10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended September 30, 2018

OR

o 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: 001-15169

PERFICIENT, INC.

(Exact name of registrant as specified in its charter)

Delaware	No. 74-2853258
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

555 Maryville University Drive

Suite 600

Saint Louis, Missouri 63141

(Address of principal executive offices)

(314) 529-3600

(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 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 during the past 90 days.  þ Yes o No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files). þ Yes o 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 definition of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	þ	Accelerated filer	☐
Non-accelerated filer	☐	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 o No þ

As of October 25, 2018 there were 33,181,786shares of Common Stock outstanding.

TABLE OF CONTENTS

Part I.	Financial Information	1
Item 1.	Financial Statements	2
	Condensed Consolidated Balance Sheets as of September 30, 2018 (unaudited) and December 31, 2017	2
	Unaudited Condensed Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2018 and 2017	3
	Unaudited Condensed Consolidated Statements of Comprehensive Income for the Three and Nine Months Ended September 30, 2018 and 2017	4
	Unaudited Condensed Consolidated Statement of Stockholders' Equity for the Nine Months Ended September 30, 2018	5
	Unaudited Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2018 and 2017	6
	Notes to Interim Unaudited Condensed Consolidated Financial Statements	8
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	30
Item 4.	Controls and Procedures	31
Part II.	Other Information	32
Item 1A.	Risk Factors	32
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	33
Item 5.	Other Information	34
Item 6.	Exhibits	35
	Signatures	36

PART I. FINANCIAL INFORMATION

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

Certain statements contained in this Quarterly Report on this Form 10-Q (“Form 10-Q”) are not purely historical statements and discuss future expectations, contain projections of results of operations or financial condition, or state other forward-looking information. Those statements are subject to known and unknown risks, uncertainties, and other factors that could cause the actual results to differ materially from those contemplated by the statements. The "forward-looking" information is based on various factors and was derived using numerous assumptions. In some cases, you can identify these so-called forward-looking statements by words like “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential,” or “continue” or the negative of those words and other comparable words. You should be aware that those statements only reflect our predictions and are subject to risks and uncertainties. Actual events or results may differ substantially. Important factors that could cause our actual results to be materially different from the forward-looking statements include (but are not limited to) the following:

(1) the impact of the general economy and economic uncertainty on our business;

(2) risks associated with potential changes to federal, state, local and foreign laws, regulations, and policies;

(3) risks associated with the operation of our business generally, including:

a. client demand for our services and solutions;

b. maintaining a balance of our supply of skills and resources with client demand;

c. effectively competing in a highly competitive market;

d. protecting our clients’ and our data and information;

e. risks from international operations including fluctuations in exchange rates;

f. changes to immigration policies;

g. obtaining favorable pricing to reflect services provided;

h. adapting to changes in technologies and offerings;

i. risk of loss of one or more significant software vendors;

j. making appropriate estimates and assumptions in connection with preparing our consolidated financial statements;

k. maintaining effective internal controls; and

l. changes to tax levels, audits, investigations, tax laws or their interpretation;

(4) legal liabilities, including intellectual property protection and infringement or the disclosure of personally identifiable information;

(5) risks associated with managing growth organically and through acquisitions;

(6) risks associated with servicing our debt, the potential impact on the value of our common stock from the conditional conversion features of such debt and the associated convertible note hedge transactions; and

(7) the risks detailed from time to time within our filings with the Securities and Exchange Commission (the “SEC”).

This discussion is not exhaustive, but is designed to highlight important factors that may impact our forward-looking statements. Because the factors referred to above, as well as the statements included under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2017 and in this Form 10-Q, including the additional risk factors set forth in Part II, Item 1A of this report, including documents incorporated by reference therein and herein, could cause actual results or outcomes to differ materially from those expressed in any forward-looking statement made by us or on our behalf, you should not place undue reliance on any forward-looking statements.

Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activity, performance, or achievements. We are under no duty to update any of the forward-looking statements after the date of this Form 10-Q to conform such statements to actual results.

All forward-looking statements, express or implied, included in this report and the documents we incorporate by reference and that are attributable to Perficient, Inc. and its subsidiaries (collectively, “we,” “us,” “Perficient,” or the “Company”) are expressly qualified in their entirety by this cautionary statement. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that the Company or any persons acting on our behalf may issue.

1

Item 1. Financial Statements

Perficient, Inc.

