and development groups, expand and improve the effectiveness of our distribution channels, and continue to develop features and applications for our software.

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Prolonged economic uncertainties or downturns could materially adversely affect our business.

Our business depends on our current and prospective customers’ ability and willingness to invest money in information technology services, including cybersecurity projects, which in turn is dependent upon their overall economic health. Negative conditions in the general economy both in the United States and abroad, including conditions resulting from financial and credit market fluctuations and terrorist attacks on the United States, Europe, Asia Pacific or elsewhere, could cause a decrease in corporate spending on enterprise software in general.

Uncertainty in the global economy, particularly in EMEA, which accounted for approximately one-third of our revenues in 2017 and for the three months ended March 31, 2018, and where we have experienced inconsistent quarterly growth rates over the last few years, makes it extremely difficult for our customers and us to forecast and plan future business activities accurately. This could cause our customers to reevaluate decisions to purchase our product or to delay their purchasing decisions, which could lengthen our sales cycles.

We have a significant number of customers in the financial services, healthcare, public sector and industrial industries. A substantial downturn in any of these industries, or a reduction in public sector spending, may cause enterprises to react to worsening conditions by reducing their capital expenditures in general or by specifically reducing their spending on information technology. Customers may delay or cancel information technology projects, choose to focus on in-house development efforts or seek to lower their costs by renegotiating maintenance and support agreements. To the extent purchases of licenses for our software are perceived by customers and potential customers to be discretionary, our revenues may be disproportionately affected by delays or reductions in general information technology spending. In addition, the increased pace of consolidation in certain industries may result in reduced overall spending on our software. If the economic conditions of the general economy or industries in which we operate worsen from present levels, our business, results of operations and financial condition could be adversely affected.

If we are unable to maintain successful relationships with our channel partners, our business could be adversely affected.

We rely on channel partners, such as distribution partners and resellers, to sell licenses and support and maintenance agreements for our software. In 2017 and for the three months ended March 31, 2018, our channel partners fulfilled substantially all of our sales, and we expect that sales to channel partners will continue to account for substantially all of our revenues for the foreseeable future. Our ability to achieve revenue growth in the future will depend in part on our success in maintaining successful relationships with our channel partners.

Our agreements with our channel partners are generally non-exclusive, meaning our channel partners may offer customers the products of several different companies. If our channel partners do not effectively market and sell our software, choose to use greater efforts to market and sell their own products or those of others, or fail to meet the needs of our customers, our ability to grow our business, sell our software and maintain our reputation may be adversely affected. Our contracts with our channel partners generally allow them to terminate their agreements for any reason upon 30 days’ notice. A termination of the agreement has no effect on orders already placed. The loss of a substantial number of our channel partners, our possible inability to replace them, or the failure to recruit additional channel partners could materially and adversely affect our results of operations. If we are unable to maintain our relationships with these channel partners, our business, results of operations, financial condition or cash flows could be adversely affected.

If our technical support or professional services are not satisfactory to our customers, they may not renew their maintenance and support agreements or buy future products, which could adversely affect our future results of operations.

Our business relies on our customers’ satisfaction with the technical support and professional services we provide to support our products. Our maintenance and support agreements are sold on a term basis. Our customers typically purchase one year of software maintenance and support as part of their initial purchase of our products, with an option to renew their maintenance agreements. In order for us to maintain and improve our results of operations, it is important that our existing customers renew their maintenance and support agreements and term licenses, if applicable, when the contract term expires. For example, our maintenance renewal rate for each of the years ended December 31, 2016 and 2017 and for the three months ended March 31, 2018 was over 90%.

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If we fail to provide technical support services that are responsive, satisfy our customers’ expectations and resolve issues that they encounter with our products and services, then they may elect not to purchase or renew annual maintenance and support contracts and they may choose not to purchase additional products and services from us. Accordingly, our failure to provide satisfactory technical support or professional services could lead our customers not to renew their agreements with us or renew on terms less favorable to us, and therefore have a material and adverse effect on our business and results of operations.

Because we derive substantially all of our revenues and cash flows from sales of licenses from a single platform of products, failure of the products in the platform to satisfy customers or to achieve increased market acceptance would adversely affect our business.

In 2017 and for the three months ended March 31, 2018, we generated substantially all of our revenues from sales of licenses from five of our current product families, DatAdvantage, DatAlert, Data Classification Engine, DataPrivilege and Data Transport Engine. We expect to continue to derive a majority of our revenues from license sales relating to this platform in the future. As such, market acceptance of this platform of products is critical to our continued success. Demand for licenses for our platform of products is affected by a number of factors, some of which are outside of our control, including continued market acceptance of our software by referenceable accounts for existing and new use cases, technological change and growth or contraction in our market. We expect the proliferation of enterprise data to lead to an increase in the data analysis demands, and data security and retention concerns, of our customers, and our software, including the software underlying our Data Security Platform, may not be able to scale and perform to meet those demands. If we are unable to continue to meet customer demands or to achieve more widespread market acceptance of our software, our business, operations, financial results and growth prospects will be materially and adversely affected.

Breaches in our security, cyberattacks or other cyber-risks could expose us to significant liability and cause our business and reputation to suffer.

Our operations involve transmission and processing of our customers' confidential, proprietary and sensitive information. We have legal and contractual obligations to protect the confidentiality and appropriate use of customer data. Despite our security measures, our information technology and infrastructure may be vulnerable to attacks as a result of third party action, employee error or misconduct. Security risks, including, but not limited to, unauthorized use or disclosure of customer data, theft of proprietary information, loss or corruption of customer data and computer hacking attacks or other cyberattacks, could expose us to substantial litigation expenses and damages, indemnity and other contractual obligations, government fines and penalties, mitigation expenses and other liabilities. We are continuously working to improve our information technology systems, together with creating security boundaries around our critical and sensitive assets. We provide advanced security awareness training to our employees and contractors that focuses on various aspects of the cyber security world. All of these steps are taken in order to mitigate the risk of attack and to ensure our readiness to responsibly handle any security violation or attack. However, because techniques used to obtain unauthorized access or to sabotage systems change frequently and generally are not recognized until successfully launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. If an actual or perceived breach of our security occurs, the market perception of the effectiveness of our security measures and our products could be harmed, we could lose potential sales and existing customers, our ability to operate our business could be impaired, and we may incur significant liabilities.

Failure to protect our proprietary technology and intellectual property rights could substantially harm our business.

The success of our business depends on our ability to obtain, protect and enforce our trade secrets, trademarks, copyrights, patents and other intellectual property rights. We attempt to protect our intellectual property under patent, trademark, copyrights and trade secret laws, and through a combination of confidentiality procedures, contractual provisions and other methods, all of which offer only limited protection.

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As of April 20, 2018, we had 53 issued patents in the United States and 44 pending U.S. patent applications. We also had 20 patents issued and 73 applications pending for examination in non-U.S. jurisdictions, and seven pending PCT, patent applications, all of which are counterparts of our U.S. patent applications. We may file additional patent applications in the future. The process of obtaining patent protection is expensive and time-consuming, and we may not be able to prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner all the way through to the successful issuance of a patent. We may choose not to seek patent protection for certain innovations and may choose not to pursue patent protection in certain jurisdictions. Furthermore, it is possible that our patent applications may not issue as granted patents, that the scope of our issued patents will be insufficient or not have the coverage originally sought, that our issued patents will not provide us with any competitive advantages, and that our patents and other intellectual property rights may be challenged by others or invalidated through administrative process or litigation. In addition, issuance of a patent does not guarantee that we have an absolute right to practice the patented invention. Our policy is to require our employees (and our consultants and service providers that develop intellectual property included in our products) to execute written agreements in which they assign to us their rights in potential inventions and other intellectual property created within the scope of their employment (or, with respect to consultants and service providers, their engagement to develop such intellectual property), but we cannot assure you that we have adequately protected our rights in every such agreement or that we have executed an agreement with every such party. Finally, in order to benefit from patent and other intellectual property protection, we must monitor, detect and pursue infringement claims in certain circumstances in relevant jurisdictions, all of which is costly and time-consuming. As a result, we may not be able to obtain adequate protection or to enforce our issued patents or other intellectual property effectively.

In addition to patented technology, we rely on our unpatented proprietary technology and trade secrets. Despite our efforts to protect our proprietary technologies and our intellectual property rights, unauthorized parties, including our employees, consultants, service providers or customers, may attempt to copy aspects of our products or obtain and use our trade secrets or other confidential information. We generally enter into confidentiality agreements with our employees, consultants, service providers, vendors, channel partners and customers, and generally limit access to and distribution of our proprietary information and proprietary technology through certain procedural safeguards. These agreements may not effectively prevent unauthorized use or disclosure of our intellectual property or technology and may not provide an adequate remedy in the event of unauthorized use or disclosure of our intellectual property or technology. We cannot assure you that the steps taken by us will prevent misappropriation of our trade secrets or technology or infringement of our intellectual property. In addition, the laws of some foreign countries where we operate do not protect our proprietary rights to as great an extent as the laws of the United States, and many foreign countries do not enforce these laws as diligently as government agencies and private parties in the United States.

Moreover, industries in which we operate, such as data security, cyber security, data retention and data governance are characterized by the existence of a large number of relevant patents and frequent claims and related litigation regarding patent and other intellectual property rights. From time to time, third parties have asserted and may assert their patent, copyright, trademark and other intellectual property rights against us, our channel partners or our customers. Successful claims of infringement or misappropriation by a third party could prevent us from distributing certain products or performing certain services or could require us to pay substantial damages (including, for example, treble damages if we are found to have willfully infringed patents and increased statutory damages if we are found to have willfully infringed copyrights), royalties or other fees. Such claims also could require us to cease making, licensing or using solutions that are alleged to infringe or misappropriate the intellectual property of others or to expend additional development resources to attempt to redesign our products or services or otherwise to develop non-infringing technology. Even if third parties may offer a license to their technology, the terms of any offered license may not be acceptable, and the failure to obtain a license or the costs associated with any license could cause our business, results of operations or financial condition to be materially and adversely affected. In some cases, we indemnify our channel partners and customers against claims that our products infringe the intellectual property of third parties. Defending against claims of infringement or being deemed to be infringing the intellectual property rights of others could impair our ability to innovate, develop, distribute and sell our current and planned products and services. If we are unable to protect our intellectual property rights and ensure that we are not violating the intellectual property rights of others, we may find ourselves at a competitive disadvantage to others who need not incur the additional expense, time and effort required to create the innovative products that have enabled us to be successful to date.

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Interruptions or performance problems, including associated with our website or support website or any caused by cyberattacks, may adversely affect our business.

Our continued growth depends in part on the ability of our existing and potential customers to quickly access our website and support website. Access to our support website is also imperative to our daily operations and interaction with customers, as it allows customers to download our software, fixes and patches, as well as open and respond to support tickets and register license keys for evaluation or production purposes. We have experienced, and may in the future experience, website disruptions, outages and other performance problems due to a variety of factors, including technical failures, cyberattacks, natural disasters, infrastructure changes, human or software errors, capacity constraints due to an overwhelming number of users accessing our website simultaneously and denial of service or fraud. In some instances, we may not be able to identify the cause or causes of these website performance problems within an acceptable period of time. It may become increasingly difficult to maintain and improve the performance of our websites, especially during peak usage times and as our software becomes more complex and our user traffic increases. If our websites are unavailable or if our users are unable to download our software, patches or fixes within a reasonable amount of time or at all, we may suffer reputational harm and our business would be negatively affected.

Real or perceived errors, failures or bugs in our software could adversely affect our growth prospects.

Because our software uses complex technology, undetected errors, failures or bugs may occur. Our software is often installed and used in a variety of computing environments with different operating system management software, and equipment and networking configurations, which may cause errors or failures of our software or other aspects of the computing environment into which it is deployed. In addition, deployment of our software into computing environments may expose undetected errors, compatibility issues, failures or bugs in our software. Despite testing by us, errors, failures or bugs may not be found in our software until it is released to our customers. Moreover, our customers could incorrectly implement or inadvertently misuse our software, which could result in customer dissatisfaction and adversely impact the perceived utility of our products as well as our brand. Any of these real or perceived errors, compatibility issues, failures or bugs in our software could result in negative publicity, reputational harm, loss of or delay in market acceptance of our software, loss of competitive position or claims by customers for losses sustained by them. In such an event, we may be required, or may choose, for customer relations or other reasons, to expend additional resources in order to help correct the problem.

If our software is perceived as not being secure, customers may reduce the use of or stop using our software, and we may incur significant liabilities.

Our software involves the transmission of data between data stores, and between data stores and desktop and mobile computers, and may in the future involve the storage of data. Any security breaches with respect to such data could result in the loss of this information, litigation, indemnity obligations and other liabilities. While we have taken steps to protect the confidential information that we have access to, including confidential information we may obtain through our customer support services or customer usage of our products, we have no direct control over the substance of the content. Therefore, if customers use our software for the transmission of personally identifiable information and our security measures are breached as a result of third-party action, employee error, malfeasance or otherwise, our reputation could be damaged, our business may suffer and we could incur significant liability. Because techniques used to obtain unauthorized access or sabotage systems change frequently and generally are not identified until they are launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. While we maintain insurance coverage for some of the above events, the potential liabilities associated with these events could exceed the insurance coverage we maintain. Any or all of these issues could tarnish our reputation, negatively impact our ability to attract new customers or sell additional products to our existing customers, cause existing customers to elect not to renew their maintenance and support agreements or subject us to third-party lawsuits, regulatory fines or other action or liability, thereby adversely affecting our results of operations.

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We are subject to federal, state and industry privacy and data security regulations, which could result in additional costs and liabilities to us or inhibit sales of our software.

Although our current software products do not transmit our customers’ data to us, we collect and utilize demographic and other information, including personally identifiable information, from and about users (such as customers, potential customers and others) as they interact with us over the internet and otherwise provide us with information whether via our website or blog or through email or other means. Users may provide personal information to us in many contexts, including through our direct telephonic support service, blog alert sign-up, product purchase, survey registration, or when accessing our online support portals or using other community or social networking features. Because we may collect and utilize this information, we are subject to laws and regulations regarding the collection, use and disclosure of personal information. In the United States, these include rules and regulations promulgated under the authority of the Federal Trade Commission, the Health Insurance Portability and Accountability Act of 1996, and state breach notification laws. Internationally, virtually every jurisdiction in which we operate has established its own data security and privacy legal framework with which we or our customers must comply, including the GDPR adopted in the EU and which will become enforceable on May 25, 2018.

Further, the regulatory framework for privacy issues worldwide is rapidly evolving and is likely to remain uncertain for the foreseeable future. Many federal, state and foreign government bodies and agencies have adopted or are considering adopting laws and regulations. In addition, privacy advocates and industry groups may propose new and different self-regulatory standards that either legally or contractually apply to us. Because the interpretation and application of privacy and data protection laws are still uncertain, it is possible that these laws may be interpreted and applied in a manner that is inconsistent with our existing data management practices or the features of our software. If so, in addition to the possibility of fines, lawsuits and other claims, we could be required to fundamentally change our business activities and practices or modify our software, which could have an adverse effect on our business. Any inability to adequately address privacy concerns, even if unfounded, or comply with applicable privacy or data protection laws, regulations and policies, could result in additional cost and liability to us, damage our reputation, inhibit sales and adversely affect our business.

Our long-term growth depends, in part, on being able to continue to expand internationally on a profitable basis, which subjects us to risks associated with conducting international operations.

Historically, we have generated a majority of our revenues from customers in North America. For the year ended December 31, 2017, and for the three months ended March 31, 2018, approximately 65% and 59%, respectively, of our total revenues were derived from sales in North America. Nevertheless, we have operations across the globe, and we plan to continue to expand our international operations as part of our long-term growth strategy. The further expansion of our international operations will subject us to a variety of risks and challenges, including:

• sales and customer service challenges associated with operating in different countries;

• increased management travel, infrastructure and legal compliance costs associated with having multiple international operations;

• difficulties in receiving payments from different geographies, including difficulties associated with currency fluctuations, payment cycles, transfer of funds or collecting accounts receivable, especially in emerging markets;

• variations in economic or political conditions between each country or region;

• economic uncertainty around the world and adverse effects arising from economic interdependencies across countries and regions;

• uncertainty around a potential reverse or renegotiation of international trade agreements and partnerships under the administration of U.S. President Donald J. Trump;

• uncertainty around how Brexit will impact the United Kingdom’s access to the European Union Single Market, the related regulatory environment, the global economy and the resulting impact on our business;

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• compliance with foreign laws and regulations and the risks and costs of non-compliance with such laws and regulations;

• compliance with laws and regulations for foreign operations, including the U.S. Foreign Corrupt Practices Act of 1977, or the FCPA, the U.K. Bribery Act of 2010, import and export control laws, tariffs, trade barriers, economic sanctions and other regulatory or contractual limitations on our ability to sell our software in certain foreign markets, and the risks and costs of non-compliance;

• heightened risks of unfair or corrupt business practices in certain geographies and of improper or fraudulent sales arrangements that may impact financial results and result in restatements of financial statements and irregularities in financial statements;

• reduced protection for intellectual property rights in certain countries and practical difficulties and costs of enforcing rights abroad; and

• compliance with the laws of numerous foreign taxing jurisdictions and overlapping of different tax regimes.

Any of these risks could adversely affect our international operations, reduce our revenues from outside the United States or increase our operating costs, adversely affecting our business, results of operations and financial condition and growth prospects. There can be no assurance that all of our employees, independent contractors and channel partners will comply with the formal policies we have and will implement, or applicable laws and regulations. Violations of laws or key control policies by our employees, independent contractors and channel partners could result in delays in revenue recognition, financial reporting misstatements, fines, penalties or the prohibition of the importation or exportation of our software and services and could have a material adverse effect on our business and results of operations.

If currency exchange rates fluctuate substantially in the future, our results of operations, which are reported in U.S. dollars, could be adversely affected.

Our functional and reporting currency is the U.S. dollar, and we generate a majority of our revenues and incur a majority of our expenses in U.S. dollars. Revenues and expenses are also incurred in other currencies, primarily Euros, Pounds Sterling, Canadian dollars, Australian dollars and NIS. Accordingly, changes in exchange rates may have a material adverse effect on our business, results of operations and financial condition. The exchange rates between the U.S. dollar and foreign currencies have fluctuated substantially in recent years and may continue to fluctuate substantially in the future. For example, due to the recent appreciation of the NIS against the U.S. Dollar, we expect our operating expenses, mainly those related to research and development, to be negatively impacted by this foreign currency movement compared to 2017. For each of the quarters in 2018, we expect this negative impact to be approximately 300 basis points to our operating margin. Furthermore, a strengthening of the U.S. dollar could increase the cost in local currency of our software and our maintenance renewals to customers outside the United States, which could adversely affect our business, results of operations, financial condition and cash flows. Volatility in exchange rates may continue in the short term as the United Kingdom negotiates its exit from the European Union which is scheduled to occur by the end of March 2019. Brexit and the withdrawal of the United Kingdom from the European Union, as well as other member countries public discussions about the possibility of withdrawing from the European Union, may also create global economic uncertainty, which may impact, among other things, the demand for our products.

We incur expenses for employee compensation and other operating expenses at our non-U.S. locations in local currencies. The weakening of the U.S. dollar against such currencies would cause the U.S. dollar equivalent of such expenses to increase which could have a negative impact on our reported results of operations. We use forward foreign exchange contracts to hedge or mitigate the effect of changes in foreign exchange rates on our operating expenses denominated in certain foreign currencies. However, this strategy might not eliminate our exposure to foreign exchange rate fluctuations and involves costs and risks of its own, such as cash expenditures, ongoing management time and expertise, external costs to implement the strategy and potential accounting implications. Additionally, our hedging activities may contribute to increased losses as a result of volatility in foreign currency markets.