Condensed Consolidated Balance Sheets

	September 30, 2018 (unaudited)			December 31, 2017
ASSETS	(In thousands, except share and per share information)
Current assets:
Cash and cash equivalents	$	44,947		$	6,307
Accounts receivable, net	109,764			112,194
Prepaid expenses	4,303			4,470
Other current assets	2,212			6,237
Total current assets	161,226			129,208
Property and equipment, net	6,565			7,145
Goodwill	321,995			305,238
Intangible assets, net	49,821			51,066
Other non-current assets	9,662			6,403
Total assets	$	549,269		$	499,060
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	10,801		$	23,196
Other current liabilities	44,172			38,077
Total current liabilities	54,973			61,273
Long-term debt, net	119,038			55,000
Other non-current liabilities	20,254			16,436
Total liabilities	$	194,265		$	132,709
Stockholders’ equity:
Common stock (par value $.001 per share; 100,000,000 authorized; 47,999,384 shares issued and 31,920,534 shares outstanding as of September 30, 2018; 47,370,945 shares issued and 33,249,665 shares outstanding as of December 31, 2017)	$	48		$	47
Additional paid-in capital	431,510			403,906
Accumulated other comprehensive loss	(2,837		)	(1,822		)
Treasury stock, at cost (16,078,850 shares as of September 30, 2018; 14,121,280 shares as of December 31, 2017)	(218,891		)	(163,871		)
Retained earnings	145,174			128,091
Total stockholders’ equity	355,004			366,351
Total liabilities and stockholders’ equity	$	549,269		$	499,060

See accompanying notes to interim unaudited condensed consolidated financial statements.

2

Perficient, Inc.

Unaudited Condensed Consolidated Statements of Operations

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018		2017
	(In thousands, except per share information)
Revenues
Services	$	122,879		$	117,415		$	363,986	$	329,192
Software and hardware	1,054			6,323			2,686		22,591
Total revenues	123,933			123,738			366,672		351,783
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Cost of services	79,183			75,971			238,004		214,858
Software and hardware costs	—			5,168			—		18,860
Total cost of revenues	79,183			81,139			238,004		233,718
Selling, general and administrative	29,322			27,072			85,945		78,884
Depreciation	995			1,123			3,057		3,587
Amortization	4,009			3,936			12,029		11,098
Acquisition costs	497			(100		)	1,337		1,283
Adjustment to fair value of contingent consideration	666			(389		)	1,757		(828		)
Income from operations	9,261			10,957			24,543		24,041
Net interest expense	831			440			1,718		1,444
Net other (income) expense	(6		)	(15		)	43		(84		)
Income before income taxes	8,436			10,532			22,782		22,681
Provision for income taxes	2,131			3,505			5,699		10,535
Net income	$	6,305		$	7,027		$	17,083	$	12,146
Basic net income per share	$	0.19		$	0.22		$	0.52	$	0.37
Diluted net income per share	$	0.19		$	0.21		$	0.50	$	0.36
Shares used in computing basic net income per share	32,648			32,673			32,724		32,997
Shares used in computing diluted net income per share	33,645			33,991			33,846		34,085

See accompanying notes to interim unaudited condensed consolidated financial statements.

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Perficient, Inc.

Unaudited Condensed Consolidated Statements of Comprehensive Income

	Three Months Ended September 30,					Nine Months Ended September 30,
	2018			2017		2018			2017
	(In thousands)
Net income	$	6,305		$	7,027	$	17,083		$	12,146
Other comprehensive (loss) income:
Foreign currency translation adjustment	(363		)	137		(1,015		)	720
Comprehensive income	$	5,942		$	7,164	$	16,068		$	12,866

See accompanying notes to interim unaudited condensed consolidated financial statements.

4

Perficient, Inc.

Unaudited Condensed Consolidated Statement of Stockholders’ Equity

Nine Months Ended September 30, 2018

(In thousands)

	Common Stock Shares		Common Stock Amount		Additional Paid-in Capital			Accumulated Other Comprehensive Loss			Treasury Stock			Retained Earnings		Total Stockholders’ Equity
Balance at December 31, 2017	33,250		$	47	$	403,906		$	(1,822	)	$	(163,871	)	$	128,091	$	366,351
Proceeds from the sales of stock through the Employee Stock Purchase Plan	6		—		124			—			—			—		124
Stock compensation related to restricted stock vesting and retirement savings plan contributions	421		1		11,559			—			—			—		11,560
Purchases of treasury stock and buyback of shares for taxes	(1,943	)	—		—			—			(54,717		)	—		(54,717		)
Issuance of stock in conjunction with acquisition including stock attributed to future compensation	201		—		4,201			—			—			—		4,201
Surrender of stock in conjunction with net working capital settlement	(14	)	—		—			—			(303		)	—		(303		)
Equity component of convertible notes, net of tax	—		—		15,547			—			—			—		15,547
Debt issuance costs of convertible notes allocated to equity, net of tax	—		—		(511		)	—			—			—		(511		)
Purchase of hedges on convertible notes, net of tax	—		—		(15,376		)	—			—			—		(15,376		)
Proceeds from issuance of warrants on convertible notes	—		—		12,060			—			—			—		12,060
Net income	—		—		—			—			—			17,083		17,083
Foreign currency translation adjustment	—		—		—			(1,015		)	—			—		(1,015		)
Balance at September 30, 2018	31,921		$	48	$	431,510		$	(2,837	)	$	(218,891	)	$	145,174	$	355,004

See accompanying notes to interim unaudited condensed consolidated financial statements.