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Our use of open source software could negatively affect our ability to sell our software and subject us to possible litigation.

We use open source software and expect to continue to use open source software in the future. Some open source software licenses require users who distribute open source software as part of their own software product to publicly disclose all or part of the source code to such software product or to make available any derivative works of the open source code on unfavorable terms or at no cost. We may face ownership claims of third parties over, or seeking to enforce the license terms applicable to, such open source software, including by demanding the release of the open source software, derivative works or our proprietary source code that was developed using such software. These claims could also result in litigation, require us to purchase a costly license or require us to devote additional research and development resources to change our software, any of which would have a negative effect on our business and results of operations. In addition, if the license terms for the open source code change, we may be forced to re-engineer our software or incur additional costs. Finally, we cannot assure you that we have incorporated open source software into our own software in a manner that conforms with our current policies and procedures.

Our business is highly dependent upon our brand recognition and reputation, and the failure to maintain or enhance our brand recognition or reputation may adversely affect our business.

We believe that enhancing the “Varonis” brand identity and maintaining our reputation in the information technology industry is critical to our relationships with our customers and to our ability to attract new customers. Our brand recognition and reputation is dependent upon:

• our ability to continue to offer high-quality, innovative and error- and bug-free products;

• our ability to maintain customer satisfaction with our products;

• our ability to be responsive to customer concerns and provide high quality customer support, training and professional services;

• our marketing efforts;

• any misuse or perceived misuse of our products;

• positive or negative publicity;

• interruptions, delays or attacks on our website; and

• litigation or regulatory-related developments.

We may not be able to successfully promote our brand or maintain our reputation. In addition, independent industry analysts often provide reviews of our products, as well as other products available in the market, and perception of our product in the marketplace may be significantly influenced by these reviews. If these reviews are negative, or less positive than reviews about other products available in the market, our brand may be adversely affected. Furthermore, negative publicity relating to events or activities attributed to us, our employees, our channel partners or others associated with any of these parties, may tarnish our reputation and reduce the value of our brand. Damage to our reputation and loss of brand equity may reduce demand for our products and have an adverse effect on our business, results of operations and financial condition. Any attempts to rebuild our reputation and restore the value of our brand may be costly and time consuming, and such efforts may not ultimately be successful.

Moreover, it may be difficult to enhance our brand and maintain our reputation in connection with sales to channel partners. Promoting our brand requires us to make significant expenditures, and we anticipate that the expenditures will increase as our market becomes more competitive, as we expand into new markets and geographies and as more sales are generated to our channel partners. To the extent that these activities yield increased revenues, these revenues may not offset the increased expenses we incur. If we do not successfully enhance our brand and maintain our reputation, our business may not grow, we may have reduced pricing power relative to competitors with stronger brands, and we could lose customers, all of which would adversely affect our business, operations and financial results.

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False detection of security breaches, false identification of malicious sources or misidentification of sensitive or regulated information could adversely affect our business.

Our cyber-security products may falsely detect threats that do not actually exist. For example, our DatAlert product may enrich metadata collected by our products with information from external sources and third-party data providers. If the information from these data providers is inaccurate, the potential for false positives increases. These false positives, while typical in the industry, may affect the perceived reliability of our products and solutions and may therefore adversely impact market acceptance of our products. As definitions and instantiations of personal identifiers and other sensitive content change, automated classification technologies may falsely identify or fail to identify data as sensitive. If our products and solutions fail to detect exposures or restrict access to important systems, files or applications based on falsely identifying legitimate use as an attack or otherwise unauthorized, then our customers’ businesses could be adversely affected. Any such false identification of use and subsequent restriction could result in negative publicity, loss of customers and sales, increased costs to remedy any problem and costly litigation.

Our success depends in part on maintaining and increasing our sales to customers in the public sector.

We derive a portion of our revenues from contracts with federal, state, local and foreign governments and government-owned or -controlled entities (such as public health care bodies, educational institutions and utilities), which we refer to as the public sector herein. We believe that the success and growth of our business will continue to depend on our successful procurement of public sector contracts. Selling to public sector entities can be highly competitive, expensive and time consuming, often requiring significant upfront time and expense without any assurance that our efforts will produce any sales. Factors that could impede our ability to maintain or increase the amount of revenues derived from public sector contracts include:

• changes in public sector fiscal or contracting policies;

• decreases in available public sector funding;

• changes in public sector programs or applicable requirements;

• the adoption of new laws or regulations or changes to existing laws or regulations;

• potential delays or changes in the public sector appropriations or other funding authorization processes;

• the requirement of contractual terms that are unfavorable to us, such as most-favored-nation pricing provisions; and

• delays in the payment of our invoices by public sector payment offices.

Furthermore, we must comply with laws and regulations relating to public sector contracting, which affect how we and our channel partners do business in both the United States and abroad. These laws and regulations may impose added costs on our business, and failure to comply with these or other applicable regulations and requirements, including non-compliance in the past, could lead to claims for damages from our channel partners, penalties, termination of contracts, and temporary suspension or permanent debarment from public sector contracting.

The occurrence of any of the foregoing could cause public sector customers to delay or refrain from purchasing licenses of our software in the future or otherwise have an adverse effect on our business, operations and financial results.

We are subject to governmental export and import controls that could subject us to liability or impair our ability to compete in international markets.

We incorporate encryption technology into certain of our products and these products are subject to U.S. export control. We are also subject to Israeli export controls on encryption technology since our product development initiatives are primarily conducted by our wholly-owned Israeli subsidiary. We have obtained the required licenses to export our products outside of the United States. In addition, the current encryption means used in our products are listed in the “free means encryption items” published by the Israeli Ministry of Defense, which means we are exempt from obtaining an encryption control license. If the applicable U.S. or Israeli legal requirements regarding the export of encryption technology were to change or if we change the encryption means in our products, we may need to apply for new licenses in the United States and may no longer be able to rely on our licensing exception in Israel. There can be no assurance that we will be able to obtain the required licenses under these circumstances. Furthermore, various other countries regulate the import of certain encryption technology, including import permitting and licensing requirements, and have enacted laws that could limit our ability to distribute our products or could limit our customers’ ability to implement our products in those countries.

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We are also subject to U.S. and Israeli export control and economic sanctions laws, which prohibit the shipment of certain products to embargoed or sanctioned countries, governments and persons. Our products could be exported to these sanctioned targets by our channel partners despite the contractual undertakings they have given us and any such export could have negative consequences, including government investigations, penalties and reputational harm. Moreover, the Trump Administration may create further uncertainty regarding export or import regulations, economic sanctions or related legislation. It remains unclear what specifically President Trump would or would not do with respect to the initiatives he has raised and what support he would have to implement any such potential changes. Any change in export or import regulations, economic sanctions or related legislation, shift in the enforcement or scope of existing regulations, or change in the countries, governments, persons or technologies targeted by such regulations, could result in decreased use of our products by, or in our decreased ability to export or sell our products to, existing or potential customers with international operations. Any decreased use of our products or limitation on our ability to export or sell our products would likely adversely affect our business, financial condition and results of operations.

Our business in countries with a history of corruption and transactions with foreign governments increase the risks associated with our international activities.

As we operate and sell internationally, we are subject to the FCPA and other laws that prohibit improper payments or offers of payments to foreign governments and their officials and political parties for the purpose of obtaining or retaining business. We have operations, deal with and make sales to governmental customers in countries known to experience corruption, particularly certain emerging countries in Eastern Europe, South and Central America, East Asia, Africa and the Middle East. Our activities in these countries create the risk of unauthorized payments or offers of payments by one of our employees, consultants, channel partners or sales agents that could be in violation of various anti-corruption laws, even though these parties may not be under our control. While we have implemented safeguards to prevent these practices by our employees, consultants, channel partners and sales agents, our existing safeguards and any future improvements may prove to be less than effective, and our employees, consultants, channel partners or sales agents may engage in conduct for which we might be held responsible. Violations of the FCPA or other anti-corruption laws may result in severe criminal or civil sanctions, including suspension or debarment from government contracting, and we may be subject to other liabilities, which could negatively affect our business, operating results and financial condition.

Our ability to use our net operating loss carryforwards and other tax attributes may be limited if we undergo an “ownership change.”

Our ability to utilize our net operating loss carryforwards (“NOLs”) and other tax attributes could be limited if we undergo an “ownership change” within the meaning of Section 382 of the Code. An ownership change is generally defined as a greater than 50 percentage point increase in equity ownership by 5% stockholders in any three-year period. If an ownership change occurred as a result of the sale of future equity issuances, we may not be able to fully realize the benefits of these NOLs. Also, the cash tax benefit from our NOLs is dependent upon our ability to generate sufficient taxable income. Accordingly, we may be unable to earn enough taxable income in order to fully utilize our current NOLs.

Changes in our provision for income taxes or adverse outcomes resulting from examination of our income tax returns could adversely affect our results.

We are subject to income taxation in the United States, Israel and numerous other jurisdictions. Determining our provision for income taxes requires significant management judgment. In addition, our provision for income taxes could be adversely affected by many factors, including, among other things, changes to our operating structure, changes in the amounts of earnings in jurisdictions with different statutory tax rates, changes in the valuation of deferred tax assets and liabilities and changes in tax laws. We are subject to ongoing tax examinations in various jurisdictions. Tax authorities may disagree with our intercompany charges, cross-jurisdictional transfer pricing or other matters and assess additional taxes. While we regularly evaluate the likely outcomes of these examinations to determine the adequacy of our provision for income taxes, there can be no assurance that the outcomes of such examinations will not have a material impact on our results of operations and cash flows. In addition, we may be audited in various jurisdictions, and such jurisdictions may assess additional taxes against us. For example, we are currently subject to a tax audit in Israel. Although we believe our tax estimates are reasonable, the final determination of any tax audits or litigation could be materially different from our historical tax provisions and accruals, which could have a material adverse effect on our results of operations or cash flows in the period or periods for which a determination is made.

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Significant judgment is required to determine the recognition and measurement attributes prescribed in Accounting Standards Codification (“ASC 740-10-25”). In addition, ASC 740-10-25 applies to all income tax positions, including the potential recovery of previously paid taxes, which if settled unfavorably could adversely impact our provision for income taxes. Further, as a result of certain of our ongoing employment and capital investment actions and commitments, our income in certain countries is subject to reduced tax rates. Our failure to meet these commitments could adversely impact our provision for income taxes. In addition, we are subject to the continuous examination of our income tax returns by the IRS and other tax authorities. We regularly assess the likelihood of adverse outcomes resulting from these examinations to determine the adequacy of our provision for income taxes. There can be no assurance that the outcomes from these continuous examinations will not have an adverse effect on our results of operations.

The adoption of the recent tax reform and the enactment of additional legislation changing the United States taxation of international business activities could materially impact our financial position and results of operations.

On December 22, 2017, President Trump signed into law the TCJA that significantly reforms the Code. The TCJA, among other things, includes changes to U.S. federal tax rates, imposes significant additional limitations on the deductibility of certain expenses and restricts the use of net operating loss carryforwards arising after December 31, 2017, allows for the expensing of capital expenditures, and puts into effect the migration from a “worldwide” system of taxation to a territorial system. We do not expect tax reform to have a material impact to our net operating losses. We continue to examine the impact this tax reform legislation may have on our business. Due to the expansion of our international business activities, any changes in the U.S. taxation of such activities may increase our worldwide effective tax rate and adversely affect our financial position and results of operations. Further, foreign governments may enact tax laws in response to the TCJA that could result in further changes to global taxation and materially affect our financial position and results of operations. The impact of the TCJA on holders of our securities is uncertain. We urge our stockholders to consult with their legal and tax advisors with respect to such legislation and the potential tax consequences.

We conduct our operations in a number of jurisdictions worldwide and report our taxable income based on our business operations in those jurisdictions. Our intercompany relationships are subject to transfer pricing regulations administered by taxing authorities in various jurisdictions. The relevant taxing authorities may disagree with our determinations as to the income and expenses attributable to specific jurisdictions. If such a disagreement were to occur, and our position were not sustained, we could be required to pay additional taxes, interest and penalties, which could result in one-time tax charges, higher effective tax rates, reduced cash flows and lower overall profitability of our operations.

Changes in financial accounting standards may cause adverse and unexpected revenue fluctuations and impact our reported results of operations.

A change in accounting standards or practices could harm our operating results and may even affect our reporting of transactions completed before the change is effective. New accounting pronouncements, such as Accounting Standards Update 2014-09 related to revenue recognition, and varying interpretations of accounting pronouncements have occurred and may occur in the future. Changes to existing rules or the questioning of current practices may harm our operating results or the way we conduct our business. Additionally, the adoption of new or revised accounting principles may require that we make significant changes to our systems process and controls.

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Acquisitions could disrupt our business and adversely affect our results of operations, financial condition and cash flows.

We may make acquisitions that could be material to our business, results of operations, financial condition and cash flows. Our ability as an organization to successfully acquire and integrate technologies or businesses is unproven. Acquisitions involve many risks, including the following:

• an acquisition may negatively affect our results of operations, financial condition or cash flows because it may require us to incur charges or assume substantial debt or other liabilities, may cause adverse tax consequences or unfavorable accounting treatment, including potential write-downs of deferred revenues, may expose us to claims and disputes by third parties, including intellectual property claims and disputes, or may not generate sufficient financial return to offset additional costs and expenses related to the acquisition;

• we may encounter difficulties or unforeseen expenditures in integrating the business, technologies, products, personnel or operations of any company that we acquire, particularly if key personnel of the acquired company decide not to work for us;

• an acquisition may disrupt our ongoing business, divert resources, increase our expenses and distract our management;

• an acquisition may result in a delay or reduction of customer purchases for both us and the company we acquired due to customer uncertainty about continuity and effectiveness of service from either company;

• we may encounter difficulties in, or may be unable to, successfully sell any acquired products;

• an acquisition may involve the entry into geographic or business markets in which we have little or no prior experience or where competitors have stronger market positions;

• challenges inherent in effectively managing an increased number of employees in diverse locations;

• the potential strain on our financial and managerial controls and reporting systems and procedures;

• potential known and unknown liabilities or deficiencies associated with an acquired company that were not identified in advance;

• our use of cash to pay for acquisitions would limit other potential uses for our cash and affect our liquidity;

• if we incur debt to fund such acquisitions, such debt may subject us to material restrictions on our ability to conduct our business as well as financial maintenance covenants;

• the risk of impairment charges related to potential write-downs of acquired assets or goodwill in future acquisitions;

• to the extent that we issue a significant amount of equity or convertible debt securities in connection with future acquisitions, existing stockholders may be diluted and earnings per share may decrease; and

• managing the varying intellectual property protection strategies and other activities of an acquired company.

We may not succeed in addressing these or other risks or any other problems encountered in connection with the integration of any acquired business. The inability to integrate successfully the business, technologies, products, personnel or operations of any acquired business, or any significant delay in achieving integration, could have a material adverse effect on our business, results of operations, financial condition and cash flows.

We may require additional capital to support our business growth, and this capital might not be available on acceptable terms, or at all.

We continue to make investments to support our business growth and may require additional funds to respond to business challenges, including the need to develop new features or enhance our software, improve our operating infrastructure or acquire complementary businesses and technologies. Accordingly, we may need to engage in equity or debt financing to secure additional funds. If we raise additional funds through future issuances of equity or convertible debt securities, our existing stockholders could suffer significant dilution, and any new equity securities we issue could have rights, preferences and privileges superior to those of holders of our common stock. Any debt financing that we may secure in the future could involve restrictive covenants relating to our capital raising activities and other financial and operational matters, which may make it more difficult for us to obtain additional capital and to pursue business opportunities, including potential acquisitions. We may not be able to obtain additional financing on terms favorable to us, if at all. If we are unable to obtain adequate financing on terms satisfactory to us when we require it, our ability to continue to support our business growth and to respond to business challenges could be significantly impaired, and our business may be adversely affected.

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Our business is subject to the risks of fire, power outages, floods, earthquakes and other catastrophic events, and to interruption by manmade problems such as terrorism.

A significant natural disaster, such as a fire, flood or an earthquake, or a significant power outage could have a material adverse impact on our business, results of operations and financial condition. In the event our customers’ information technology systems or our channel partners’ selling or distribution abilities are hindered by any of these events, we may miss financial targets, such as revenues and sales targets, for a particular quarter. Further, if a natural disaster occurs in a region from which we derive a significant portion of our revenue, customers in that region may delay or forego purchases of our products, which may materially and adversely impact our results of operations for a particular period. In addition, acts of terrorism could cause disruptions in our business or the business of channel partners, customers or the economy as a whole. Given our typical concentration of sales at each quarter end, any disruption in the business of our channel partners or customers that impacts sales at the end of our quarter could have a significant adverse impact on our quarterly results. All of the aforementioned risks may be augmented if the disaster recovery plans for us and our channel partners prove to be inadequate. To the extent that any of the above results in delays or cancellations of customer orders, or the delay in the manufacture, deployment or shipment of our products, our business, financial condition and results of operations would be adversely affected.

Risks Related to our Operations in Israel

Conditions in Israel may limit our ability to develop and sell our products, which could result in a decrease of our revenues.

Our principal research and development facility, which also houses a portion of our support and general and administrative teams, is located in Israel. Since the establishment of the State of Israel in 1948, a number of armed conflicts have taken place between Israel and its neighboring countries, as well as incidents of terror activities and other hostilities, and a number of state and non-state actors have publicly committed to its destruction. Political, economic and security conditions in Israel could directly affect our operations. We could be adversely affected by hostilities involving Israel, including acts of terrorism or any other hostilities involving or threatening Israel, the interruption or curtailment of trade between Israel and its trading partners, a significant increase in inflation or a significant downturn in the economic or financial condition of Israel. Any on-going or future armed conflicts, terrorist activities, tension along the Israeli borders or with other countries in the region, including Iran, or political instability in the region could disrupt international trading activities in Israel and may materially and negatively affect our business and could harm our results of operations.

Certain countries, as well as certain companies and organizations, continue to participate in a boycott of Israeli companies, companies with large Israeli operations and others doing business with Israel and Israeli companies. The boycott, restrictive laws, policies or practices directed towards Israel, Israeli businesses or Israeli citizens could, individually or in the aggregate, have a material adverse effect on our business in the future.

Some of our officers and employees in Israel are obligated to perform routine military reserve duty in the Israel Defense Forces, depending on their age and position in the armed forces. Furthermore, they have been and may in the future be called to active reserve duty at any time under emergency circumstances for extended periods of time. Our operations could be disrupted by the absence, for a significant period, of one or more of our officers or key employees due to military service, and any significant disruption in our operations could harm our business.

The tax benefits that are available to our Israeli subsidiary require it to continue to meet various conditions and may be terminated or reduced in the future, which could increase its taxes.

Our Israeli subsidiary benefits from a status of a “Beneficiary Enterprise” under the Israeli Law for the Encouragement of Capital Investments, 5719-1959, or the Investment Law. Based on an evaluation of the relevant factors under the Investment Law, including the level of foreign (i.e., non-Israeli) investment in our company, we have determined that the effective tax rate to be paid by our Israeli subsidiary as a “Beneficiary Enterprise” has historically been approximately 10%. If our Israeli subsidiary does not meet the requirements for maintaining this status, for example, if the Israeli subsidiary materially changes the nature of its business or, if the level of foreign investment in our company decreases, it may no longer be eligible to enjoy this reduced tax rate. As a result, our Israeli subsidiary would be subject to Israeli corporate tax at the standard rate, which, as of January 1, 2018, was set at 23%. Even if our Israeli subsidiary continues to meet the relevant requirements, the tax benefits that the status of “Beneficiary Enterprise” provides may not be continued in the future at their current levels or at all. If these tax benefits were reduced or eliminated, the amount of taxes that our Israeli subsidiary would pay would likely increase, as all of our Israeli operations would consequently be subject to corporate tax at the standard rate, which could adversely affect our results of operations. Additionally, if our Israeli subsidiary increases its activities outside of Israel, for example, through acquisitions, these activities may not be eligible for inclusion in Israeli tax benefit programs. The tax benefits derived from the status of “Beneficiary Enterprise” is dependent upon the ability to generate sufficient taxable income. Accordingly, our Israeli subsidiary may be unable to earn enough taxable income in order to fully utilize its tax benefits.

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Risks Related to the Ownership of our Common Stock

Our stock price has been and will likely continue to be volatile.

The market price for our common stock has been, and is likely to continue to be, volatile for the foreseeable future. For example, since shares of our common stock were sold in our initial public offering (“IPO”) in March 2014 at a price of $22.00 per share, our common stock’s price on The Nasdaq Global Select Market has ranged from $13.25 to $68.25 through April 27, 2019. On April 27, 2019, the closing price of our common stock was $64.30. The market price of our common stock may fluctuate significantly in response to a number of factors, many of which we cannot predict or control, including the factors listed below and other factors described in this “Risk Factors” section:

• actual or anticipated fluctuations in our results or those of our competitors;

• the financial projections we may provide to the public, any changes in these projections or our failure to meet these projections;

• failure of securities analysts to initiate or maintain coverage of our company, changes in financial estimates by any securities analysts who follow our company, or our failure to meet these estimates or the expectations of investors;

• ratings changes by any securities analysts who follow our company;

• announcements of new products, services or technologies, commercial relationships, acquisitions or other events by us or our competitors;

• changes in operating performance and stock market valuations of other technology companies generally, or those in our industry in particular;

• price and volume fluctuations in in certain categories of companies or the overall stock market, including as a result of trends in the global economy;

• changes in accounting principles;

• sales of large blocks of our common stock, including sales by our executive officers, directors and significant stockholders;

• additions or departures of any of our key personnel;

• lawsuits threatened or filed against us;

• short sales, hedging and other derivative transactions involving our capital stock;

• general economic conditions in the United States and abroad;

• changing legal or regulatory developments in the United States and other countries; and

• other events or factors, including those resulting from war, incidents of terrorism or responses to these events.

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In addition, the stock markets have experienced extreme price and volume fluctuations that have affected and continue to affect the market prices of equity securities of many technology companies. Stock prices of many technology companies have fluctuated in a manner unrelated or disproportionate to the operating performance of those companies. In the past, stockholders have instituted securities class action litigation following periods of market volatility. If we were to become involved in securities litigation, it could subject us to substantial costs, divert resources and the attention of management from our business and adversely affect our business, results of operations, financial condition and cash flows.

If securities or industry analysts do not publish research or reports about our business, or publish negative reports about our business, our stock price and trading volume could decline.

The trading market for our common stock depends in part on the research and reports that securities or industry analysts publish about us or our business, our market and our competitors. We do not have any control over these analysts or their expectations regarding our performance on a quarterly or annual basis. If one or more of the analysts who cover us downgrade our stock or change their opinion of our stock, our stock price would likely decline. If we fail to meet one or more of these analysts' published expectations regarding our performance on a quarterly basis, our stock price or trading volume could decline. If one or more of these analysts cease coverage of our company or fail to regularly publish reports on us, we could lose visibility in the financial markets, which could cause our stock price or trading volume to decline.

Substantial future sales of shares of our common stock could cause the market price of our common stock to decline.

Sales of a substantial number of shares of our common stock into the public market, or the perception that these sales might occur, could depress the market price of our common stock and could impair our ability to raise capital through the sale of additional equity securities. We are unable to predict the effect that such sales may have on the prevailing market price of our common stock.

As of March 31, 2018, we had options and restricted stock units (“RSUs”) outstanding that, if fully vested and exercised, would result in the issuance of approximately 3.9 million shares of our common stock. All of the shares of our common stock issuable upon exercise of options and vesting of RSUs have been registered for public resale under the Securities Act. Accordingly, these shares will be able to be freely sold in the public market upon issuance as permitted by any applicable vesting requirements.

The requirements of being a public company may strain our resources, divert management’s attention and affect our ability to attract and retain executive management and qualified board members.

As a public company, we are subject to the reporting requirements of the Exchange Act, the Sarbanes-Oxley Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, the listing requirements of The Nasdaq Global Select Market and other applicable securities rules and regulations. Compliance with these rules and regulations have increased our legal and financial compliance costs, make some activities more difficult, time-consuming or costly and increase demand on our systems and resources.

The Exchange Act requires, among other things, that we file annual, quarterly and current reports with respect to our business and results of operations. The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. In order to maintain and, if required, improve our disclosure controls and procedures and internal control over financial reporting to meet this standard, significant resources and management oversight is required. As a result, management’s attention may be diverted from other business concerns, which could adversely affect our business and results of operations. We may need to hire more employees in the future or engage outside consultants, which will increase our costs and expenses. In addition, changing laws, regulations and standards relating to corporate governance and public disclosure are creating uncertainty for public companies, increasing legal and financial compliance costs and making some activities more time consuming. These laws, regulations and standards are subject to varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new guidance is provided by regulatory and governing bodies. This could result in continuing uncertainty regarding compliance matters and higher costs necessitated by ongoing revisions to disclosure and governance practices.

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Being a public company, these rules and regulations have made it more expensive for us to obtain director and officer liability insurance, and in the future we may be required to accept reduced coverage or incur substantially higher costs to obtain coverage. These factors could also make it more difficult for us to attract and retain qualified members of our board of directors, particularly to serve on our audit and compensation committees, and qualified executive officers.

As a result of disclosure of information in our filings with the SEC, our business and financial condition have become more visible, which we believe may result in threatened or actual litigation, including by competitors and other third parties. If such claims are successful, our business and results of operations could be adversely affected, and even if the claims do not result in litigation or are resolved in our favor, these claims, and the time and resources necessary to resolve them, could divert the resources of our management and adversely affect our business and results of operations.

We are obligated to develop and maintain proper and effective internal control over financial reporting. These internal controls may not be determined to be effective, which may adversely affect investor confidence in our company and, as a result, the value of our common stock.

We are required, pursuant to Section 404 of the Sarbanes–Oxley Act, to furnish a report by management on, among other things, the effectiveness of our internal control over financial reporting on an annual basis. This assessment includes disclosure of any material weaknesses identified by our management in our internal control over financial reporting. We are also required to have our independent registered public accounting firm issue an opinion on the effectiveness of our internal control over financial reporting on an annual basis. During the evaluation and testing process, if we identify one or more material weaknesses in our internal control over financial reporting, we will be unable to assert that our internal control over financial reporting is effective.

If we are unable to assert that our internal control over financial reporting is effective, or if our independent registered public accounting firm is unable to express an opinion on the effectiveness of our internal control over financial reporting, we could lose investor confidence in the accuracy and completeness of our financial reports, which could cause the price of our common stock to decline, and we may be subject to investigation or sanctions by the SEC.

Future sales and issuances of our capital stock or rights to purchase capital stock could result in additional dilution of the percentage ownership of our stockholders and could cause our stock price to decline.

Future sales and issuances of our capital stock or rights to purchase our capital stock could result in substantial dilution to our existing stockholders. We may sell common stock, convertible securities and other equity securities in one or more transactions at prices and in a manner as we may determine from time to time. If we sell any such securities in subsequent transactions, investors may be materially diluted. New investors in such subsequent transactions could gain rights, preferences and privileges senior to those of holders of our common stock.

We do not intend to pay dividends on our common stock, so any returns will be limited to the value of our stock.

We have never declared or paid cash dividends on our common stock. We currently anticipate that we will retain any future earnings and do not expect to pay any dividends in the foreseeable future. Any determination to pay dividends in the future will be at the discretion of our board of directors and will be dependent on a number of factors, including our financial condition, results of operations, capital requirements, general business conditions and other factors that our board of directors may deem relevant. In addition, the loan agreement for our credit facility contains a prohibition on the payment of cash dividends. Until such time that we pay a dividend, investors must rely on sales of their common stock after price appreciation, which may never occur, as the only way to realize any future gains on their investments.

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Anti-takeover provisions in our charter documents and under Delaware law could make an acquisition of us, which may be beneficial to our stockholders, more difficult and may prevent attempts by our stockholders to replace or remove our current management.

Provisions in our amended and restated certificate of incorporation and amended and restated bylaws may delay or prevent an acquisition of us or a change in our management. These provisions include:

• authorizing “blank check” preferred stock, which could be issued by the board without stockholder approval and may contain voting, liquidation, dividend and other rights superior to our common stock, which would increase the number of outstanding shares and could thwart a takeover attempt;

• a classified board of directors whose members can only be dismissed for cause;

• the prohibition on actions by written consent of our stockholders;

• the limitation on who may call a special meeting of stockholders;

• the establishment of advance notice requirements for nominations for election to our board of directors or for proposing matters that can be acted upon at stockholder meetings; and

• the requirement of at least 75% of the outstanding capital stock to amend any of the foregoing second through fifth provisions.

In addition, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, which limits the ability of stockholders owning in excess of 15% of our outstanding voting stock to merge or combine with us. Although we believe these provisions collectively provide for an opportunity to obtain greater value for stockholders by requiring potential acquirers to negotiate with our board of directors, they would apply even if an offer rejected by our board were considered beneficial by some stockholders. In addition, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace members of our board of directors, which is responsible for appointing the members of our management.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Sales of Unregistered Securities

None.

Use of Proceeds from Public Offerings of Common Stock

On March 5, 2014, we closed our IPO of 5,520,000 million shares of common stock, including 5,300,436 shares of common stock sold by us (inclusive of 500,436 shares of common stock from the full exercise of the overallotment option of shares granted to the underwriters) and 219,564 shares of common stock sold by the selling stockholder at a price to the public of $22.00 per share. The offer and sale of all of the shares in the IPO were registered under the Securities Act pursuant to a registration statement on Form S-1 (Registration No. 333-191840), which was declared effective by the SEC on February 27, 2014. The offering commenced on February 28, 2014, closed on March 5, 2014 and did not terminate before all of the shares in the IPO that were registered in the registration statement were sold. Morgan Stanley & Co. LLC, Barclays Capital Inc., Jefferies LLC, RBC Capital Markets, LLC and Needham & Company, LLC acted as the underwriters. The aggregate offering price for shares sold in the offering was approximately $121.4 million. We did not receive any proceeds from the sale of shares by the selling stockholder. We raised approximately $106.1 million in net proceeds from the offering, after deducting underwriter discounts and commissions of approximately $8.2 million and other offering expenses of approximately $2.4 million.

No payments were made by us to directors, officers or persons owning ten percent or more of our common stock or to their associates, or to our affiliates, other than payments in the ordinary course of business to our officers for salaries and bonuses and to our non-employee directors as compensation for serving on our board of directors and the various committees thereof. There has been no material change in the planned use of proceeds from our IPO as described in our final prospectus filed with the SEC pursuant to Rule 424(b) under the Securities Act on March 3, 2014. Pending the uses described, we have invested the net proceeds in short-term securities such as certificates of deposit, money market funds and U.S. treasury securities.

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Item 6. Exhibits

Exhibit Number	Description of the Document
3.1(1)	Amended and Restated Certificate of Incorporation
3.2(2)	Amended and Restated Bylaws
10.1	Employment Agreement by and between Varonis Systems Ltd. and David Bass, dated as of February 8, 2018
31.1	Rule 13a-14(a) Certification of Chief Executive Officer of the Company in accordance with Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Rule 13a-14(a) Certification of Chief Financial Officer of the Company in accordance with Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Section 1350 Certification of Chief Executive Officer of the Company in accordance with Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Section 1350 Certification of Chief Financial Officer of the Company in accordance with Section 906 of the Sarbanes-Oxley Act of 2002
101	The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Unaudited Consolidated Statements of Operations, (iii) the Unaudited Consolidated Statements of Comprehensive Loss, (iv) the Unaudited Consolidated Statements of Cash Flows and (v) related notes to these consolidated financial statements, tagged as blocks of text and in detail

____________

(*) Document has been furnished, is not deemed filed and is not to be incorporated by reference into any of the Company’s filings under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, irrespective of any general incorporation language contained in any such filing.

(1) Filed as Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 8, 2014 (File No. 001-35324) (the “Company’s First Quarter 2014 Form 10-Q”) and incorporated herein by reference.

(2) Filed as Exhibit 3.2 to the Company’s First Quarter 2014 Form 10-Q and incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	VARONIS SYSTEMS, INC.
May 1, 2018	By:	/s/ Yakov Faitelson
		Yakov Faitelson
		Chief Executive Officer and President (Principal Executive Officer)
May 1, 2018	By:	/s/ Guy Melamed
		Guy Melamed
		Chief Financial Officer and Chief Operating Officer (Principal Financial and Accounting Officer)

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 EXHIBIT INDEX

Exhibit Number	Description of the Document
3.1(1)	Amended and Restated Certificate of Incorporation
3.2(2)	Amended and Restated Bylaws
10.1	Employment Agreement by and between Varonis Systems Ltd. and David Bass, dated as of February 8, 2018
31.1	Rule 13a-14(a) Certification of Chief Executive Officer of the Company in accordance with Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Rule 13a-14(a) Certification of Chief Financial Officer of the Company in accordance with Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Section 1350 Certification of Chief Executive Officer of the Company in accordance with Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Section 1350 Certification of Chief Financial Officer of the Company in accordance with Section 906 of the Sarbanes-Oxley Act of 2002
101	The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Unaudited Consolidated Statements of Operations, (iii) the Unaudited Consolidated Statements of Comprehensive Loss, (iv) the Unaudited Consolidated Statements of Cash Flows and (v) related notes to these consolidated financial statements, tagged as blocks of text and in detail

____________

(*) Document has been furnished, is not deemed filed and is not to be incorporated by reference into any of the Company’s filings under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, irrespective of any general incorporation language contained in any such filing.

(1) Filed as Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 8, 2014 (File No. 001-35324) (the “Company’s First Quarter 2014 Form 10-Q”) and incorporated herein by reference.

(2) Filed as Exhibit 3.2 to the Company’s First Quarter 2014 Form 10-Q and incorporated herein by reference.

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EX-10.1

EXHIBIT 10.1

EMPLOYMENT AGREEMENT

THIS EMPLOYMENT AGREEMENT (this “Agreement”) is entered into as of February 8, 2018, by and between Varonis Systems Ltd., an Israeli corporation (the “Company”), and David Bass (“Executive”), to be effective on the Effective Date (as defined below). Where the context permits, references to “the Company” shall include the Company and any successor of the Company.

W I T N E S S E T H:

WHEREAS, the Company and Executive previously entered into an Employment Agreement, dated January 29, 2005, as amended from time to time (the “Original Agreement”), pursuant to which Executive currently serves as Senior Vice President of Engineering of the Company;

WHEREAS, the Company desires to engage Executive and Executive represents that he has the requisite skills, qualifications and knowledge to serve in the position of Executive Vice President of Engineering and Chief Technology Officer; and

WHEREAS, upon March 1, 2018 (the “Effective Date”), the Company and Executive mutually desire to terminate the Original Agreement and enter into this Agreement, which sets forth the terms and conditions of Executive’s employment as of the Effective Date.

NOW, THEREFORE, in consideration of the mutual promises, covenants and agreements herein contained, together with other good and valuable consideration the receipt of which is hereby acknowledged, the parties hereto do hereby agree as follows:

1.     SERVICES AND DUTIES. As of the Effective Date, Executive shall serve as Executive Vice President of Engineering and Chief Technology Officer and in such position shall have the duties, responsibilities and authority commensurate with the status of an individual holding such position in a company similarly situated to the Company and shall render services consistent with such position. In all cases, Executive shall be subject to the supervision and authority of, and shall report to, the Chief Executive Officer and Board of Directors of Varonis Systems, Inc. (the “Board of Directors”). While employed by the Company, Executive agrees to devote substantially all of his working time and efforts to the business and affairs of the Company and its subsidiaries, subject to periods of vacation and sick leave to which he is entitled pursuant to this Agreement and applicable law and in accordance with the Company’s policies in effect at such time. Notwithstanding the foregoing, nothing herein shall preclude Executive, so long as Executive delivers advance written notice to the Company, from participating in or serving on the board of directors or similar governing body of a corporation or other business entity (other than a business entity in a competitive business as described in Section 6(c) below) or of charitable, religious, social or educational organizations in so far as such participation or service does not unreasonably interfere, individually or in the aggregate, with Executive’s performance of his obligations to the Company. Executive agrees to discharge his duties diligently, faithfully and in the best interests of the Company. Notwithstanding the foregoing or anything else contained in this Agreement, the Company retains the right to terminate Executive’s employment at any time by providing Executive with a prior written notice in accordance with the provisions of Section 5 below (whether or not for Cause (as defined below)).

2.     EMPLOYMENT TERM. Unless Executive’s employment shall sooner terminate pursuant to Section 5 of this Agreement, the Company shall employ Executive under the terms of this Agreement for the period commencing on the Effective Date and ending on the third (3rd) anniversary of the Effective Date (the “Initial Term”); provided, however, that commencing on the expiration of the Initial Term and each anniversary thereafter, the term of this Agreement shall be deemed to be automatically extended, upon the same terms and conditions, for successive periods of one (1) year each (each, an “Extended Term”), unless Executive or the Company, as the case may be, at least ninety (90) days prior to the expiration of the Initial Term or any Extended Term, provides written notice to the other of its intention not to renew this Agreement. The period during which Executive is employed pursuant to this Agreement, including any Extended Term in accordance with the preceding sentence, shall be referred to as the “Term.”

3.     COMPENSATION.

(a)    Salary. As compensation for Executive’s services to the Company, the Company shall pay Executive a gross monthly salary of NIS 102,650 (the “Salary”), which calculates to an annualized amount of NIS 1,231,800 per year (the “Annual Salary”). The Salary for each month shall be payable in arrears within nine (9) calendar days of the first day of the following calendar month. The Salary may be increased (but not decreased other than pursuant to an across-the-board reduction that applies to all employees or solely to senior executives of the Company) during the Term in the sole discretion of the Compensation Committee of the Board of Directors (the “Compensation Committee”) or the Board of Directors.

(b)    It is hereby clarified that as Executive is employed in a management position which requires a special degree of trust, the Hours of Work and Rest Law-1951, and any other law amending or replacing such law, does not apply to her or to her employment with the Company.

(c)    Withholding. Withholdings shall be deducted at source from any payments and benefits made by the Company to Executive according to any applicable law, including, but not limited to, Israeli income tax, National Security (“Bituach Leumi’’) and Health Tax. Executive shall bear any tax imposed in connection with the payments and benefits provided hereunder.

4.     BENEFITS AND PERQUISITES.

(a)    Annual Leave. Notwithstanding any other policy, plan or program of the Company, Executive shall be entitled to 30 days of paid vacation per calendar year, which may be carried over one year to the extent not used in any given calendar year.

(b)    Sick Leave. Executive shall be entitled to sick leave (“Yemei Mahala”) as provided by the Sickness Pay Law, 1976.

(c)    Reimbursement of Expenses. The Company shall reimburse Executive for any expenses reasonably and necessarily incurred by Executive during the Term in furtherance of Executive’s duties hereunder, including travel, meals and accommodations, upon submission by Executive of vouchers or receipts and in compliance with such rules and policies relating thereto as the Company may from time to time adopt.