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Perficient, Inc.

Unaudited Condensed Consolidated Statements of Cash Flows

	Nine Months Ended September 30,
	2018			2017
OPERATING ACTIVITIES	(In thousands)
Net income	$	17,083		$	12,146
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	3,057			3,587
Amortization	12,029			11,098
Deferred income taxes	655			918
Non-cash stock compensation and retirement savings plan contributions	11,560			10,595
Adjustment to fair value of contingent consideration for purchase of business	1,757			(828		)
Amortization of debt issuance costs and discounts	300			122
Write-off of unamortized credit facility fees	—			246
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	11,453			1,415
Other assets	1,157			2,634
Accounts payable	(12,394		)	(6,423		)
Other liabilities	(3,865		)	(5,386		)
Net cash provided by operating activities	42,792			30,124
INVESTING ACTIVITIES
Purchase of property and equipment	(3,182		)	(2,521		)
Capitalization of internally developed software costs	(477		)	(762		)
Purchase of businesses	(21,213		)	(37,886		)
Net cash used in investing activities	(24,872		)	(41,169		)
FINANCING ACTIVITIES
Proceeds from issuance of convertible notes	143,750			—
Payment for convertible notes issuance costs	(4,323		)	—
Purchase of convertible notes hedges	(20,686		)	—
Proceeds from issuance of convertible notes warrants	12,060			—
Proceeds from line of credit	161,000			223,500
Payments on line of credit	(216,000		)	(190,500		)
Payment for credit facility financing fees	—			(355		)
Payment of contingent consideration for purchase of business	—			(3,258		)
Proceeds from the sale of stock through the Employee Stock Purchase Plan	124			135
Purchases of treasury stock	(51,809		)	(23,953		)
Remittance of taxes withheld as part of a net share settlement of restricted stock vesting	(2,908		)	(2,542		)
Net cash provided by financing activities	21,208			3,027
Effect of exchange rate on cash and cash equivalents	(488		)	353
Change in cash and cash equivalents	38,640			(7,665		)
Cash and cash equivalents at beginning of period	6,307			10,113
Cash and cash equivalents at end of period	$	44,947		$	2,448

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	Nine Months Ended September 30,
	2018		2017
Supplemental disclosures:	(In thousands)
Cash paid for income taxes	$	2,439	$	3,725
Cash paid for interest	$	1,277	$	922
Non-cash investing activity:
Stock issued for purchase of businesses	$	3,789	$	9,429
Stock surrendered by sellers in conjunction with net working capital settlement	$	303	$	572

See accompanying notes to interim unaudited condensed consolidated financial statements.

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PERFICIENT, INC.

NOTES TO INTERIM UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

SEPTEMBER 30, 2018

1. Basis of Presentation

The accompanying interim unaudited condensed consolidated financial statements of Perficient, Inc. and its subsidiaries (collectively, the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) and are presented in accordance with the rules and regulations of the Securities and Exchange Commission (the “SEC”) applicable to interim financial information. Accordingly, certain note disclosures have been condensed or omitted. In the opinion of management, the interim unaudited condensed consolidated financial statements reflect all adjustments (consisting of only normal recurring adjustments) necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the periods presented. These financial statements should be read in conjunction with the Company’s consolidated financial statements and notes thereto filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. Operating results for the three and nine months ended September 30, 2018 may not be indicative of the results for the full year ending December 31, 2018.

Certain prior period financial statement amounts have been reclassified to conform to current period presentation. This reclassification relates to reimbursable expenses, which have been combined with services revenues and cost of services within revenues and cost of revenues in the Unaudited Condensed Consolidated Statements of Operations.

2. Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates, and such differences could be material to the financial statements.

Except for the accounting policies related to revenue recognition that were updated as a result of the adoption of Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers issued by the Financial Accounting Standards Board (the “FASB”), there have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2017, filed with the SEC on March 1, 2018, that have had a material impact on the Company’s condensed consolidated financial statements and related notes. See Note 4, Revenue, for updated policies related to revenue recognition.

3.  Recent Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Accounting Standards Codification (“ASC”) Topic 606), which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. ASU No. 2014-09 replaced most existing revenue recognition guidance in U.S. GAAP. In 2015, the FASB deferred the effective date of ASU No. 2014-09 by one year. In 2016, the FASB issued ASU No. 2016-08, Principal versus Agent Considerations, ASU No. 2016-10, Identifying Performance Obligations and Licensing, ASU No. 2016-12, Narrow-Scope Improvements and Practical Expedients and ASU No. 2016-20, Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers, all of which further amended ASU No. 2014-09. The Company adopted the standard on January 1, 2018 using the modified retrospective method which requires a cumulative-effect adjustment to the opening balance of retained earnings within stockholders’ equity. The Company has determined that the most significant impact upon adoption was to third-party software and hardware revenue, which was primarily recorded on a gross basis as the principal in the transaction through December 31, 2017 and presented on a net basis as the agent as of January 1, 2018. The adoption of the standard also resulted in minor changes to the timing of revenue recognition. As the agent, revenue from multi-year sales of third-party software and support is recognized upfront as the performance obligation is fulfilled, rather than annually as invoiced to the customer. Additionally, variable consideration related to service contracts, such as volume discounts and holdbacks, are recognized earlier under the new standard in certain instances. The impact from these timing changes was immaterial as of January 1, 2018, and therefore, did not result in a cumulative-effect adjustment to the opening balance of retained earnings.  The adoption of the standard also resulted in increases to accounts receivable, net and deferred revenue within other current liabilities for those contracts under which the Company’s right to consideration is unconditional. Refer to Impacts of ASC Topic

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606 Adoption on Current Period Results below for the impact of adopting ASC Topic 606 on the Unaudited Condensed Consolidated Balance Sheet as of September 30, 2018 and the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018. There was no material impact on the Unaudited Condensed Consolidated Statement of Cash Flows for the nine months ended September 30, 2018. The adoption of ASU No. 2014-09 and its amendments also resulted in additional disclosures around the nature and timing of performance obligations, contract costs, and deferred revenue, as well as significant judgments and practical expedients used by the Company. See Note 4, Revenue, for these disclosures.

Impacts of ASC Topic 606 Adoption on Current Period Results

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Balance Sheet as of  September 30, 2018 are as follows (in thousands):

	As Reported		ASC Topic 606 Impact			Without ASC Topic 606 Adoption
Accounts receivable, net	$	109,764	$	(1,512	)	$	108,252
Total assets	549,269		(1,512		)	547,757
Other current liabilities	44,172		(1,512		)	42,660
Total liabilities	194,265		(1,512		)	192,753

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018 are as follows (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption (Gross Presentation)		As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption  (Gross Presentation)
Revenues
Services	$	122,879	$	—	$	122,879	$	363,986	$	—	$	363,986
Software and hardware	1,054		3,665		4,719		2,686		16,050		18,736
Total revenues	123,933		3,665		127,598		366,672		16,050		382,722
Cost of revenues
Cost of services	79,183		—		79,183		238,004		—		238,004
Software and hardware costs	—		3,665		3,665		—		16,050		16,050
Total cost of revenues	79,183		3,665		82,848		238,004		16,050		254,054
Income from operations	9,261		—		9,261		24,543		—		24,543
Net income	6,305		—		6,305		17,083		—		17,083

In February 2016, the FASB issued ASU No. 2016-02, Leases, which supersedes ASC Topic 840, Leases, and creates a new topic, ASC Topic 842, Leases. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases, and ASU 2018-11, Leases – Targeted Improvement, which further amended ASU No. 2016-02. These updates require lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The updates also expand the required quantitative and qualitative disclosures surrounding leases. These updates are effective for the Company on January 1, 2019. The amendments to ASU 2016-02 allow companies to elect to apply the provisions of the new standard at the effective date without adjusting the comparative periods presented, which the Company currently expects to elect. The Company continues to evaluate the effect that ASU No. 2016-02 and its amendments will have on its consolidated financial statements and disclosures. The Company expects the primary impact upon adoption will be the recognition, on a discounted basis, of its minimum commitments under noncancellable operating leases on its consolidated balance sheets resulting in the recording of right of use assets and lease obligations. The Company is also evaluating provisions within its contracts to identify any embedded leases which would have a potential impact upon adoption. Current minimum commitments under noncancellable operating leases are disclosed in Note 14, Commitments and Contingencies.

9

4. Revenue

The Company’s revenues consist of services and software and hardware sales. Revenues are recognized when control of these services or goods are transferred to clients, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those services or goods.

For a description of the Company’s revenue recognition policy prior to January 1, 2018 under ASC Subtopic 985-605, Software – Revenue Recognition, ASC Subtopic 605-25, Revenue Recognition – Multiple-Element Arrangements, and ASC Section 605-10-S99 (Staff Accounting Bulletin Topic 13, Revenue Recognition), refer to Note 2, Summary of Significant Accounting Policies, in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

The following discussion relates to the Company’s revenue recognition policy, effective January 1, 2018, under ASC Topic 606.