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(d)    Pension Arrangement. Executive is entitled to contributions to a Managers Insurance Policy (the “Policy”) or to a comprehensive pension plan (the “Pension Plan”), or a combination of the two, as may be selected by Executive, at the following monthly rates:

In the event Executive chooses a Policy: (i) 8.33% of the Salary towards severance pay component; and (ii) 6.5% of the Salary towards the savings and risk component and the loss of the earning capacity component, at the ratio detailed below (the “Employer’s Contributions”). The Employer’s Contributions shall include contributions to the loss of the earning capacity component at the lower of (i) 2.5% of the Salary; or (ii) a rate which is required to ensure 75% of the Salary. The Employer’s Contributions shall not: (a) include a contribution to the savings and risk component that is lower than 5%; and (b) exceed a total of 7.5%. The Company shall also deduct 6% of the Salary to be paid on Executive’s account towards the Policy.

In the event Executive shall choose a Pension Plan: (i) 8.33% of the Salary towards severance pay component; and (ii) 6.5% of the Salary towards the savings and risk component. The Company shall also deduct 6% of the Salary to be paid on Executive’s account towards the Pension Plan.

In any event, the Company shall not bear more that 7.5% of the Salary (for savings and risk component and loss of earning capacity component combined).

Executive shall be entitled to change his pension arrangement choice in accordance with and subject to the provisions of the law and subject to its compliance with the terms of the General Order (as defined below).

It is hereby agreed that the settlement regulated in the General Order as amended (attached as Exhibit A) published under section 14 of the Severance Pay Law 1963 applies. The Company’s contributions to Executive’s pension arrangement will therefore constitute Executive’s entire entitlement to severance pay in respect of the paid Salary, in place of any severance pay to which Executive otherwise may have become entitled at law.

The Company waives all rights to have its payments refunded, unless Executive’s right to severance pay is denied by a judgment according to sections 16 or 17 of the Severance Pay Law or in the event that Executive withdraw monies from the Policy in circumstances other than an Entitling Event, where an “Entitling Event” means death, disablement or retirement at the age of 60 or over.

(e)    Study Fund. The Company shall contribute 7.5% of the Salary (but in any event, not more than the ceiling recognized by the income tax authorities) towards a study fund (“Keren Hishtalmut”) (the “Study Fund”). Executive shall contribute 2.5% of the Salary (but in any event, not more than the ceiling recognized by the income tax authorities) towards the Study Fund (the sums contributed by Executive shall be deducted directly from the Salary by the Company). Executive shall bear any and all taxes applicable in connection with amounts payable by Executive and/or Company to the Study Fund.

(f)     Recreation Pay. Executive shall be entitled to recreation pay (“Dmey Havra-ah”) in accordance with the law.

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(g)    Travel expense. A Dalkan (payment method for gas, which charges the Company directly) shall be placed in Executive’s private car, and he shall be entitled to use the Dalkan for an unlimited reasonable monthly amount. This benefit replaces Executive’s entitlement to travel expenses according to law.

(h)    Vesting of Equity Upon Change of Control. In the event of a Change of Control (as defined below), provided Executive has remained in continuous service of the Company or any affiliate or subsidiary of the Company, as of the effective date thereof, notwithstanding anything to the contrary in the applicable option or equity-incentive plans, including the Varonis Systems, Inc. 2005 Stock Plan, as amended (the “2005 Plan”), and the Varonis Systems, Inc. 2013 Omnibus Equity Incentive Plan, as amended from time to time (the “2013 Plan”), or award agreements thereunder, Executive shall be entitled to immediate vesting with respect to one hundred percent (100%) of the then-unvested portion of Executive’s outstanding equity-based awards (stock options, restricted stock units, performance stock units or other equity based awards, in each case, to the extent applicable).

“Change of Control” shall have the meaning ascribed to such term in the 2013 Plan.

5.     TERMINATION. Executive’s employment shall be terminated at the earliest to occur of the following: (i) the end of the Term; or (ii) the date of Executive’s death. In addition, Executive’s employment may be earlier terminated: (1) by the Company for “Cause” (as defined below), effective on the date on which a written notice to such effect is delivered to Executive; (2) or by either Party at any time without Cause, by providing the other Party with a prior written notice period of 90 days; or (3) by Executive for “Good Reason” (as defined below), effective thirty-one (31) days following the date on which a written notice to such effect is delivered to the Company; provided, however, that the Company may specify an earlier effective date for a termination effected pursuant to clauses (2) or (3) by providing Executive payment in lieu of notice according to law (i.e., Salary only).

(a)    For Cause Termination. If Executive’s employment with the Company is terminated by the Company for Cause, Executive shall not be entitled to any further compensation or benefits other than: (i) any accrued but unpaid Salary, payable as provided in Section 3(a) hereof; (ii) any accrued but unused annual leave, payable at the same time as the Salary and in accordance with Section 3(a) hereof; (iii) reimbursement for any business expenses properly incurred by Executive prior to the date of termination in accordance with Section 4(c) hereof, payable in accordance with Section 4(c) hereof; and (iv) any accrued but unpaid recreation pay (collectively, the “Accrued Benefits”).

(b)    Termination by the Company without Cause or by Executive for Good Reason. If Executive’s employment is terminated by the Company other than for Cause or by Executive for Good Reason and Section 5(c) is not then applicable, then Executive shall be entitled to (i) the Accrued Benefits payable as provided in Section 5(a) hereof; and (ii) an amount equal to one-half (0.5) times the Annual Salary as of the date of termination, payable in a lump sum on the 60th day following the date of termination, subject to Executive’s execution and non-revocation of a general release of claims relating to Executive’s employment and service as an officer with the Company in a form reasonably satisfactory to the Company (the “Release”) within thirty (30) days following the date of termination (or such longer period as may be required by applicable law for the effectiveness of the Release).

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(c)    Termination in Connection with a Change in Control. If Executive’s employment hereunder is terminated (i) by the Company other than for Cause or (ii) by Executive with Good Reason, in either case within one year following a Change in Control, then Executive shall be entitled to (i) the Accrued Benefits and (ii) upon Executive’s execution and non-revocation of the Release within thirty (30) days following the date of termination (or such longer period as may be required by applicable law for the effectiveness of the Release), an amount equal to one (1) times the Annual Salary as of the date of termination, payable in a lump sum on the 60th day following the date of termination.

(d)    Voluntary Resignation by Executive without Good Reason; Termination upon Death. If Executive voluntarily resigns his employment without Good Reason or if Executive’s employment is terminated by reason of Executive’s death, in lieu of any other payments or benefits, Executive (or Executive’s beneficiary or estate, as applicable) shall be entitled to the Accrued Benefits only.

(e)    Expiration of Term. For the avoidance of doubt, upon the expiration of the Term in accordance with Section 2 hereof, the parties’ obligations hereunder, other than with respect to the provisions set forth in Sections 6, 7 and 8 hereof, shall expire.

(f)    Clawback. Notwithstanding anything herein to the contrary, if (A) Executive breaches any of the restrictive covenants set forth in Section 6 hereof or any other restrictive covenants (including those restrictive covenants contained in the Restrictive Covenant Agreement) and (B) the Company provides Executive with written notice of such breach, the Company shall not be required to pay any amount pursuant to Section 5(b) or Section 5(c) and the Company shall have the right to require Executive (and any heir, representative, successor or assign of Executive) to repay any amount previously paid to Executive pursuant to Section 5(b) or 5(c).

(g)    Definitions. For purposes of this Agreement:

“Affiliate” means a person that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, the person specified.

“Cause” means (i) an act of dishonesty made by Executive in connection with Executive’s responsibilities as an employee which is materially injurious to the financial condition or business reputation of the Company; (ii) Executive’s conviction of or plea of nolo contendere to, a felony or any crime involving fraud, embezzlement or any other act of moral turpitude; (iii) Executive’s gross misconduct; (iv) Executive’s willful unauthorized use or disclosure of any proprietary information or trade secrets of the Company; (v) Executive’s willful and material violation of any written policies of the Company; (vi) Executive’s material breach of any obligations under any material written agreement or covenant with the Company; or (vii) Executive’s continued failure to perform his employment duties after Executive has received a written demand for performance from the Company which specifically sets forth the factual basis for the Company’s belief that Executive has not substantially performed his duties.

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“Good Reason” means the occurrence, without the express prior written consent of Executive, of any of the following circumstances, unless such circumstances are corrected by the Company within thirty (30) days following written notification by Executive (which written notice must be delivered within thirty (30) days following the date Executive becomes aware of the occurrence of such circumstances) that Executive intends to terminate Executive’s employment for one of the reasons set forth below: (i) any material reduction in Executive’s title, duties, authorities, or responsibilities; (ii) any material breach by the Company of any agreement between the Company and Executive; (iii) any material reduction in the Salary (including, once Executive’s Salary is increased, any material reduction in Executive’s Salary below such increased amount) other than, in each case, an across-the-board reduction that applies to all employees or solely to senior executives of the Company; or (iv) any relocation of Executive’s principal place of employment to a location more than fifty (50) miles outside of Varonis Systems, Inc. or Company’s headquarters in New York, New York or Herzliya, Israel, respectively.

“Restrictive Covenant Agreement” means the Confidential Information and Invention Assignment Undertaking entered into between Executive and the Company, as the same may be amended or replaced from time to time or any successor agreement.

(h)    Resignation as Officer or Director. Upon a termination of employment for any reason, Executive shall resign each position that Executive then holds as an officer of the Company or as an officer or director of any of the Company’s subsidiaries or Affiliates. Executive’s execution of this Agreement shall be deemed the grant by Executive to the officers of the Company of a limited power of attorney to sign in Executive’s name and on Executive’s behalf any such documentation as may be required to be executed solely for the limited purposes of effectuating such resignations.

6.     COVENANTS.

(a)    Non-Solicitation of Employees and Contractors. Executive agrees that during the term of his employment and for a period of twelve (12) months following Executive’s termination of employment for any reason, whether such termination is initiated by the Company or Executive, Executive shall not, directly or indirectly, without the prior written consent of the Company, whether or not such action is initiated by Executive: (i) solicit, encourage or attempt to solicit or encourage any employee or contractor of the Company to terminate such work relationship, (ii) solicit, encourage or attempt to solicit or encourage any employee or contractor of the Company to be employed by or provide services to any person or entity other than the Company, or (iii) hire, employ or engage any employee or contractor of the Company to work for a person or entity other than the Company. The foregoing obligations shall apply to any employee or contractor of the Company at the time Executive’s employment is terminated as well as any such individuals who, either coincident with or within twelve (12) months before the termination of Executive’s employment hereunder, terminated their employment or engagement with the Company.

(b)    Non-Interference With Business Relations. Executive agrees that during the term of his employment and for a period of twelve (12) months immediately following the termination of his relationship with the Company for any reason, whether such termination is initiated by the Company or Executive, he will not, directly or indirectly, without the prior written consent of the Company, whether or not such action is initiated by Executive: (i) do anything or attempt to do anything to discredit or otherwise injure the reputation or goodwill of the Company; (ii) solicit, induce, encourage or attempt to solicit, induce or encourage any party or any existing or prospective counterparty including, but not limited to, any advertiser, vendor, customer, employee, contractor, distributor, manufacturer or any other existing or prospective professional or business relation of the Company to not conduct business with the Company, divert away any business from the Company, or to cease, limit or reduce the level of business conducted between such business relation and the Company; or (iii) in any way interfere or attempt to interfere with the Company’s relationship with any party or existing or prospective counterparty, including, but not limited to, any advertiser, customer, employee, independent contractor, distributor, manufacturer or other professional or business relation of the Company.

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(c)    Non-Competition. Executive agrees that during the term of his employment and for a period of twelve (12) months immediately following the termination of his relationship with the Company for any reason, whether such termination is initiated by the Company or Executive, he will not, directly or indirectly, without the prior written consent of the Company, whether paid or not: (i) serve as a partner, principal, licensor, licensee, employee, consultant, contractor, officer, director, manager, agent, affiliate, representative, advisor, promoter, associate, investor, creditor, or otherwise in any other capacity for, (ii) own, purchase, organize, or take preparatory steps for the organization or competition of, or (iii) build, design, finance, acquire, lease, operate, manage, control, invest in, advise, work or consult for or otherwise join, participate in or affiliate himself with, any business whose business, products or operations are competitive (including by planning or proposing to be competitive) with the Company’s data management and data protection business. The foregoing covenant shall cover Executive’s activities in every part of the world. Should Executive obtain other employment during his employment with the Company or within twelve (12) months immediately following the termination of his relationship with the Company, Executive agrees to provide written notification to the Company as to the name and address of his new employer, the position that he expects to hold, and a general description of his duties and responsibilities, at least five (5) business days prior to starting such employment.

(d)    Restrictive Covenant Agreement. Executive agrees and acknowledges that Executive has agreed to be bound by and comply with the terms, conditions and restrictions contained in the Restrictive Covenant Agreement.

(e)    Acknowledgement. Executive acknowledges and agrees that: (i) the business in which the Company is engaged is intensely competitive, (ii) Executive’s employment by the Company will require Executive to have access to, and knowledge of confidential information, which is of vital importance to the success of the Company, (iii) the disclosure or improper use of any confidential information could place the Company at a serious competitive disadvantage and could do them serious damage, financial and otherwise, (iv) Executive will develop relationships with clients and business partners pursuant to this Agreement at the time and expense of the Company, and (v) by Executive’s training, experience and expertise, Executive’s services to the Company are extraordinary, special and unique. Executive agrees and acknowledges that each restrictive covenant in this Section 6 (including, for all purposes of this Section 6(e), each restrictive covenant contained in the Restricted Covenant Agreement) is reasonable as to duration, terms and geographical area and that the same protects the legitimate interests of the Company and its Affiliates, including the protection and continuity of the business and goodwill of the Company, imposes no undue hardship on Executive, is not injurious to the public, and that, notwithstanding any provision in this Agreement to the contrary, any violation of this restrictive covenant shall be specifically enforceable in any court of competent jurisdiction. Executive agrees and acknowledges that a portion of the compensation paid to Executive under this Agreement will be paid in consideration of the covenants contained in this Section 6, the sufficiency of which consideration is hereby acknowledged. If any provision of this Section 6 as applied to Executive or to any circumstance is adjudged by a court with competent jurisdiction to be invalid or unenforceable, the same shall in no way affect any other circumstance or the validity or enforceability of any other provisions of this Section 6. If the scope of any such provision, or any part thereof, is too broad to permit enforcement of such provision to its full extent, Executive agrees that the court making such determination shall have the power to reduce the duration and/or area of such provision, and/or to delete specific words or phrases, and in its reduced form, such provision shall then be enforceable and shall be enforced. Executive agrees and acknowledges that the breach of this Section 6 will cause irreparable injury to the Company and upon breach of any provision of this Section 6, the Company shall be entitled to injunctive relief, specific performance or other equitable relief by any court with competent jurisdiction without the need to prove the inadequacy of monetary damages or post a bond; provided, however, that this shall in no way limit any other remedies which the Company may have (including, without limitation, the right to seek monetary damages). Each of the covenants in this Section 6 shall be construed as an agreement independent of any other provisions in this Agreement.

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(f)     Definition of “the Company” for Section 6. For purposes of this Section 6, “the Company” refers to the Company and any incorporated or unincorporated Affiliates, including any entity which becomes Executive’s employer as a result of any transaction, reorganization or restructuring of the Company for any reason.

Nothing contained in this Section 6 shall limit any common law or statutory obligation that Executive may have to the Company or an Affiliate. The Company shall be entitled, in connection with its tax planning or other reasons, to terminate Executive’s employment (which termination shall not be considered a termination without Cause for purposes of this Agreement or otherwise) in connection with an invitation from an Affiliate to accept employment with such Affiliate.

7.     ASSIGNMENT. This Agreement, and all of the terms and conditions hereof, shall bind the Company and its successors and assigns and shall bind Executive and Executive’s heirs, executors and administrators. No transfer or assignment of this Agreement shall release the Company from any obligation to Executive hereunder. Neither this Agreement, nor any of the Company’s rights or obligations hereunder, may be assigned or otherwise subject to hypothecation by Executive, and any such attempted assignment or hypothecation shall be null and void. The Company may assign the rights and obligations of the Company hereunder, in whole or in part, to any of the Company’s subsidiaries, Affiliates or parent corporations, or to any other successor or assign in connection with the sale of all or substantially all of the Company’s assets or stock or in connection with any merger, acquisition and/or reorganization, provided the assignee assumes the obligations of the Company hereunder.

8.     GENERAL.

(a)    Privacy. By signing this Agreement, Executive consents, of his own free will and although not required to do so under law, that the information in this Agreement and any information concerning him gathered by the Company, will be held and managed by the Company or on its behalf, inter alia, on databases according to law, and that the Company shall be entitled to transfer such information to third parties, in Israel or abroad. The Company undertakes that the information will be used, and transferred for legitimate business purposes only. Without derogating from the generality of the above, such purposes may include human resources management and assessment of potential transactions, to the extent required while maintaining Executive’s right to privacy.

8

(b)    Monitoring. By signing this Agreement, Executive agrees that the Company may monitor her use of their Systems and copy, transfer and disclose all electronic communications and content transmitted by or stored in such Systems, in pursuit of the Company’s legitimate business interests, all in accordance with the Company’s policy and guidelines as in force from time to time and subject to applicable law. For the purposes of this Section, the term “Systems” includes telephone, computers, computer system, internet server, electronic database and software, whether under Executive’s direct control or otherwise. Executive may use the Company’s Systems for reasonable personal use all subject to Company’s policy as in force from time to time.

(c)    Notices. All notices or other communications required or permitted under this Agreement shall be made in writing and shall be deemed given if delivered personally or sent by nationally recognized overnight courier service. Any notice or other communication shall be deemed given on the date of delivery or on the date one (1) business day after it shall have been given to a nationally-recognized overnight courier service. All such notices or communications shall be delivered to the recipient at the addresses indicated below:

To the Company:

Varonis Systems Ltd.

7 Shenkar St.

Herzliya, Israel 46733

Attention: General Counsel

To Executive:

at the address as it appears in the Company’s books and records or at such other place as Executive shall have designated by notice as herein provided to the Company.

(d)    Severability. Any provision in this Agreement which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. To the fullest extent permitted by applicable law, the parties hereby waive any provision of law which may render any provision hereof prohibited or unenforceable in any respect.

(e)    Entire Agreement. This Agreement constitutes the entire agreement of the parties with respect to the subject matter hereof and may not be modified or amended except by a written agreement signed by the Company and Executive. As of the Effective Date, this Agreement supersedes any prior agreements or understandings between the parties with respect to the subject matter hereof, including the Original Agreement. Executive represents that he is free to enter into this Agreement without violating any agreement or covenant with, or obligation to, any other entity or individual.

9

(f)     Counterparts. This Agreement may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered shall be an original, but all such counterparts shall together constitute one and the same agreement, and all signatures need not appear on any one counterpart.

(g)    Amendments. No amendments or other modifications to this Agreement may be made except by a writing signed by all parties. No amendment or waiver of this Agreement requires the consent of any individual, partnership, corporation or other entity not a party to this Agreement. Nothing in this Agreement, express or implied, is intended to confer upon any third person any rights or remedies under or by reason of this Agreement.

(h)    Governing Law; Dispute Resolution. This Agreement shall be governed by, and construed and enforced in accordance with, the laws of the State of Israel, without regard to any choice-of-law rules thereof which might apply the laws of any other jurisdiction. To the fullest extent permitted by law, the resolution of all disputes arising under, or relating to, this Agreement shall be governed by, and construed and enforced in accordance with, the arbitration provision of the Restrictive Covenant Agreement. The parties submit to the exclusive jurisdiction of the competent courts of Tel-Aviv in any dispute related to this Agreement.

(i)     Survivorship. The provisions of this Agreement necessary to carry out the intention of the parties as expressed herein shall survive the termination or expiration of this Agreement.

(j)     Waiver. The waiver by either party of the other party’s prompt and complete performance, or breach or violation, of any provision of this Agreement shall not operate nor be construed as a waiver of any subsequent breach or violation, and the failure by any party hereto to exercise any right or remedy which it may possess hereunder shall not operate nor be construed as a bar to the exercise of such right or remedy by such party upon the occurrence of any subsequent breach or violation. No waiver shall be deemed to have occurred unless set forth in a writing executed by or on behalf of the waiving party. No such written waiver shall be deemed a continuing waiver unless specifically stated therein, and each such waiver shall operate only as to the specific term or condition waived and shall not constitute a waiver of such term or condition for the future or as to any act other than that specifically waived.

(k)    Section Headings. The section headings contained herein are for the purposes of convenience only and are not intended to define or limit the contents of said sections.

(l)     Construction. The parties acknowledge that this Agreement is the result of arm’s-length negotiations between sophisticated parties, each afforded representation by legal counsel. Each and every provision of this Agreement shall be construed as though both parties participated equally in the drafting of the same, and any rule of construction that a document shall be construed against the drafting party shall not be applicable to this Agreement.

10

(m)    Cooperation. Executive agrees that, subsequent to any termination of his employment, he will continue to cooperate with the Company in the prosecution and/or defense of any claim in which the Company may have an interest (with the right of reimbursement for reasonable out-of-pocket expenses actually incurred) which may include, without limitation, being available to participate in any proceeding involving the Company, permitting interviews with representatives of the Company, appearing for depositions and trial testimony, and producing and/or providing any documents or names of other persons with relevant information in Executive’s possession or control arising out of his employment in a reasonable time, place and manner.

(n)    Electronic Salary Slips. By signing the below, Executive consents to receive the pay slips from the Company in an electronic manner. The pay slips will placed on a secure website and access to it may be gained through username and password that will be sent to Executive’s email address, that is provided to Executive by the Company. Executive waives his right to receive a hardcopy of the pay slip but he may withdraw such waiver in writing at any time. Executive will be entitled to request access to the pay slips according to law.

11

IN WITNESS WHEREOF, the parties have duly executed this Employment Agreement on the day and year set forth above.

VARONIS SYSTEMS LTD.		/s/ David Bass
		David Bass
By:	/s/ Seth J. Gerson
Name:	Seth J. Gerson
Title:	Vice President and General Counsel

12

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Yakov Faitelson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Varonis Systems, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 1, 2018	By:	/s/ Yakov Faitelson
		Yakov Faitelson
		Chief Executive Officer and President (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Guy Melamed, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Varonis Systems, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 1, 2018	By:	/s/ Guy Melamed
		Guy Melamed
		Chief Financial Officer and Chief Operating Officer (Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF CEO PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Varonis Systems, Inc. (the “Company”) for the quarterly period ended March 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Yakov Faitelson, as Chief Executive Officer and President of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

(1)       The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)       The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Yakov Faitelson
	Yakov Faitelson
	Chief Executive Officer and President (Principal Executive Officer)

Date: May 1, 2018

This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

EX-32.2

Exhibit 32.2

CERTIFICATION OF CFO PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Varonis Systems, Inc. (the “Company”) for the quarterly period ended March 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Guy Melamed, as Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

(1)       The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)       The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Guy Melamed
	Guy Melamed
	Chief Financial Officer and Chief Operating Officer (Principal Financial and Accounting Officer)

Date: May 1, 2018

This certification accompanies the Report pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 27, 2018
Document Information [Line Items]
Entity Registrant Name	VARONIS SYSTEMS INC
Entity Central Index Key	0001361113
Trading Symbol	vrns
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding (in shares)		28,752,821
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 70,778	$ 56,689
Short-term investments	82,892	79,868
Trade receivables (net of allowance for doubtful accounts of $433 at March 31, 2018 and December 31, 2017)	32,468	75,596
Prepaid expenses and other current assets	18,933	14,346
Total current assets	205,071	226,499
Long-term assets:
Other assets	7,674	7,243
Property and equipment, net	12,180	11,896
Total long-term assets	19,854	19,139
Total assets	224,925	245,638
Current liabilities:
Trade payables	483	635
Accrued expenses and other short term liabilities	36,190	42,453
Deferred Revenue, Current	68,481	73,493
Total current liabilities	105,154	116,581
Long-term liabilities:
Deferred revenues	6,247	6,608
Other liabilities	8,045	7,807
Total long-term liabilities	14,292	14,415
Stockholders’ equity:
Common stock of $0.001 par value - Authorized: 200,000,000 shares at March 31, 2018 and December 31, 2017; Issued and outstanding: 28,748,631 shares at March 31, 2018 and 28,146,162 shares at December 31, 2017	29	28
Accumulated other comprehensive income (loss)	(1,973)	136
Additional paid-in capital	231,860	223,868
Accumulated deficit	(124,437)	(109,390)
Total stockholders’ equity	105,479	114,642
Total liabilities and stockholders’ equity	$ 224,925	$ 245,638

XML

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Allowance for doubtful accounts	$ 433	$ 433
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock, issued (in shares)	28,748,631	28,146,162
Common stock, outstanding (in shares)	28,748,631	28,146,162

XML

Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
License revenues	$ 53,528	$ 39,593
Cost of revenues	6,442	4,693
Gross profit	47,086	34,900
Operating costs and expenses:
Research and development	15,542	10,409
Sales and marketing	39,972	30,914
General and administrative	7,069	5,509
Total operating expenses	62,583	46,832
Operating loss	(15,497)	(11,932)
Financial income, net	978	469
Loss before income taxes	(14,519)	(11,463)
Income taxes	(527)	(200)
Net loss	$ (15,046)	$ (11,663)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.53)	$ (0.43)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	28,362,479	26,951,205
License [Member]
Revenues:
License revenues	$ 25,074	$ 18,092
Maintenance [Member]
Revenues:
License revenues	$ 28,454	$ 21,501

XML

Unaudited Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net loss	$ (15,046)	$ (11,663)
Other comprehensive income (loss):
Unrealized loss on short-term investments	(8)
Unrealized income (loss) on derivative instruments	(2,101)	2,124
Total other comprehensive income (loss)	(2,109)	2,124
Comprehensive loss	$ (17,155)	$ (9,539)

XML

Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (15,046)	$ (11,663)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	797	622
Stock-based compensation	6,927	4,404
Amortization of deferred commissions	3,325	3,027
Changes in assets and liabilities:
Trade receivables	43,128	26,395
Prepaid expenses and other current assets	(5,806)	(2,497)
Deferred commissions	(2,434)	(2,906)
Other long term assets	41
Trade payables	(152)	294
Accrued expenses and other short term liabilities	(8,200)	(6,421)
Deferred revenues	(5,373)	(2,417)
Other long term liabilities	237	(541)
Net cash provided by operating activities	17,444	8,297
Cash flows from investing activities:
Increase in short-term investments	(3,033)	(4,757)
Increase in long-term deposits	(308)	(140)
Purchase of property and equipment	(1,081)	(1,498)
Net cash used in investing activities	(4,422)	(6,395)
Cash flows from financing activities:
Proceeds from employee stock plans, net	1,066	882
Net cash provided by financing activities	1,066	882
Increase in cash, cash equivalents and restricted cash	14,088	2,784
Cash, cash equivalents and restricted cash at beginning of period	57,236	48,803
Cash, cash equivalents and restricted cash at end of period	71,324	51,587
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 102	$ 20

XML

Note 1 - General

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

NOTE 1: - GENERAL

a. Varonis Systems, Inc. (“VSI” and together with its subsidiaries, collectively, the “Company”) was incorporated under the laws of the State of Delaware on

November 

3,

2004

and commenced operations on

January 

1,

2005.

VSI has

eight

wholly-owned subsidiaries: Varonis Systems Ltd. (“VSL”) incorporated under the laws of Israel on

November 

24,

2004;

Varonis (UK) Limited (“VSUK”) incorporated under the laws of England on

March 

14,

2007;

Varonis Systems (Deutschland) GmbH (“VSG”) incorporated under the laws of Germany on 

July 

6,

 

2011;

 Varonis France SAS

(“VSF

”) incorporated under the laws of France on

February 

22,

2012;

Varonis Systems Corp. (“VSC”) incorporated under the laws of British Columbia, Canada on

February 

19,

2013;

Varonis Systems (Ireland) Limited incorporated under the laws of Ireland on

November 11, 2016;

Varonis Systems (Australia) Pty Ltd (“VSA”) incorporated under the laws of Victoria, Australia on

February 28, 2017;

and Varonis Systems (Netherlands) B.V. incorporated under the laws of the Netherlands on

March 13, 2018.

The Company’s software products and services allow enterprises to manage, analyze and secure enterprise data. Varonis focuses on protecting enterprise data: sensitive files and emails; confidential customer, patient and employee data; financial records; strategic and product plans; and other intellectual property.  Through its products DatAdvantage (including the Automation Engine), DatAlert (including Varonis Edge), Data Classification Engine (including GDPR Patterns), DataPrivilege, Data Transport Engine and DatAnswers, the software platform allows enterprises to protect sensitive data from insider threats and cyberattacks and realize the value of their enterprise data in ways that are

not

resource-intensive and easy to implement.

VSI markets and sells products and services mainly in the United States. VSUK, VSG, VSF, VSC and VSA resell the Company’s products and services mainly in the UK, Germany, France and rest of Europe, Canada and Australia, respectively. The Company primarily sells its products and services to a global network of distributors and Value Added Resellers (VARs), which sell the products to end user customers.

b. Basis of Presentation:

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with Article

10

of Regulation S-

X,

“Interim Financial Statements” and 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

2017

consolidated financial statements and notes thereto included in the Company’s Annual Report on Form

10

-K for its fiscal year ended

December 31, 2017

filed with the SEC on

February 13, 2018 (

the

“2017

Form

10

-K”). There have been

no

changes in the significant accounting policies from those that were disclosed in the audited consolidated financial statements for the fiscal year ended

December 

31,

2017

included in the

2017

Form

10

-K, except as follows:

Effective as of

January 1, 2018,

the Company adopted Accounting Standards Update

2014

-

09,

“Revenue from Contracts with Customers” (“ASU

606”

) on a full retrospective basis which requires the Company to restate its historical financial information for fiscal year

2017

and to be consistent with the new standard in

2018.

The Company implemented internal controls and key system functionality to enable the preparation of financial information upon adoption. ASU

606

provides enhancements to the quality and consistency of how revenue is reported while also improving comparability in the financial statements of companies reporting using IFRS and US GAAP. The core principle of the standard is for companies to recognize revenue to depict the transfer of goods or services to customers in amounts that reflect the consideration (that is, payment) to which the company expects to be entitled in exchange for those goods or services. The most significant impacts of the standard to the Company relate to the timing of revenue recognition for arrangements involving term licenses and sales commissions. Under ASU

606,

the Company is required to recognize term license revenues upon the transfer of the license and the associated maintenance revenues over the contract period, as opposed to the Company’s prior practice of recognizing both the term license and maintenance revenues ratably over the contract period. In addition, the Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately

four

years. Previously, the Company did

not

capitalize sales commission costs but rather recognized these costs when they were incurred.

Adoption of the standard results in a reduction of revenues of

$1,974

for the year ended

December 31, 2017

primarily due to the net change in term license revenue recognition. As of

December 31, 2017,

the adoption of the standard results in an increase in deferred commission of

$13,486,

a decrease in short-term deferred revenues of

$398,

a decrease in long-term deferred revenues of

$426

and an increase of

$1,246

in deferred tax liabilities. This is a result of the capitalization of sales commission costs and the upfront recognition of license revenues from term licenses. The cumulative impact to the Company’s accumulated deficit as of

December 31, 2017

is a reduction of

$13,064.

Adoption of the standard related to revenue recognition had

no

impact to cash from or used in operating, financing or investing activities on the Company’s consolidated statements of cash flows.

The Company adjusted its consolidated financial statements from amounts previously reported due to the adoption of ASU

606.

Select consolidated statement of operations, consolidated balance sheet and consolidated statement of cash flows, which reflect the adoption of the new standard are as follows:

	Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
License revenues	$	19,155		$	(1,063	)	$	18,092
Maintenance and service revenues		21,225			276			21,501
Total revenues		40,380			(787	)		39,593
Cost of revenues		4,672			21			4,693
Gross profit		35,708			(808	)		34,900
Operating costs and expenses:
Research and development		10,409			-			10,409
Sales and marketing		30,811			103			30,914
General and administrative		5,513			(4	)		5,509
Total operating expenses		46,733			99			46,832
Operating loss		(11,025	)		(907	)		(11,932	)
Financial income, net		469			-			469
Loss before income taxes		(10,556	)		(907	)		(11,463	)
Income taxes		(323	)		123			(200	)
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)

	December 31, 2017 Balance Sheet Data
	As Reported			Adjustments			As Adjusted
Assets
Current assets:
Prepaid expenses and other current assets	$	7,130		$	7,216		$	14,346
Long-term assets:
Other assets	$	973		$	6,270		$	7,243
Liabilities and stockholders’ equity
Current liabilities:
Deferred revenues	$	73,891		$	(398	)	$	73,493
Long-term liabilities:
Deferred revenues	$	7,034		$	(426	)	$	6,608
Other liabilities	$	6,561		$	1,246		$	7,807
Stockholders’ equity:
Accumulated deficit	$	(122,454	)	$	13,064		$	(109,390	)

	Statement of Cash Flows Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
Cash flows from operating activities
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)
Amortization of deferred commissions	$	-		$	3,027		$	3,027
Deferred commissions	$	-		$	(2,906	)	$	(2,906	)
Deferred revenues	$	(3,203	)	$	786		$	(2,417	)
Other long term liabilities	$	(418	)	$	(123	)	$	(541	)
Net cash provided by operating activities	$	8,297		$	-		$	8,297

c. Revenue Recognition:

The Company generates revenues in the form of software license fees and related maintenance and services fees. License fees include perpetual license fees and term license fees which provide customers with the same functionality and differ mainly in the duration over which the customer benefits from the software. Maintenance and services primarily consist of fees for maintenance services (including support and unspecified upgrades and enhancements when and if they are available) and to a lesser extent professional services which focus on both deployment and training the Company’s customers to fully leverage the use of its products although the user can benefit from the software without the Company’s assistance. The Company sells its products worldwide directly to a network of distributors and VARs, and payment is typically due within

30

to

90

calendar days of the date the Company issues an invoice.

The Company recognizes revenues in accordance with ASC

No.

606,

“Revenue from Contracts with Customers”. As such, the Company identifies a contract with a customer, identifies the performance obligations in the contract, determines the transaction price, allocates the transaction price to each performance obligation in the contract and recognizes revenues when (or as) the Company satisfies a performance obligation.

Software license revenues are recognized at the point of time when the software license has been delivered.

The Company recognizes revenues from maintenance ratably over the term of the underlying maintenance contract term. The term of the maintenance contract is usually

one

year. Renewals of maintenance contracts create new performance obligations that are satisfied over the term with the revenues recognized ratably over the term.

Revenues from professional services consists mostly of time and material services. The performance obligations are satisfied, and revenues are recognized, when the services are provided or when the service term has expired.

In contracts with multiple performance obligations, the Company accounts for individual performance obligations separately if they are distinct. The Company allocates the transaction price to each performance obligation based on its relative standalone selling price out of total consideration of the contract. For maintenance and support, the Company determines the standalone selling price based on the price at which the Company separately sells a renewal contract. The Company determines the standalone selling price for sales of licenses using the residual approach. For professional services, the Company determines the standalone selling prices based on the price at which the Company separately sells those services.

Trade and other receivables are primarily comprised of trade receivables that are recorded at the invoice amount, net of an allowance for doubtful accounts.

Deferred revenues represent mostly unrecognized fees billed or collected for maintenance and professional services. Deferred revenues are recognized as (or when) the Company performs under the contract. The amount of revenues recognized in the period that was included in the opening deferred revenues balance was

$27,952

for the

three

months ended

March 

31,

2018.

The Company does

not

grant a right of return to its customers, except for

one

of its resellers. In

2017

and for the

three

months ended

March 31, 2018,

there were

no

returns from this reseller.

The Company pays commissions to sales and marketing and certain management personnel based on their attainment of certain predetermined sales goals. Sales commissions are considered incremental costs of obtaining a contract with a customer and are deferred and amortized. The Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately

four

years. Amortization expenses related to these costs are included in sales and marketing expenses in the accompanying consolidated statements of operations.

For information regarding disaggregated revenues, please refer to note

5.

d. Derivative Instruments:

The Company’s primary objective for holding derivative instruments is to reduce its exposure to foreign currency rate changes. The Company reduces its exposure by entering into forward foreign exchange contracts with respect to operating expenses that are forecast to be incurred in currencies other than the U.S. dollar. A majority of the Company’s revenues and operating expenditures are transacted in U.S. dollars. However, certain operating expenditures are incurred in or exposed to other currencies, primarily the New Israeli Shekel (“NIS”).

The Company has established forecasted transaction currency risk management programs to protect against fluctuations in fair value and the volatility of future cash flows caused by changes in exchange rates. The Company’s currency risk management program includes forward foreign exchange contracts designated as cash flow hedges. These forward foreign exchange contracts generally mature within

12

months. The Company does

not

enter into derivative financial instruments for trading purposes.

Derivative instruments measured at fair value and their classification on the consolidated balance sheets are presented in the following table (in thousands):

	Liabilities as of March 31, 2018 (unaudited)					Assets as of December 31, 2017
	Notional Amount		Fair Value			Notional Amount		Fair Value
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other short term liabilities	$	44,348	$	(2,029	)	$	1,746	$	163

For the

three

months ended

March 31, 2018

and

2017,

the unaudited consolidated statements of operations reflect a gain of approximately

$48

and

$265,

respectively, related to the effective portion of foreign currency forward contracts.

Any

ineffective portion of foreign currency forward contracts is recognized in financial income (expense), net in the unaudited consolidated statement of operations.

No

material ineffective hedges were recognized in other income (expenses) for the

three

months ended

March 31, 2018

and

2017.

e. Cash, Cash Equivalents and Short-Term Investments:    

The Company accounts for investments in marketable securities in accordance with ASC

No.

 

320,

“Investments—Debt and Equity Securities”. The Company considers all highly liquid investments with a maturity of

three

months or less when purchased to be cash equivalents. Cash and cash equivalents consist of cash on hand, highly liquid investments in money market funds and various deposit accounts.

The Company considers all high quality investments purchased with original maturities at the date of purchase greater than

three

months to be short-term investments. Investments are available to be used for current operations and are, therefore, classified as current assets even though maturities

may

extend beyond

one

year. Cash equivalents and short-term investments are classified as available for sale and are, therefore, recorded at fair value on the consolidated balance sheet, with any unrealized gains and losses reported in accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s consolidated balance sheets, until realized. The Company uses the specific identification method to compute gains and losses on the investments. The amortized cost of securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization and accretion is included as a component of financial income, net in the consolidated statement of operations. Cash, cash equivalents and short-term investments consist of the following (in thousands):

	As of March 31, 2018 (unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	61,749	$	-	$	-		$	61,749
Money market funds		9,029		-		-			9,029
Total	$	70,778	$	-	$	-		$	70,778
Short-term investments
US Treasury securities	$	37,751	$	-	$	(34	)	$	37,717
Term bank deposits		45,175		-		-			45,175
Total	$	82,926	$	-	$	(34	)	$	82,892

All the US Treasury securities in short-term investments have a stated effective maturity of less than

12

months as of

March 31, 2018.