Services Revenues

Services revenues are primarily comprised of professional services that include developing, implementing, automating and extending business processes, technology infrastructure, and software applications. The Company’s professional services span multiple industries, platforms and solutions; however, the Company has remained relatively diversified and does not believe that it has significant revenue concentration within any single industry, platform or solution.

Professional services revenues are recognized over time as services are rendered. Most projects are performed on a time and materials basis, while a portion of revenues is derived from projects performed on a fixed fee or fixed fee percent complete basis. For time and material contracts, revenues are generally recognized and invoiced by multiplying the number of hours expended in the performance of the contract by the billing rates established in the contract. For fixed fee contracts, revenues are generally recognized and invoiced by multiplying the fixed rate per time period established in the contract by the number of time periods elapsed. For fixed fee percent complete contracts, revenues are generally recognized using an input method based on the ratio of hours expended to total estimated hours, and the client is invoiced according to the agreed-upon schedule detailing the amount and timing of payments in the contract. Clients are typically billed monthly for services provided during that month, but can be billed on a more or less frequent basis as determined by the contract. If the time is worked and approved at the end of a fiscal period and the invoice has not yet been sent to the client, the amount is recorded as revenue once the Company verifies all other revenue recognition criteria have been met, and the amount is classified as a receivable as the right to consideration is unconditional at that point. Amounts invoiced and collected in excess of revenues recognized are contract liabilities, which are classified as deferred revenues in the Unaudited Condensed Consolidated Balance Sheet. The term between invoicing and payment due date is not significant. Contracts for professional services provide for a general right, to the client or the Company, to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required). The client is responsible for any time and expenses incurred up to the date of cancellation or termination of the contract. Certain contracts may include volume discounts or holdbacks, which are accounted for as variable consideration under ASC Topic 606, but are not typically significant. The Company estimates variable consideration based on historical experience and forecasted sales and includes the variable consideration in the transaction price.

Other services revenues are comprised of hosting fees, partner referral fees, maintenance agreements, training and internally developed software-as-a-service (“SaaS”) sales. Revenues from hosting fees, maintenance agreements, training and internally developed SaaS sales are generally recognized over time using a time-based measure of progress as services are rendered. Partner referral fees are recorded at a point in time upon meeting specified requirements set by each partner to earn the respective fee.

On many professional service projects, the Company is also reimbursed for out-of-pocket expenses including travel and other project-related expenses.  These reimbursements are included as a component of the transaction price of the respective professional services contract and are invoiced as the expenses are incurred. The Company structures its professional services arrangements to recover the cost of reimbursable expenses without a markup.

Software and Hardware Revenues

Software and hardware revenues are comprised of third-party software and hardware resales, in which the Company is considered the agent, and sales of internally developed software, in which the Company is considered the principal. Third-party software and hardware revenues are recognized and invoiced when the Company fulfills its obligation to arrange the sale, which occurs when the purchase order with the vendor is executed and the customer has access to the software or the hardware has been shipped to the customer. Internally developed software revenues are recognized and invoiced when control is transferred to the

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customer, which occurs when the software has been made available to the customer and the license term has commenced. Revenues from third-party software and hardware sales are recorded on a net basis, while revenues from internally developed software sales are recorded on a gross basis. There are no significant cancellation or termination-type provisions for the Company’s software and hardware sales, and the term between invoicing and payment due date is not significant.

Arrangements with Multiple Performance Obligations

Arrangements with clients may contain multiple promises such as delivery of software, hardware, professional services or post-contract support services. These promises are accounted for as separate performance obligations if they are distinct.  For arrangements with clients that contain multiple performance obligations, the transaction price is allocated to the separate performance obligations based on estimated relative standalone selling price, which is estimated by the expected cost plus a margin approach, taking into consideration market conditions and competitive factors.

Contract Costs

In accordance with the terms of the Company’s sales commission plan, commissions are not earned until the related revenue is recognized. Therefore, sales commissions are expensed as they are incurred. Certain sales incentives are accrued based on achievement of specified bookings goals. For these incentives, the Company applies the practical expedient that allows the Company to expense the incentives as incurred, since the amortization period would have been one year or less.

Deferred Revenue

The Company’s deferred revenue balance as of December 31, 2017 was $3.3 million, which increased to $6.1 million as of January 1, 2018 due to the adoption of ASC Topic 606. The deferred revenue balance as of September 30, 2018 was $4.7 million. During the nine months ended September 30, 2018, $4.5 million was recognized in revenue that was included in the deferred revenue balance at the beginning of the period.  Deferred revenue balances assumed in the Company's 2018 acquisitions were immaterial.