	As of December 31, 2017
	Amortized Cost		Gross Unrealized Gains			Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	49,819	$	-		$	-		$	49,819
Money market funds		6,870		-			-			6,870
Total	$	56,689	$	-		$	-		$	56,689
Short-term investments
US Treasury securities	$	39,758		*	)		(27	)	$	39,731
Term bank deposits		40,137		-			-			40,137
Total	$	79,895	$	*	)	$	(27	)	$	79,868

*) Represents an amount lower than

$1

The gross unrealized loss related to these short-term investments was due primarily to changes in interest rates. The Company reviews its short-term investments on a regular basis to evaluate whether or

not

any security has experienced an other than temporary decline in fair value. The Company considers factors such as length of time and extent to which the market value has been less than the cost, the financial condition and near-term prospects of the issuer and its intent to sell, or whether it is more likely than

not

the Company will be required to sell the investment before recovery of the investment’s amortized cost basis. If the Company believes that an other than temporary decline exists in

one

of these securities, the Company writes down these investments to fair value. For debt securities, the portion of the write-down related to credit loss would be recorded to other income (expense), net in the Company’s consolidated statements of operations. Any portion

not

related to credit loss would be recorded to accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s condensed consolidated balance sheets. During the

three

months ended

March 31, 2018,

the Company did

not

consider any of its investments to be other-than-temporarily impaired.

f. Restricted Cash:

In

November 2016,

the Financial Accounting Standards Board (the “FASB”) issued ASU

2016

-

18,

“Statement of Cash Flows (Topic

230

): Restricted Cash”, which requires companies to include amounts generally described as restricted cash and restricted cash equivalents in cash and cash equivalents when reconciling beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU

2016

-

18

is effective for annual and interim periods beginning after

December 15, 2017.

The Company adopted this standard effective

December 31, 2017

using the retrospective transition method, as required by the new standard. The adoption of this standard had an immaterial impact on the Company’s consolidated statements of cash flows.

The following table provides a reconciliation of cash and cash equivalents, and long term restricted cash reported within the consolidated balance sheets that sum to the total of such amounts in the consolidated statements of cash flows:

	March 31, 2018		March 31, 2017
Cash and cash equivalents	$	70,778	$	51,070
Long term restricted cash included in other assets		546		517
Cash, cash equivalents and long term restricted cash shown in the consolidated statement of cash flows	$	71,324	$	51,587

g. Recently Issued Accounting Pronouncements:

In

January 2016,

the FASB issued ASU

2016

-

13,

“Financial Instruments – Credit Losses on Financial Instruments”, which requires that expected credit losses relating to financial assets measured on an amortized cost basis and available for sale debt securities be recorded through an allowance for credit losses. ASU

2016

-

13

limits the amount of credit losses to be recognized for available for sale debt securities to the amount by which carrying value exceeds fair value and also requires the reversal of previously recognized credit losses if fair value increases. The new standard will be effective for interim and annual periods beginning after

January 1, 2020,

and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect on its consolidated financial statements.

In

February 2016,

the FASB issued ASU

2016

-

02,

“Leases”, on the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or

not

the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight line basis over the term of the lease, respectively. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than

12

months regardless of their classification. Leases with a term of

12

months or less will be accounted for in a manner similar to the accounting under existing guidance for operating leases today. The new standard requires lessors to account for leases using an approach that is substantially equivalent to existing guidance for sales-type leases, direct financing leases and operating leases. The new standard supersedes the previous leases standard, ASC

840,

"Leases". The guidance is effective for the interim and annual periods beginning on or after

December 

15,

2018,

and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect of the guidance on its consolidated financial statements.

In

January 2018,

the FASB released guidance on the accounting for tax on the global intangible low-taxed income (“GILTI”) provisions of the Tax Cuts and Jobs Act (“TCJA”). The GILTI provisions impose a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations. The guidance indicates that either (i) accounting for deferred taxes related to GILTI inclusions, or (ii) treating any taxes on GILTI inclusions as period cost, are both acceptable methods subject to an accounting policy election. In accordance with SEC Staff Accounting Bulletin

No.

 

118,

and as the Company is

not

yet able to reasonably estimate the effect of the GILTI tax, as described in note

9

of the Company’s

2017

consolidated financial statements included in the

2017

Form

10

-K, the Company has

not

yet adopted an accounting policy with respect to the GILTI tax.

XML

Note 2 - Fair Value Measurements

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Fair Value Disclosures [Text Block]

NOTE 2: - FAIR VALUE MEASUREMENTS

The Company evaluates assets and liabilities subject to fair value measurements on a recurring basis to determine the appropriate level to classify them for each reporting period. There have been

no

transfers between fair value measurements levels during the

three

months ended

March 31, 2018.

The authoritative guidance on fair value measurements establishes a consistent framework for measuring fair value on either a recurring or nonrecurring basis whereby inputs, used in valuation techniques, are assigned a hierarchical level. The following are the hierarchical levels of inputs to measure fair value:

• Level  1:  Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level  2:  Observable inputs that reflect quoted prices for identical assets or liabilities in markets that are not active; quoted prices for similar assets or liabilities in active markets; inputs other than quoted prices that are observable for the assets or liabilities; or inputs that are derived principally from or corroborated by observable market data by correlation or other means.

• Level  3:  Unobservable inputs reflecting the Company’s own assumptions incorporated in valuation techniques used to determine fair value. These assumptions are required to be consistent with market participant assumptions that are reasonably available.

The following table sets forth the Company’s assets and liabilities that were measured at fair value as of

March 31, 2018

and

December 31, 2017

by level within the fair value hierarchy (in thousands):

	As of March 31, 2018 (unaudited)										As of December 31, 2017
	Level I		Level II			Level III		Fair Value			Level I		Level II		Level III		Fair Value
Financial assets:
Cash equivalents:
Money market funds		9,029		–			–		9,029			6,870		–		–		6,870
Short-term investments:
US Treasury securities		37,717		–			–		37,717			39,731		–		–		39,731
Term bank deposits		45,175		–			–		45,175			40,137		–		–		40,137
Other current assets:
Forward foreign exchange contracts		–		–			–		–			–		163		–		163
Financial liabilities:
Forward foreign exchange contracts		–		(2,029	)		–		(2,029	)		–		–		–		–
Total financial assets (liabilities)	$	91,921	$	(2,029	)	$	–	$	89,892		$	86,738	$	163	$	–	$	86,901

XML

Note 3 - Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

NOTE 3: - COMMITMENTS AND CONTINGENT LIABILITIES

a. Liens:

The Company has several liens granted to financial institutions mainly to secure various operating lease agreements in connection with its office space.

b. Lease Commitments:

The Company rents its facilities in all locations under operating leases with lease periods expiring from

2018

-

2026.

The lease agreement of VSL includes extension options. VSL leases cars for its employees under operating lease agreements expiring at various dates from

2018

–

2021.

Aggregate minimum rental commitments under non-cancelable leases as of

March 31, 2018

for the upcoming years were as follows:

	(unaudited)
2018	$	4,733
2019		5,455
2020		4,669
2021		5,025
2022		5,064
Thereafter		21,960
	$	46,906

Total rent expenses for the

three

months ended

March 31, 2018

and

2017

were

$980

and

$883,

respectively. The total minimum rent to be received in the future under the non-cancelable sublease as of

March 31, 2018

was

$532.

For leases that contain predetermined fixed escalations of the minimum rent, the Company recognizes the related rent expense on a straight-line basis from the date of possession of the property to the end of the initial lease term. The Company records any differences between the straight-line rent amounts and amounts payable under the leases as part of deferred rent, in accrued liabilities or long-term liabilities, as appropriate. Cash or lease incentives received upon entering into certain leases (“tenant allowances”) are recognized on a straight-line basis as a reduction to rent from the date of possession of the property through the end of the initial lease term. The Company records the unamortized portion of tenant allowances as a part of deferred rent, in current liabilities or other long-term liabilities, as appropriate.

c. Credit Facility:

On

March 

31,

2014,

the Company entered into a promissory note and related security documents with Bank Leumi USA. The Company

may

borrow up to

$7,000

against certain of its accounts receivable outstanding amount, based on several conditions, at an annual interest rate of the Wall Street Journal Prime Rate less

0.15%;

provided, however, that the annual interest rate for advances will

not

be less than

4.10%.

As of

March 31, 2018

, that rate amounted to

4.60%.

This promissory note enables the Company, among other things, to engage in foreign currency hedging transactions with Bank Leumi USA to manage exposure to foreign currency risk without restricted cash requirements. The Company

may

borrow under the promissory note until

August 15, 2018

at which time the principal sum of each such loan, together with accrued and unpaid interest payable, will become due and payable. As of

March 31, 2018

, the Company had

no

balance outstanding under the promissory note. As part of the transaction, the Company granted the lender a security interest in its personal property, excluding intellectual property and other intangible assets. The promissory note also contains customary events of default

.

XML

Note 4 - Stockholders' Equity

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

NOTE 4:– STOCKHOLDERS’ EQUITY

a. On

December 

30,

2005,

the Company’s board of directors adopted the Varonis Systems, Inc.

2005

Stock Plan (the

“2005

Stock Plan”). As of

December 

31,

2013,

the Company had reserved

4,713,319

shares of common stock available for issuance to employees, directors, officers and consultants of the Company and its subsidiaries. The options generally vest over

four

years.

No

awards were granted under the

2005

Stock Plan subsequent to

December 

31,

2013,

and

no

further awards will be granted under the

2005

Stock Plan.

On

November 

14,

2013,

the Company’s board of directors adopted the Varonis Systems, Inc.

2013

Omnibus Equity Incentive Plan (the

“2013

Plan”) which was subsequently approved by the Company’s stockholders. The Company initially reserved

1,904,633

shares of common stock for issuance under the

2013

Plan to employees, directors, officers and consultants of the Company and its subsidiaries. The number of shares of common stock available for issuance under the

2013

Plan was increased on

January 

1,

2016

and will be increased on each

January 

1

thereafter by

four

percent (

4%

) of the number of shares of common stock issued and outstanding on each

December 

31

immediately prior to the date of increase (rounded down to the nearest whole share), but the amount of each increase will be limited to the number of shares of common stock necessary to bring the total number of shares of Common Stock available for grant and issuance under the

2013

Plan to

five

percent (

5%

) of the number of shares of common stock issued and outstanding on each

December 

31.

On

January 1, 2018,

2017

and

2016,

the share reserve under the

2013

Plan was automatically increased by

1,125,846,

1,072,870

and

1,042,766

shares, respectively. Awards granted under the

2013

Plan generally vest over

four

years. Any award that is forfeited or canceled before expiration becomes available for future grants under the

2013

Plan.

A summary of employees’ stock options activities during the

three

months ended

March 31, 2018

is as follows:

	Three Months Ended March 31, 2018 (unaudited)
	Number			Weighted average exercise price		Aggregate intrinsic value (in thousands)		Weighted average remaining contractual life (years)
Options outstanding as of January 1, 2018		1,456,285		$	16.172	$	47,152		4.906
Granted		-		$	-
Exercised		(203,474	)	$	17.596
Forfeited		(1,234	)	$	22.070
Options outstanding as of March 31, 2018		1,251,577		$	15.935	$	55,777		4.622
Options exercisable at the end of the period		1,122,468		$	15.151	$	50,903		4.367

The aggregate intrinsic value in the table above represents the total intrinsic value that would have been received by the option holders had all option holders exercised their options on the last date of the period. Total intrinsic value of options exercised for the

three

months ended

March 31, 2018

was

$7,824.

b. The options outstanding as of

March 31, 2018 (

unaudited) have been separated into ranges of exercise price as follows:

Range of exercise price			Options outstanding as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price		Options exercisable as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price of options exercisable
$1.039	-	1.576		361,725		1.090	$	1.275		361,725		1.090	$	1.275
$6.230	-	8.800		28,656		3.776	$	7.174		28,656		3.776	$	7.174
$12.470	-	16.870		204,001		5.534	$	13.387		180,041		5.220	$	12.923
$19.510	-	21.660		328,024		6.375	$	21.205		266,979		6.341	$	21.201
$22.010	-	24.230		148,740		6.047	$	22.297		138,475		6.042	$	22.318
	$29.880			92,028		6.899	$	29.880		58,189		6.899	$	29.880
	$39.860			88,403		5.978	$	39.860		88,403		5.978	$	39.860
				1,251,577		4.622	$	15.935		1,122,468		4.367	$	15.151

c.         Options issued to consultants:  

The Company’s outstanding options granted to consultants for services as of

March 31, 2018 (

unaudited) were as follows:

	Options for shares of common stock		Exercise price per share		Options exercisable		Exercisable through
	(number)				(number)
February 2013		1,500	$	12.470		1,500	February 2023
August 2013		4,188	$	21.140		4,188	August 2023
March 2014		7,844	$	39.860		7,844	March 2024
May 2014		5,991	$	22.010		5,690	May 2024
November 2014		7,032	$	21.660		5,428	November 2024
May 2015		1,312	$	19.510		730	May 2025
February 2016		2,250	$	16.870		1,050	February 2026
		30,117				26,430

d.       Restricted stock units:

A summary of restricted stock units for employees, consultants and non-employee directors of the Company for the

three

months ended

March 31, 2018 (

unaudited) is as follows:

	Number of shares underlying outstanding restricted stock units			Weighted- average grant date fair value
Unvested balance - January 1, 2018		2,018,121		$	27.32
Granted		1,061,150		$	51.95
Vested		(408,615	)	$	24.91
Forfeited		(19,900	)	$	32.66
Unvested balance – March 31, 2018		2,650,756		$	37.51

e. As of

March 31, 2018,

there was

$1,366

and

$93,961

of total unrecognized compensation cost related to unvested employee stock options and unvested restricted stock units, respectively. This cost is expected to be recognized over a period of approximately

0.785

years and

3.127

years for stock options and restricted stock units, respectively.

f. 2015 Employee Stock Purchase Plan

On

May 5, 2015,

the Company’s stockholders approved the Varonis Systems, Inc.

2015

Employee Stock Purchase Plan (the “ESPP”), which the Company’s board of directors had adopted on

March 19, 2015.

The ESPP became effective as of

June 30, 2015.

The ESPP allows eligible employees to purchase shares of the Company’s common stock at a discount through payroll deductions of up to

15%

of their eligible compensation, at

not

less than

85%

of the fair market value of the Company’s common stock on the

first

day or last trading day in the offering period, subject to any plan limitations. The Company initially reserved

500,000

shares of common stock for issuance under the ESPP. The number of shares available for issuance under the ESPP was increased on

January 1, 2016,

and will increase each

January 1

thereafter, by an amount equal to the lesser of (i)

one

percent (

1%

) of the number of shares of common stock issued and outstanding on each

December 31

immediately prior to the date of increase, except that the amount of each such increase will be limited to the number of shares of common stock necessary to bring the total number of shares of common stock available for issuance under the ESPP to

two

percent (

2%

) of the number of shares of common stock issued and outstanding on each such

December 31,

or (ii)

400,000

shares of common stock. On

January 1, 2018,

2017

and

2016,

the share reserve under the ESPP was automatically increased by

188,813,

158,695

and

21,383

shares, respectively. The ESPP will continue in effect until the earlier of (i) the date when

no

shares of common stock are available for issuance thereunder or (ii)

June 30, 2025;

unless terminated prior thereto by the Company’s board of directors or compensation committee, each of which has the right to terminate the ESPP at any time.

g. Stock-based compensation expense for employees and consultants:

The Company recognized non-cash stock-based compensation expense in the consolidated statements of operations as follows:

	Three Months Ended March 31,
	2018		2017
	(unaudited)
	(in thousands)
Cost of revenues	$	362	$	227
Research and development		2,105		1,130
Sales and marketing		3,101		2,059
General and administrative		1,359		988
Total	$	6,927	$	4,404

Since the Company is in a net loss position for all periods presented, basic net loss per share is the same as diluted net loss per share for all the periods as the inclusion of all potential common shares outstanding would have been anti-dilutive. There were

3,932,450

and

4,339,384

potentially dilutive shares from the conversion of outstanding RSUs and stock options that were

not

included in the calculation of diluted net loss per share as of

March 31, 2018

and

2017,

respectively.  

 

XML

Note 5 - Geographic Information and Major Customer and Product Data

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

NOTE 5: - GEOGRAPHIC INFORMATION AND MAJOR CUSTOMER AND PRODUCT DATA

Summary information about geographic areas:

ASC

280,

“Segment Reporting,” establishes standards for reporting information about operating segments. Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. The Company manages its business on the basis of

one

reportable segment and derives revenues from licensing of software and sales of professional services, maintenance and technical support (see note

1

for a brief description of the Company’s business). The following is a summary of revenues within geographic areas:

	Three Months Ended March 31,
	2018		2017
	(unaudited)		(as adjusted)
	(in thousands)
Revenues based on customer’s location:
North America	$	31,620	$	25,437
EMEA (*)		20,347		12,695
Rest of World		1,561		1,461
Total revenues	$	53,528	$	39,593

(*)       Sales 

to customers in the UK accounted for

$5,694

and

$4,077

of the Company’s revenues for the

three

months ended

March 

31,

2018

and

2017,

respectively.

Sales 

to customers in France accounted for

$6,754

of the Company’s revenues for the

three

months ended

March 

31,

2018.

Sales 

to customers in France did

not

exceed

10%

of total revenues for the

three

months ended

March 31, 2017.

	March 31, 2018		December 31, 2017
	(unaudited)
	(in thousands)
Long-lived assets by geographic region:
United States	$	7,096	$	7,072
Israel		3,166		2,944
France		1,357		1,426
Other		561		454
	$	12,180	$	11,896

XML

Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Basis of Accounting, Policy [Policy Text Block]

b. Basis of Presentation:

The accompanying unaudited consolidated interim financial statements have been prepared in accordance with Article

10

of Regulation S-

X,

“Interim Financial Statements” and 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

2017

consolidated financial statements and notes thereto included in the Company’s Annual Report on Form

10

-K for its fiscal year ended

December 31, 2017

filed with the SEC on

February 13, 2018 (

the

“2017

Form

10

-K”). There have been

no

changes in the significant accounting policies from those that were disclosed in the audited consolidated financial statements for the fiscal year ended

December 

31,

2017

included in the

2017

Form

10

-K, except as follows:

Effective as of

January 1, 2018,

the Company adopted Accounting Standards Update

2014

-

09,

“Revenue from Contracts with Customers” (“ASU

606”

) on a full retrospective basis which requires the Company to restate its historical financial information for fiscal year

2017

and to be consistent with the new standard in

2018.

The Company implemented internal controls and key system functionality to enable the preparation of financial information upon adoption. ASU

606

provides enhancements to the quality and consistency of how revenue is reported while also improving comparability in the financial statements of companies reporting using IFRS and US GAAP. The core principle of the standard is for companies to recognize revenue to depict the transfer of goods or services to customers in amounts that reflect the consideration (that is, payment) to which the company expects to be entitled in exchange for those goods or services. The most significant impacts of the standard to the Company relate to the timing of revenue recognition for arrangements involving term licenses and sales commissions. Under ASU

606,

the Company is required to recognize term license revenues upon the transfer of the license and the associated maintenance revenues over the contract period, as opposed to the Company’s prior practice of recognizing both the term license and maintenance revenues ratably over the contract period. In addition, the Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately

four

years. Previously, the Company did

not

capitalize sales commission costs but rather recognized these costs when they were incurred.

Adoption of the standard results in a reduction of revenues of

$1,974

for the year ended

December 31, 2017

primarily due to the net change in term license revenue recognition. As of

December 31, 2017,

the adoption of the standard results in an increase in deferred commission of

$13,486,

a decrease in short-term deferred revenues of

$398,

a decrease in long-term deferred revenues of

$426

and an increase of

$1,246

in deferred tax liabilities. This is a result of the capitalization of sales commission costs and the upfront recognition of license revenues from term licenses. The cumulative impact to the Company’s accumulated deficit as of

December 31, 2017

is a reduction of

$13,064.

Adoption of the standard related to revenue recognition had

no

impact to cash from or used in operating, financing or investing activities on the Company’s consolidated statements of cash flows.

The Company adjusted its consolidated financial statements from amounts previously reported due to the adoption of ASU

606.

Select consolidated statement of operations, consolidated balance sheet and consolidated statement of cash flows, which reflect the adoption of the new standard are as follows:

	Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
License revenues	$	19,155		$	(1,063	)	$	18,092
Maintenance and service revenues		21,225			276			21,501
Total revenues		40,380			(787	)		39,593
Cost of revenues		4,672			21			4,693
Gross profit		35,708			(808	)		34,900
Operating costs and expenses:
Research and development		10,409			-			10,409
Sales and marketing		30,811			103			30,914
General and administrative		5,513			(4	)		5,509
Total operating expenses		46,733			99			46,832
Operating loss		(11,025	)		(907	)		(11,932	)
Financial income, net		469			-			469
Loss before income taxes		(10,556	)		(907	)		(11,463	)
Income taxes		(323	)		123			(200	)
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)

	December 31, 2017 Balance Sheet Data
	As Reported			Adjustments			As Adjusted
Assets
Current assets:
Prepaid expenses and other current assets	$	7,130		$	7,216		$	14,346
Long-term assets:
Other assets	$	973		$	6,270		$	7,243
Liabilities and stockholders’ equity
Current liabilities:
Deferred revenues	$	73,891		$	(398	)	$	73,493
Long-term liabilities:
Deferred revenues	$	7,034		$	(426	)	$	6,608
Other liabilities	$	6,561		$	1,246		$	7,807
Stockholders’ equity:
Accumulated deficit	$	(122,454	)	$	13,064		$	(109,390	)

	Statement of Cash Flows Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
Cash flows from operating activities
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)
Amortization of deferred commissions	$	-		$	3,027		$	3,027
Deferred commissions	$	-		$	(2,906	)	$	(2,906	)
Deferred revenues	$	(3,203	)	$	786		$	(2,417	)
Other long term liabilities	$	(418	)	$	(123	)	$	(541	)
Net cash provided by operating activities	$	8,297		$	-		$	8,297

Revenue Recognition, Policy [Policy Text Block]

c. Revenue Recognition:

The Company generates revenues in the form of software license fees and related maintenance and services fees. License fees include perpetual license fees and term license fees which provide customers with the same functionality and differ mainly in the duration over which the customer benefits from the software. Maintenance and services primarily consist of fees for maintenance services (including support and unspecified upgrades and enhancements when and if they are available) and to a lesser extent professional services which focus on both deployment and training the Company’s customers to fully leverage the use of its products although the user can benefit from the software without the Company’s assistance. The Company sells its products worldwide directly to a network of distributors and VARs, and payment is typically due within

30

to

90

calendar days of the date the Company issues an invoice.

The Company recognizes revenues in accordance with ASC

No.

606,

“Revenue from Contracts with Customers”. As such, the Company identifies a contract with a customer, identifies the performance obligations in the contract, determines the transaction price, allocates the transaction price to each performance obligation in the contract and recognizes revenues when (or as) the Company satisfies a performance obligation.

Software license revenues are recognized at the point of time when the software license has been delivered.

The Company recognizes revenues from maintenance ratably over the term of the underlying maintenance contract term. The term of the maintenance contract is usually

one

year. Renewals of maintenance contracts create new performance obligations that are satisfied over the term with the revenues recognized ratably over the term.

Revenues from professional services consists mostly of time and material services. The performance obligations are satisfied, and revenues are recognized, when the services are provided or when the service term has expired.

In contracts with multiple performance obligations, the Company accounts for individual performance obligations separately if they are distinct. The Company allocates the transaction price to each performance obligation based on its relative standalone selling price out of total consideration of the contract. For maintenance and support, the Company determines the standalone selling price based on the price at which the Company separately sells a renewal contract. The Company determines the standalone selling price for sales of licenses using the residual approach. For professional services, the Company determines the standalone selling prices based on the price at which the Company separately sells those services.

Trade and other receivables are primarily comprised of trade receivables that are recorded at the invoice amount, net of an allowance for doubtful accounts.

Deferred revenues represent mostly unrecognized fees billed or collected for maintenance and professional services. Deferred revenues are recognized as (or when) the Company performs under the contract. The amount of revenues recognized in the period that was included in the opening deferred revenues balance was

$27,952

for the

three

months ended

March 

31,

2018.

The Company does

not

grant a right of return to its customers, except for

one

of its resellers. In

2017

and for the

three

months ended

March 31, 2018,

there were

no

returns from this reseller.

The Company pays commissions to sales and marketing and certain management personnel based on their attainment of certain predetermined sales goals. Sales commissions are considered incremental costs of obtaining a contract with a customer and are deferred and amortized. The Company is required to capitalize and amortize incremental costs of obtaining a contract, such as certain sales commission costs, over the remaining contractual term or over an expected period of benefit, which the Company has determined to be approximately

four

years. Amortization expenses related to these costs are included in sales and marketing expenses in the accompanying consolidated statements of operations.

For information regarding disaggregated revenues, please refer to note

5.

Derivatives, Policy [Policy Text Block]

d. Derivative Instruments:

The Company’s primary objective for holding derivative instruments is to reduce its exposure to foreign currency rate changes. The Company reduces its exposure by entering into forward foreign exchange contracts with respect to operating expenses that are forecast to be incurred in currencies other than the U.S. dollar. A majority of the Company’s revenues and operating expenditures are transacted in U.S. dollars. However, certain operating expenditures are incurred in or exposed to other currencies, primarily the New Israeli Shekel (“NIS”).

The Company has established forecasted transaction currency risk management programs to protect against fluctuations in fair value and the volatility of future cash flows caused by changes in exchange rates. The Company’s currency risk management program includes forward foreign exchange contracts designated as cash flow hedges. These forward foreign exchange contracts generally mature within

12

months. The Company does

not

enter into derivative financial instruments for trading purposes.

Derivative instruments measured at fair value and their classification on the consolidated balance sheets are presented in the following table (in thousands):

	Liabilities as of March 31, 2018 (unaudited)					Assets as of December 31, 2017
	Notional Amount		Fair Value			Notional Amount		Fair Value
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other short term liabilities	$	44,348	$	(2,029	)	$	1,746	$	163

For the

three

months ended

March 31, 2018

and

2017,

the unaudited consolidated statements of operations reflect a gain of approximately

$48

and

$265,

respectively, related to the effective portion of foreign currency forward contracts.

Any

ineffective portion of foreign currency forward contracts is recognized in financial income (expense), net in the unaudited consolidated statement of operations.

No

material ineffective hedges were recognized in other income (expenses) for the

three

months ended

March 31, 2018

and

2017.

Cash, Cash Equivalents and Short-term Investments, Policy [Policy Text Block]

e. Cash, Cash Equivalents and Short-Term Investments:    

The Company accounts for investments in marketable securities in accordance with ASC

No.

 

320,

“Investments—Debt and Equity Securities”. The Company considers all highly liquid investments with a maturity of

three

months or less when purchased to be cash equivalents. Cash and cash equivalents consist of cash on hand, highly liquid investments in money market funds and various deposit accounts.

The Company considers all high quality investments purchased with original maturities at the date of purchase greater than

three

months to be short-term investments. Investments are available to be used for current operations and are, therefore, classified as current assets even though maturities

may

extend beyond

one

year. Cash equivalents and short-term investments are classified as available for sale and are, therefore, recorded at fair value on the consolidated balance sheet, with any unrealized gains and losses reported in accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s consolidated balance sheets, until realized. The Company uses the specific identification method to compute gains and losses on the investments. The amortized cost of securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization and accretion is included as a component of financial income, net in the consolidated statement of operations. Cash, cash equivalents and short-term investments consist of the following (in thousands):

	As of March 31, 2018 (unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	61,749	$	-	$	-		$	61,749
Money market funds		9,029		-		-			9,029
Total	$	70,778	$	-	$	-		$	70,778
Short-term investments
US Treasury securities	$	37,751	$	-	$	(34	)	$	37,717
Term bank deposits		45,175		-		-			45,175
Total	$	82,926	$	-	$	(34	)	$	82,892

All the US Treasury securities in short-term investments have a stated effective maturity of less than

12

months as of

March 31, 2018.

	As of December 31, 2017
	Amortized Cost		Gross Unrealized Gains			Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	49,819	$	-		$	-		$	49,819
Money market funds		6,870		-			-			6,870
Total	$	56,689	$	-		$	-		$	56,689
Short-term investments
US Treasury securities	$	39,758		*	)		(27	)	$	39,731
Term bank deposits		40,137		-			-			40,137
Total	$	79,895	$	*	)	$	(27	)	$	79,868

*) Represents an amount lower than

$1

The gross unrealized loss related to these short-term investments was due primarily to changes in interest rates. The Company reviews its short-term investments on a regular basis to evaluate whether or

not

any security has experienced an other than temporary decline in fair value. The Company considers factors such as length of time and extent to which the market value has been less than the cost, the financial condition and near-term prospects of the issuer and its intent to sell, or whether it is more likely than

not

the Company will be required to sell the investment before recovery of the investment’s amortized cost basis. If the Company believes that an other than temporary decline exists in

one

of these securities, the Company writes down these investments to fair value. For debt securities, the portion of the write-down related to credit loss would be recorded to other income (expense), net in the Company’s consolidated statements of operations. Any portion

not

related to credit loss would be recorded to accumulated other comprehensive income (loss), which is reflected as a separate component of stockholders’ equity in the Company’s condensed consolidated balance sheets. During the

three

months ended

March 31, 2018,

the Company did

not

consider any of its investments to be other-than-temporarily impaired.

Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]

f. Restricted Cash:

In

November 2016,

the Financial Accounting Standards Board (the “FASB”) issued ASU

2016

-

18,

“Statement of Cash Flows (Topic

230

): Restricted Cash”, which requires companies to include amounts generally described as restricted cash and restricted cash equivalents in cash and cash equivalents when reconciling beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU

2016

-

18

is effective for annual and interim periods beginning after

December 15, 2017.

The Company adopted this standard effective

December 31, 2017

using the retrospective transition method, as required by the new standard. The adoption of this standard had an immaterial impact on the Company’s consolidated statements of cash flows.

The following table provides a reconciliation of cash and cash equivalents, and long term restricted cash reported within the consolidated balance sheets that sum to the total of such amounts in the consolidated statements of cash flows:

	March 31, 2018		March 31, 2017
Cash and cash equivalents	$	70,778	$	51,070
Long term restricted cash included in other assets		546		517
Cash, cash equivalents and long term restricted cash shown in the consolidated statement of cash flows	$	71,324	$	51,587

New Accounting Pronouncements, Policy [Policy Text Block]

g. Recently Issued Accounting Pronouncements:

In

January 2016,

the FASB issued ASU

2016

-

13,

“Financial Instruments – Credit Losses on Financial Instruments”, which requires that expected credit losses relating to financial assets measured on an amortized cost basis and available for sale debt securities be recorded through an allowance for credit losses. ASU

2016

-

13

limits the amount of credit losses to be recognized for available for sale debt securities to the amount by which carrying value exceeds fair value and also requires the reversal of previously recognized credit losses if fair value increases. The new standard will be effective for interim and annual periods beginning after

January 1, 2020,

and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect on its consolidated financial statements.

In

February 2016,

the FASB issued ASU

2016

-

02,

“Leases”, on the recognition, measurement, presentation and disclosure of leases for both parties to a contract (i.e., lessees and lessors). The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or

not

the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight line basis over the term of the lease, respectively. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than

12

months regardless of their classification. Leases with a term of

12

months or less will be accounted for in a manner similar to the accounting under existing guidance for operating leases today. The new standard requires lessors to account for leases using an approach that is substantially equivalent to existing guidance for sales-type leases, direct financing leases and operating leases. The new standard supersedes the previous leases standard, ASC

840,

"Leases". The guidance is effective for the interim and annual periods beginning on or after

December 

15,

2018,

and early adoption is permitted. The Company is currently evaluating whether to early adopt this standard and the potential effect of the guidance on its consolidated financial statements.

In

January 2018,

the FASB released guidance on the accounting for tax on the global intangible low-taxed income (“GILTI”) provisions of the Tax Cuts and Jobs Act (“TCJA”). The GILTI provisions impose a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations. The guidance indicates that either (i) accounting for deferred taxes related to GILTI inclusions, or (ii) treating any taxes on GILTI inclusions as period cost, are both acceptable methods subject to an accounting policy election. In accordance with SEC Staff Accounting Bulletin

No.

 

118,

and as the Company is

not

yet able to reasonably estimate the effect of the GILTI tax, as described in note

9

of the Company’s

2017

consolidated financial statements included in the

2017

Form

10

-K, the Company has

not

yet adopted an accounting policy with respect to the GILTI tax.

XML

Note 1 - General (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
License revenues	$	19,155		$	(1,063	)	$	18,092
Maintenance and service revenues		21,225			276			21,501
Total revenues		40,380			(787	)		39,593
Cost of revenues		4,672			21			4,693
Gross profit		35,708			(808	)		34,900
Operating costs and expenses:
Research and development		10,409			-			10,409
Sales and marketing		30,811			103			30,914
General and administrative		5,513			(4	)		5,509
Total operating expenses		46,733			99			46,832
Operating loss		(11,025	)		(907	)		(11,932	)
Financial income, net		469			-			469
Loss before income taxes		(10,556	)		(907	)		(11,463	)
Income taxes		(323	)		123			(200	)
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)

	December 31, 2017 Balance Sheet Data
	As Reported			Adjustments			As Adjusted
Assets
Current assets:
Prepaid expenses and other current assets	$	7,130		$	7,216		$	14,346
Long-term assets:
Other assets	$	973		$	6,270		$	7,243
Liabilities and stockholders’ equity
Current liabilities:
Deferred revenues	$	73,891		$	(398	)	$	73,493
Long-term liabilities:
Deferred revenues	$	7,034		$	(426	)	$	6,608
Other liabilities	$	6,561		$	1,246		$	7,807
Stockholders’ equity:
Accumulated deficit	$	(122,454	)	$	13,064		$	(109,390	)

	Statement of Cash Flows Three Month Ended March 31, 2017
	As Reported			Adjustments			As Adjusted
Cash flows from operating activities
Net loss	$	(10,879	)	$	(784	)	$	(11,663	)
Amortization of deferred commissions	$	-		$	3,027		$	3,027
Deferred commissions	$	-		$	(2,906	)	$	(2,906	)
Deferred revenues	$	(3,203	)	$	786		$	(2,417	)
Other long term liabilities	$	(418	)	$	(123	)	$	(541	)
Net cash provided by operating activities	$	8,297		$	-		$	8,297

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

	Liabilities as of March 31, 2018 (unaudited)					Assets as of December 31, 2017
	Notional Amount		Fair Value			Notional Amount		Fair Value
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other short term liabilities	$	44,348	$	(2,029	)	$	1,746	$	163

Cash, Cash Equivalents and Investments [Table Text Block]

	As of March 31, 2018 (unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	61,749	$	-	$	-		$	61,749
Money market funds		9,029		-		-			9,029
Total	$	70,778	$	-	$	-		$	70,778
Short-term investments
US Treasury securities	$	37,751	$	-	$	(34	)	$	37,717
Term bank deposits		45,175		-		-			45,175
Total	$	82,926	$	-	$	(34	)	$	82,892

	As of December 31, 2017
	Amortized Cost		Gross Unrealized Gains			Gross Unrealized   Loss			Fair Value
Cash and cash equivalents
Cash	$	49,819	$	-		$	-		$	49,819
Money market funds		6,870		-			-			6,870
Total	$	56,689	$	-		$	-		$	56,689
Short-term investments
US Treasury securities	$	39,758		*	)		(27	)	$	39,731
Term bank deposits		40,137		-			-			40,137
Total	$	79,895	$	*	)	$	(27	)	$	79,868

Schedule of Cash and Cash Equivalents [Table Text Block]

	March 31, 2018		March 31, 2017
Cash and cash equivalents	$	70,778	$	51,070
Long term restricted cash included in other assets		546		517
Cash, cash equivalents and long term restricted cash shown in the consolidated statement of cash flows	$	71,324	$	51,587

XML

Note 2 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	As of March 31, 2018 (unaudited)										As of December 31, 2017
	Level I		Level II			Level III		Fair Value			Level I		Level II		Level III		Fair Value
Financial assets:
Cash equivalents:
Money market funds		9,029		–			–		9,029			6,870		–		–		6,870
Short-term investments:
US Treasury securities		37,717		–			–		37,717			39,731		–		–		39,731
Term bank deposits		45,175		–			–		45,175			40,137		–		–		40,137
Other current assets:
Forward foreign exchange contracts		–		–			–		–			–		163		–		163
Financial liabilities:
Forward foreign exchange contracts		–		(2,029	)		–		(2,029	)		–		–		–		–
Total financial assets (liabilities)	$	91,921	$	(2,029	)	$	–	$	89,892		$	86,738	$	163	$	–	$	86,901

XML

Note 3 - Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	(unaudited)
2018	$	4,733
2019		5,455
2020		4,669
2021		5,025
2022		5,064
Thereafter		21,960
	$	46,906

XML

Note 4 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Three Months Ended March 31, 2018 (unaudited)
	Number			Weighted average exercise price		Aggregate intrinsic value (in thousands)		Weighted average remaining contractual life (years)
Options outstanding as of January 1, 2018		1,456,285		$	16.172	$	47,152		4.906
Granted		-		$	-
Exercised		(203,474	)	$	17.596
Forfeited		(1,234	)	$	22.070
Options outstanding as of March 31, 2018		1,251,577		$	15.935	$	55,777		4.622
Options exercisable at the end of the period		1,122,468		$	15.151	$	50,903		4.367

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Range of exercise price			Options outstanding as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price		Options exercisable as of March 31, 2018		Weighted average remaining contractual life (years)		Weighted average exercise price of options exercisable
$1.039	-	1.576		361,725		1.090	$	1.275		361,725		1.090	$	1.275
$6.230	-	8.800		28,656		3.776	$	7.174		28,656		3.776	$	7.174
$12.470	-	16.870		204,001		5.534	$	13.387		180,041		5.220	$	12.923
$19.510	-	21.660		328,024		6.375	$	21.205		266,979		6.341	$	21.201
$22.010	-	24.230		148,740		6.047	$	22.297		138,475		6.042	$	22.318
	$29.880			92,028		6.899	$	29.880		58,189		6.899	$	29.880
	$39.860			88,403		5.978	$	39.860		88,403		5.978	$	39.860
				1,251,577		4.622	$	15.935		1,122,468		4.367	$	15.151

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

	Options for shares of common stock		Exercise price per share		Options exercisable		Exercisable through
	(number)				(number)
February 2013		1,500	$	12.470		1,500	February 2023
August 2013		4,188	$	21.140		4,188	August 2023
March 2014		7,844	$	39.860		7,844	March 2024
May 2014		5,991	$	22.010		5,690	May 2024
November 2014		7,032	$	21.660		5,428	November 2024
May 2015		1,312	$	19.510		730	May 2025
February 2016		2,250	$	16.870		1,050	February 2026
		30,117				26,430

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Number of shares underlying outstanding restricted stock units			Weighted- average grant date fair value
Unvested balance - January 1, 2018		2,018,121		$	27.32
Granted		1,061,150		$	51.95
Vested		(408,615	)	$	24.91
Forfeited		(19,900	)	$	32.66
Unvested balance – March 31, 2018		2,650,756		$	37.51