Transaction Price Allocated to Remaining Performance Obligations

Due to the ability of the client or the Company to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required), the majority of the Company’s contracts have a term of less than one year. Perficient does not disclose the value of unsatisfied performance obligations for contracts with an original maturity date of one year or less or time and materials contracts for which the Company has the right to invoice for services performed. Revenue related to unsatisfied performance obligations for remaining contracts as of September 30, 2018 was immaterial.

Disaggregation of Revenue

The following table presents revenue disaggregated by revenue source and pattern of revenue recognition (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	85,127	$	—	$	85,127	$	252,158	$	—	$	252,158
Fixed fee percent complete contracts	9,731		—		9,731		26,741		—		26,741
Fixed fee contracts	20,402		—		20,402		62,001		—		62,001
Reimbursable expenses	3,223		—		3,223		9,468		—		9,468
Total professional services fees	118,483		—		118,483		350,368		—		350,368
Other services revenue*	3,610		786		4,396		11,229		2,389		13,618
Total services	122,093		786		122,879		361,597		2,389		363,986
Software and hardware	—		1,054		1,054		—		2,686		2,686
Total revenues	$	122,093	$	1,840	$	123,933	$	361,597	$	5,075	$	366,672

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS and partner referral fees.

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The following table presents revenue disaggregated by geographic area, as determined by the billing address of customers (in thousands):

	Three Months Ended September 30, 2018		Nine Months Ended September 30, 2018
United States	$	121,440	$	358,179
Canada	800		2,910
Other countries	1,693		5,583
Total revenues	$	123,933	$	366,672

5. Stock-Based Compensation

Stock-based compensation is accounted for in accordance with ASC Topic 718, Compensation – Stock Compensation. Under this guidance, the Company recognizes share-based compensation ratably using the straight-line attribution method over the requisite service period, which is generally three years. In addition, the Company has elected to estimate the amount of expected forfeitures when calculating share-based compensation, instead of accounting for forfeitures as they occur. The fair value of restricted stock awards is based on the value of the Company’s common stock on the date of the grant.

Stock Award Plans

The Company’s Second Amended and Restated 2012 Long Term Incentive Plan (as amended, the “Incentive Plan”) allows for the granting of various types of stock awards, not to exceed a total of 7.0 million shares, to eligible individuals.  The Compensation Committee of the Board of Directors administers the Incentive Plan and determines the terms of all stock awards made under the Incentive Plan. As of September 30, 2018, there were 2.6 million shares of common stock available for issuance under the Incentive Plan.

Stock-based compensation cost recognized for the three and nine months ended September 30, 2018 was approximately $4.1 million and $12.1 million, respectively, which included $0.7 million and $2.1 million, respectively, of expense for retirement savings plan contributions. The associated current and future income tax benefits recognized were $0.8 million and $2.4 million for the three and nine months ended September 30, 2018, respectively. Stock-based compensation cost recognized for the three and nine months ended September 30, 2017 was approximately $3.6 million and $11.0 million, respectively, which included $0.6 million and $1.9 million, respectively, of expense for retirement savings plan contributions. The associated current and future income tax benefits recognized were $1.1 million and $3.4 million for the three and nine months ended September 30, 2017, respectively. As of September 30, 2018, there was $17.1 million of total unrecognized compensation cost related to non-vested share-based awards with a weighted-average remaining life of two years.

Restricted stock activity for the nine months ended September 30, 2018 was as follows (shares in thousands):

	Shares		Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2017	1,436		$	18.12
Awards granted	366		22.08
Awards vested	(334	)	19.26
Awards forfeited	(87	)	17.45
Restricted stock awards outstanding at September 30, 2018	1,381		$	18.91

6. Net Income per Share

The following table presents the calculation of basic and diluted net income per share (in thousands, except per share information):

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	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Net income	$	6,305	$	7,027	$	17,083	$	12,146
Basic:
Weighted-average shares of common stock outstanding	32,648		32,673		32,724		32,997
Shares used in computing basic net income per share	32,648		32,673		32,724		32,997
Effect of dilutive securities:
Restricted stock subject to vesting	733		459		665		450
Shares issuable for acquisition consideration (1)	264		859		457		638
Shares used in computing diluted net income per share	33,645		33,991		33,846		34,085
Basic net income per share	$	0.19	$	0.22	$	0.52	$	0.37
Diluted net income per share	$	0.19	$	0.21	$	0.50	$	0.36

(1) For the three and nine months ended September 30, 2018, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm Systems, Inc. (“BioPharm”); (ii) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (iii) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (iv) the Asset Purchase Agreement with Clarity Consulting, Inc. and Truth Labs, LLC (together, “Clarity”); (v) the Asset Purchase Agreement with Southport Services Group, LLC (“Southport”); and (vi) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”), as part of the consideration.  For the three and nine months ended September 30, 2017, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm; (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with The Pup Group, Inc. d/b/a Enlighten (“Enlighten”); (iv) the Asset Purchase Agreement with RAS; and (v) the Asset Purchase Agreement with Clarity, as part of the consideration.

The number of anti-dilutive securities not included in the calculation of diluted net income per share were as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Restricted stock subject to vesting	—	—	40	117
Convertible senior notes	3,823	—	3,823	—
Warrants related to the issuance of convertible senior notes	3,823	—	3,823	—
Total anti-dilutive securities	7,646	—	7,686	117

See Note 10, Long-term Debt for further information on the convertible senior notes and warrants related to the issuance of convertible notes.

Prior to 2018, the Company's Board of Directors authorized the repurchase of up to $135.0 million of Company common stock. On February 20, 2018, the Board of Directors authorized the expansion of the stock repurchase program by authorizing the repurchase of up to an additional $25.0 million of Company common stock and extended the expiration date of the program from December 31, 2018 to December 31, 2019. On August 15, 2018, the Board of Directors authorized an additional $75.0 million, for a total repurchase program of $235.0 million. The program could be suspended or discontinued at any time, based on market, economic, or business conditions. The timing and amount of repurchase transactions will be determined by management based on its evaluation of market conditions, share price, and other factors. Since the program’s inception on August 11, 2008, the Company has repurchased approximately $186.8 million (14.2 million shares) of outstanding common stock through September 30, 2018.

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7. Balance Sheet Components

	September 30, 2018 (unaudited)			December 31, 2017
	(in thousands)
Accounts receivable:
Accounts receivable	$	66,541		$	82,603
Unbilled revenues	44,038			30,863
Allowance for doubtful accounts	(815		)	(1,272		)
Total	$	109,764		$	112,194

Property and equipment:
Computer hardware (useful life of 3 years)	$	13,832		$	13,110
Software (useful life of 1 to 7 years)	5,042			5,159
Furniture and fixtures (useful life of 5 years)	4,472			3,772
Leasehold improvements (useful life of 5 years)	3,172			2,836
Less: Accumulated depreciation	(19,953		)	(17,732		)
Total	$	6,565		$	7,145

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	15,356	$	8,148
Accrued variable compensation	12,810		16,842
Deferred revenue	4,733		3,278
Other current liabilities	4,452		3,879
Payroll related costs	3,378		2,971
Accrued medical claims expense	2,072		2,133
Professional fees	1,106		357
Accrued subcontractor fees	265		469
Total	$	44,172	$	38,077

Other non-current liabilities:
Deferred income taxes	$	7,638	$	7,360
Other non-current liabilities	7,742		4,667
Deferred compensation liability	4,874		4,409
Total	$	20,254	$	16,436

(1) As of September 30, 2018, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by Stone Temple, Southport and Clarity twelve months after the acquisition. As of December 31, 2017, represents the fair value estimate of additional revenue and earnings-based contingent consideration that may be realized by Clarity twelve months after the acquisition.

8. Business Combinations

2017 Acquisitions

Acquisition of RAS

On January 3, 2017, the Company acquired substantially all of the assets of RAS through a wholly-owned subsidiary of the Company, pursuant to the terms of an Asset Purchase Agreement. The Company’s total allocable purchase price consideration was $10.4 million. The purchase price was comprised of $7.1 million in cash paid and $2.1 million in Company common stock issued at closing reduced by $0.6 million as a result of a net working capital adjustment settled in Company common stock surrendered by RAS in 2017. The purchase price also included $1.8 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which was not realized by RAS. The amount of goodwill deductible for tax purposes was $3.7 million.

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Acquisition of Clarity

On June 22, 2017, the Company acquired substantially all of the assets of Clarity, pursuant to the terms of an Asset Purchase Agreement. The Company’s total allocable purchase price consideration was $41.7 million. The purchase price was comprised of $30.7 million in cash paid and $7.3 million in Company common stock issued at closing reduced by $0.4 million as a result of the net working capital adjustment settled in Company common stock surrendered by Clarity in February 2018. The purchase price also included $4.1 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration with a maximum cash payout of $9.2 million. Clarity achieved the maximum cash payout pursuant to the Asset Purchase Agreement and, as a result, the Company has accrued $9.2 million of contingent consideration as of September 30, 2018. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $22.1 million.

2018 Acquisitions

Acquisition of Southport

On April 2, 2018, the Company acquired substantially all of the assets of Southport, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Southport expands the Company’s expertise in business intelligence and data warehousing services.