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three Months Ended March 31,
	2018		2017
	(unaudited)
	(in thousands)
Cost of revenues	$	362	$	227
Research and development		2,105		1,130
Sales and marketing		3,101		2,059
General and administrative		1,359		988
Total	$	6,927	$	4,404

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Note 5 - Geographic Information and Major Customer and Product Data (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

	Three Months Ended March 31,
	2018		2017
	(unaudited)		(as adjusted)
	(in thousands)
Revenues based on customer’s location:
North America	$	31,620	$	25,437
EMEA (*)		20,347		12,695
Rest of World		1,561		1,461
Total revenues	$	53,528	$	39,593

Long-lived Assets by Geographic Areas [Table Text Block]

	March 31, 2018		December 31, 2017
	(unaudited)
	(in thousands)
Long-lived assets by geographic region:
United States	$	7,096	$	7,072
Israel		3,166		2,944
France		1,357		1,426
Other		561		454
	$	12,180	$	11,896

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Note 1 - General (Details Textual) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Operations Commenced Date	Jan. 01, 2005
Subsidiary or Equity Method Investee, Number	8
Entity Incorporation, Date of Incorporation	Nov. 24, 2004
Revenue from Contract with Customer, Including Assessed Tax	$ 53,528	$ 39,593
Deferred Revenue, Current	68,481		$ 73,493
Deferred Revenue, Noncurrent	6,247		6,608
Contract with Customer, Liability, Revenue Recognized	27,952
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total	$ 0
Short-term Investments [Member] | US Treasury Securities [Member] | Maximum [Member]
Short-term Investment, Maturity Period	1 year
Foreign Exchange Contract [Member]
Derivative, Gain (Loss) on Derivative, Net, Total	$ 48	265
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net, Total	0	0
Accounting Standards Update 2014-09 [Member] | As of December 31, 2017 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	$ 13,064
Accounting Standards Update 2014-09 [Member] | Restatement Adjustment [Member]
Revenue from Contract with Customer, Including Assessed Tax		$ (787)	(1,974)
Deferred Sales Commission			13,486
Deferred Revenue, Current			(398)
Deferred Revenue, Noncurrent			(426)
Deferred Tax Liabilities, Net, Noncurrent			$ 1,246

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Note 1 - General - Recast Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
License revenues	$ 53,528	$ 39,593
Cost of revenues	6,442	4,693
Gross profit	47,086	34,900
Research and development	15,542	10,409
Sales and marketing	39,972	30,914
General and administrative	7,069	5,509
Total operating expenses	62,583	46,832
Operating loss	(15,497)	(11,932)
Financial income, net	978	469
Loss before income taxes	(14,519)	(11,463)
Income taxes	(527)	(200)
Net loss	(15,046)	(11,663)
Prepaid expenses and other current assets	18,933		$ 14,346
Other assets	7,674		7,243
Deferred Revenue, Current	68,481		73,493
Deferred Revenue, Noncurrent	6,247		6,608
Other liabilities	8,045		7,807
Accumulated deficit	(124,437)		(109,390)
Amortization of deferred commissions	3,325	3,027
Deferred commissions	(2,434)	(2,906)
Deferred revenues	(5,373)	(2,417)
Other long term liabilities	237	(541)
Net cash provided by operating activities	17,444	8,297
Previously Reported [Member]
License revenues		40,380
Cost of revenues		4,672
Gross profit		35,708
Research and development		10,409
Sales and marketing		30,811
General and administrative		5,513
Total operating expenses		46,733
Operating loss		(11,025)
Financial income, net		469
Loss before income taxes		(10,556)
Income taxes		(323)
Net loss		(10,879)
Prepaid expenses and other current assets			7,130
Other assets			973
Deferred Revenue, Current			73,891
Deferred Revenue, Noncurrent			7,034
Other liabilities			6,561
Accumulated deficit			(122,454)
Amortization of deferred commissions
Deferred commissions
Deferred revenues		(3,203)
Other long term liabilities		(418)
Net cash provided by operating activities		8,297
Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]
License revenues		(787)	(1,974)
Cost of revenues		21
Gross profit		(808)
Research and development
Sales and marketing		103
General and administrative		(4)
Total operating expenses		99
Operating loss		(907)
Financial income, net
Loss before income taxes		(907)
Income taxes		123
Net loss		(784)
Prepaid expenses and other current assets			7,216
Other assets			6,270
Deferred Revenue, Current			(398)
Deferred Revenue, Noncurrent			(426)
Other liabilities			1,246
Accumulated deficit			$ 13,064
Amortization of deferred commissions		3,027
Deferred commissions		(2,906)
Deferred revenues		786
Other long term liabilities		(123)
Net cash provided by operating activities
License [Member]
License revenues	25,074	18,092
License [Member] | Previously Reported [Member]
License revenues		19,155
License [Member] | Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]
License revenues		(1,063)
Maintenance [Member]
License revenues	$ 28,454	21,501
Maintenance [Member] | Previously Reported [Member]
License revenues		21,225
Maintenance [Member] | Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]
License revenues		$ 276

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Note 1 - General - Derivative Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Notional amount	$ 44,348	$ 1,746
Derivative liabilities, fair value	$ (2,029)
Derivative assets, fair value		$ 163

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Note 1 - General - Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Cash and Cash Equivalents [Member]
Amortized cost	$ 70,778	$ 56,689
Gross unrealized gains
Gross unrealized losses
Fair value	70,778	56,689
Short-term investments
Amortized cost	70,778	56,689
Gross unrealized gains
Gross unrealized losses
Fair value	70,778	56,689
Cash and Cash Equivalents [Member] | Cash [Member]
Amortized cost	61,749	49,819
Gross unrealized gains
Gross unrealized losses
Fair value	61,749	49,819
Short-term investments
Amortized cost	61,749	49,819
Gross unrealized gains
Gross unrealized losses
Fair value	61,749	49,819
Cash and Cash Equivalents [Member] | Money Market Funds [Member]
Amortized cost	9,029	6,870
Gross unrealized gains
Gross unrealized losses
Fair value	9,029	6,870
Short-term investments
Amortized cost	9,029	6,870
Gross unrealized gains
Gross unrealized losses
Fair value	9,029	6,870
Cash and Cash Equivalents [Member] | US Treasury Securities Included in Cash and Cash Equivalents [Member]
Amortized cost	37,751	39,758
Gross unrealized gains
Gross unrealized losses	(34)	(27)
Fair value	37,717	39,731
Short-term investments
Amortized cost	37,751	39,758
Gross unrealized gains
Gross unrealized losses	(34)	(27)
Fair value	37,717	39,731
Short-term Investments [Member]
Amortized cost	82,926	79,895
Gross unrealized gains
Gross unrealized losses	(34)	(27)
Fair value	82,892	79,868
Short-term investments
Amortized cost	82,926	79,895
Gross unrealized gains
Gross unrealized losses	(34)	(27)
Fair value	82,892	79,868
Short-term Investments [Member] | Term Bank Deposits [Member]
Amortized cost	45,175	40,137
Gross unrealized gains
Gross unrealized losses
Fair value	45,175	40,137
Short-term investments
Amortized cost	45,175	40,137
Gross unrealized gains
Gross unrealized losses
Fair value	$ 45,175	$ 40,137

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Note 1 - General - Cash and Cash Equivalents, and Long Term Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Cash and cash equivalents	$ 70,778	$ 56,689	$ 51,070
Long term restricted cash included in other assets	546		517
Cash, cash equivalents and long term restricted cash shown in the consolidated statement of cash flows	$ 71,324		$ 51,587

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Note 2 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Total financial assets (liabilities)		$ 86,738
Foreign Exchange Forward [Member]
Derivative assets
Derivative liabilities
Money Market Funds [Member]
Cash equivalents		6,870
US Treasury Securities Included in Cash and Cash Equivalents [Member]
Cash equivalents		39,731
Term Bank Deposits [Member]
Cash equivalents		40,137
Fair Value, Inputs, Level 1 [Member]
Total financial assets (liabilities)	$ 91,921	163
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Forward [Member]
Derivative assets		163
Derivative liabilities
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Cash equivalents	9,029
Fair Value, Inputs, Level 1 [Member] | US Treasury Securities Included in Cash and Cash Equivalents [Member]
Cash equivalents	37,717
Fair Value, Inputs, Level 1 [Member] | Term Bank Deposits [Member]
Cash equivalents	45,175
Fair Value, Inputs, Level 2 [Member]
Total financial assets (liabilities)	(2,029)	86,901
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward [Member]
Derivative assets		163
Derivative liabilities	(2,029)
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Cash equivalents		6,870
Fair Value, Inputs, Level 2 [Member] | US Treasury Securities Included in Cash and Cash Equivalents [Member]
Cash equivalents		39,731
Fair Value, Inputs, Level 2 [Member] | Term Bank Deposits [Member]
Cash equivalents		$ 40,137
Fair Value, Inputs, Level 3 [Member]
Total financial assets (liabilities)	89,892
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Forward [Member]
Derivative assets
Derivative liabilities	(2,029)
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Cash equivalents	9,029
Fair Value, Inputs, Level 3 [Member] | US Treasury Securities Included in Cash and Cash Equivalents [Member]
Cash equivalents	37,717
Fair Value, Inputs, Level 3 [Member] | Term Bank Deposits [Member]
Cash equivalents	$ 45,175

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Note 3 - Commitments and Contingent Liabilities (Details Textual) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2018	Dec. 31, 2017
Operating Leases, Rent Expense, Total		$ 980	$ 883
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals		$ 532
Promissory Note [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 7,000
Debt Instrument, Basis Spread on Variable Rate	0.15%
Line of Credit Facility, Interest Rate at Period End		4.60%
Long-term Line of Credit, Total		$ 0
Promissory Note [Member] | Minimum [Member]
Debt Instrument, Interest Rate, Effective Percentage		4.10%

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Note 3 - Commitments and Contingent Liabilities - Aggregate Minimum Rental Commitments Under Non-cancelable Leases (Details) $ in Thousands	Mar. 31, 2018 USD ($)
2018	$ 4,733
2019	5,455
2020	4,669
2021	5,025
2022	5,064
Thereafter	21,960
	$ 46,906

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Note 4 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands						3 Months Ended		12 Months Ended	51 Months Ended
	Jan. 01, 2018	Jan. 01, 2017	Jan. 01, 2016	Jun. 30, 2015	Nov. 14, 2013	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2013	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Common Stock, Capital Shares Reserved for Future Issuance, Annual Increase, Maximum	1,125,846	1,072,870	1,042,766
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value						$ 7,824
Restricted Stock Units and Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount						3,932,450	4,339,384
Employee Stock Option [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total						$ 1,366			$ 1,366
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						286 days
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total						$ 93,961			$ 93,961
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						3 years 46 days
The 2005 Stock Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance								4,713,319
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period								4 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross									0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant						0			0
The 2013 Omnibus Equity Award Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance					1,904,633
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Reserved for Grant					4.00%
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum					5.00%
The 2013 Omnibus Equity Award Plan [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					4 years
2015 ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate				15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent				85.00%
Percent of Shares Increase, Employee Stock Purchase Plan				1.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized				500,000
Common Stock Availability Threshold, Employee Stock Purchase Plan				2.00%
Shares Increase Threshold, Employee Stock Purchase Plan				400,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	188,813	158,695	21,383

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Note 4 - Stockholders' Equity - Stock Options Activities (Details) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares
Options outstanding, Balance (in shares) | shares	1,456,285
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 16.172
Options outstanding, aggregate intrinsic value | $	$ 55,777	$ 47,152
Options outstanding, weighted average remaining contractual life (Year)	4 years 227 days	4 years 330 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares
Granted, weighted average exercise price (in dollars per share) | $ / shares
Exercised (in shares) | shares	(203,474)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 17.596
Forfeited (in shares) | shares	(1,234)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 22.07
Options outstanding, Balance (in shares) | shares	1,251,577	1,456,285
Options outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 15.935	$ 16.172
Options exercisable at the end of the year (in shares) | shares	1,122,468
Options exercisable at the end of the year, weighted average exercise price (in dollars per share) | $ / shares	$ 15.151
Options exercisable at the end of the year, aggregate intrinsic value | $	$ 50,903
Options exercisable at the end of the year, weighted average remaining contractual life (Year)	4 years 133 days

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Note 4 - Stockholders' Equity - Options Outstanding Separated Into Range of Exercise Price (Details)	3 Months Ended
	Mar. 31, 2018 $ / shares shares
Options outstanding (in shares) | shares	1,251,577
Weighted average remaining contractual life (Year)	4 years 227 days
Weighted average exercise price (in dollars per share)	$ 15.935
Options exercisable (in shares) | shares	1,122,468
Weighted average remaining contractual life, exercisable (Year)	4 years 133 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 15.151
Range One [Member]
Lower range of exercise price (in dollars per share)	1.039
Upper range of exercise price (in dollars per share)	$ 1.576
Options outstanding (in shares) | shares	361,725
Weighted average remaining contractual life (Year)	1 year 32 days
Weighted average exercise price (in dollars per share)	$ 1.275
Options exercisable (in shares) | shares	361,725
Weighted average remaining contractual life, exercisable (Year)	1 year 32 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 1.275
Range Two [Member]
Lower range of exercise price (in dollars per share)	6.23
Upper range of exercise price (in dollars per share)	$ 8.80
Options outstanding (in shares) | shares	28,656
Weighted average remaining contractual life (Year)	3 years 283 days
Weighted average exercise price (in dollars per share)	$ 7.174
Options exercisable (in shares) | shares	28,656
Weighted average remaining contractual life, exercisable (Year)	3 years 283 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 7.174
Range Three [Member]
Lower range of exercise price (in dollars per share)	12.47
Upper range of exercise price (in dollars per share)	$ 16.87
Options outstanding (in shares) | shares	204,001
Weighted average remaining contractual life (Year)	5 years 194 days
Weighted average exercise price (in dollars per share)	$ 13.387
Options exercisable (in shares) | shares	180,041
Weighted average remaining contractual life, exercisable (Year)	5 years 80 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 12.923
Range Four [Member]
Lower range of exercise price (in dollars per share)	19.51
Upper range of exercise price (in dollars per share)	$ 21.66
Options outstanding (in shares) | shares	328,024
Weighted average remaining contractual life (Year)	6 years 136 days
Weighted average exercise price (in dollars per share)	$ 21.205
Options exercisable (in shares) | shares	266,979
Weighted average remaining contractual life, exercisable (Year)	6 years 124 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 21.201
Range Five [Member]
Lower range of exercise price (in dollars per share)	22.01
Upper range of exercise price (in dollars per share)	$ 24.23
Options outstanding (in shares) | shares	148,740
Weighted average remaining contractual life (Year)	6 years 17 days
Weighted average exercise price (in dollars per share)	$ 22.297
Options exercisable (in shares) | shares	138,475
Weighted average remaining contractual life, exercisable (Year)	6 years 15 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 22.318
Range Six [Member]
Options outstanding (in shares) | shares	92,028
Weighted average remaining contractual life (Year)	6 years 328 days
Weighted average exercise price (in dollars per share)	$ 29.88
Options exercisable (in shares) | shares	58,189
Weighted average remaining contractual life, exercisable (Year)	6 years 328 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 29.88
Range Seven [Member]
Options outstanding (in shares) | shares	88,403
Weighted average remaining contractual life (Year)	5 years 356 days
Weighted average exercise price (in dollars per share)	$ 39.86
Options exercisable (in shares) | shares	88,403
Weighted average remaining contractual life, exercisable (Year)	5 years 356 days
Weighted average exercise price of options exercisable (in dollars per share)	$ 39.86

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Note 4 - Stockholders' Equity - Outstanding Options Granted to Consultants for Sales and Pre-marketing Services (Details)	3 Months Ended
	Mar. 31, 2018 $ / shares shares
Granted, weighted average exercise price (in dollars per share) | $ / shares
Options exercisable at the end of the year (in shares)	1,122,468
Consultants [Member]
Options for shares of common stock (in shares)	30,117
Granted, weighted average exercise price (in dollars per share) | $ / shares
Options exercisable at the end of the year (in shares)	26,430
Exercisable through
February 2013 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	1,500
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 12.47
Options exercisable at the end of the year (in shares)	1,500
Exercisable through	February 2023
August 2013 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	4,188
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 21.14
Options exercisable at the end of the year (in shares)	4,188
Exercisable through	August 2023
March 2014 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	7,844
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 39.86
Options exercisable at the end of the year (in shares)	7,844
Exercisable through	March 2024
May 2014 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	5,991
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 22.01
Options exercisable at the end of the year (in shares)	5,690
Exercisable through	May 2024
November 2014 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	7,032
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 21.66
Options exercisable at the end of the year (in shares)	5,428
Exercisable through	November 2024
May 2015 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	1,312
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 19.51
Options exercisable at the end of the year (in shares)	730
Exercisable through	May 2025
February 2016 [Member] | Consultants [Member]
Options for shares of common stock (in shares)	2,250
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 16.87
Options exercisable at the end of the year (in shares)	1,050
Exercisable through	February 2026

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Note 4 - Stockholders' Equity - Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) [Member]	3 Months Ended
	Mar. 31, 2018 $ / shares shares
Balance, restricted stock units (in shares) | shares	2,018,121
Balance, weighted average grant date fair value on restricted stock units (in dollars per share) | $ / shares	$ 27.32
Granted, restricted stock units (in shares) | shares	1,061,150
Granted, weighted average grant date fair value on restricted stock units (in dollars per share) | $ / shares	$ 51.95
Vested, restricted stock units (in shares) | shares	(408,615)
Vested, weighted average grant date fair value on restricted stock units (in dollars per share) | $ / shares	$ 24.91
Forfeited, restricted stock units (in shares) | shares	(19,900)
Forfeited, weighted average grant date fair value on restricted stock units (in dollars per share) | $ / shares	$ 32.66
Balance, restricted stock units (in shares) | shares	2,650,756
Balance, weighted average grant date fair value on restricted stock units (in dollars per share) | $ / shares	$ 37.51

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Note 4 - Stockholders' Equity - Non-cash Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Stock-based compensation	$ 6,927	$ 4,404
Cost of Sales [Member]
Stock-based compensation	362	227
Research and Development Expense [Member]
Stock-based compensation	2,105	1,130
Selling and Marketing Expense [Member]
Stock-based compensation	3,101	2,059
General and Administrative Expense [Member]
Stock-based compensation	$ 1,359	$ 988

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Note 5 - Geographic Information and Major Customer and Product Data (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)
Number of Reportable Segments	1
Revenues, Total	$ 53,528	$ 39,593
UNITED KINGDOM
Revenues, Total	5,694	$ 4,077
FRANCE
Revenues, Total	$ 6,754

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Note 5 - Geographic Information and Major Customer and Product Data - Revenues Within Geographical Areas (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
North America		$ 53,528	$ 39,593
UNITED STATES
North America		31,620	25,437
EMEA [Member]
North America	[1]	20,347	12,695
Rest of World [Member]
North America		$ 1,561	$ 1,461

[1] Sales to customers in the UK accounted for $5,694 and $4,389 of the Company's revenues for the three months ended March 31, 2018 and 2017, respectively. Sales to customers in France accounted for $6,754 of the Company's revenues for the three months ended March 31, 2018. Sales to customers in France did not exceed 10% for the three months ended March 31, 2017.

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Note 5 - Geographic Information and Major Customer and Product Data - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Long-lived assets	$ 12,180	$ 11,896
UNITED STATES
Long-lived assets	7,096	7,072
ISRAEL
Long-lived assets	3,166	2,944
FRANCE
Long-lived assets	1,357	1,426
Other [Member]
Long-lived assets	$ 561	$ 454