The Company has initially estimated the total allocable purchase price consideration to be $18.6 million. The purchase price was comprised of $11.3 million in cash paid and $2.7 million in Company common stock issued at closing increased by $0.3 million for an estimated net working capital adjustment due to the seller. The purchase price also included $4.3 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition with a maximum cash payout of $6.6 million. As of September 30, 2018, the Company’s best estimate of the fair value of the contingent consideration was $5.0 million. As a result, the Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Consolidated Statements of Operations of $0.7 million during the three and nine months ended September 30, 2018. The Company incurred approximately $0.8 million in transaction costs, which were expensed when incurred.

As part of the consideration transferred for the acquisition of Southport, the Company issued common stock to owners of Southport, who are continuing with the Company, with restrictions limiting the ability to sell the common stock which lapse over a certain period or over an accelerated period upon meeting specified employment milestones. As such, an estimated $0.3 million of the common stock value was attributed to future compensation and recorded as an asset within “Other current assets” and “Other non-current assets” in the Unaudited Condensed Consolidated Balance Sheet as of the acquisition date, to be amortized over the requisite service period.

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	4.2
Identified intangible assets	5.7
Liabilities assumed	(1.8		)
Goodwill	10.5
Total purchase price	$	18.6

The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $7.1 million.

The above purchase price accounting estimates are pending finalization of the net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period.

Acquisition of Stone Temple

On July 16, 2018, the Company acquired substantially all of the assets of Stone Temple, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Stone Temple expands the Company’s capabilities in search engine marketing and digital content services.

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The Company has initially estimated the total allocable purchase price consideration to be $12.4 million. The purchase price was comprised of $9.9 million in cash paid and $1.2 million in Company common stock issued at closing increased by $0.1 million for an estimated net working capital adjustment due to the seller. The purchase price also included $1.2 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition with a maximum cash payout of $2.6 million. The Company incurred approximately $0.5 million in transaction costs, which were expensed when incurred.

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	2.5
Identified intangible assets	4.6
Liabilities assumed	(1.5		)
Goodwill	6.8
Total purchase price	$	12.4

The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $5.4 million.

The above purchase price accounting estimates are pending finalization of the intangible assets and contingent consideration valuation and a net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period.

The following table presents details of the intangible assets acquired during the nine months ended September 30, 2018 (dollars in millions):

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	5 years	5 - 6 years	$	8.2
Customer backlog	1 year	1 - 1.5 years	1.4
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.1
Developed software	3 years	3 years	0.4
Total acquired intangible assets			$	10.3

The operating results of the 2017 and 2018 acquisitions have been included in the Company's interim unaudited condensed consolidated financial statements since the respective acquisition date.

The aggregate amounts of revenue and net income of the Southport and Stone Temple acquisitions in the Unaudited Condensed Consolidated Statements of Operations from the respective acquisition dates to September 30, 2018 are as follows (in thousands):

	Acquisition Date to September 30, 2018
Revenues	$	10,774
Net income	$	777

Pro-forma Results of Operations

The following presents the unaudited pro-forma combined results of operations of the Company with the 2017 and 2018 acquisitions for the nine months ended September 30,2018 and 2017, after giving effect to certain pro-forma adjustments and assuming the 2018 acquisitions were acquired as of the beginning of 2017 and assuming the 2017 acquisitions were acquired as of the beginning of 2016.

These unaudited pro-forma results are presented in compliance with the adoption of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations, and are not necessarily

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indicative of the actual consolidated results of operations had the acquisitions actually occurred on January 1, 2017 or January 1, 2016 or of future results of operations of the consolidated entities (in thousands except per share data):

	Nine Months Ended September 30,
	2018		2017
Revenues	$	376,695	$	385,639
Net income	$	20,846	$	12,845
Basic net income per share	$	0.63	$	0.38
Diluted net income per share	$	0.61	$	0.37
Shares used in computing basic net income per share	33,054		33,505
Shares used in computing diluted net income per share	33,931		34,582

9. Goodwill and Intangible Assets

Goodwill represents the excess purchase price over the fair value of net assets acquired, or net liabilities assumed, in a business combination. In accordance with ASC Topic 350, Intangibles – Goodwill and Other, the Company performs an annual impairment review in the fourth quarter and more frequently if events or changes in circumstances indicate that goodwill might be impaired. There was no indication that goodwill became impaired as of September 30, 2018.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software, which are being amortized over the assets’ estimated useful lives using the straight-line method. Estimated useful lives range from less than one year to ten years. Amortization of customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software is considered an operating expense and is included in “Amortization” in the accompanying Unaudited Condensed Consolidated Statements of Operations. The Company periodically reviews the estimated useful lives of its identifiable intangible assets, taking into consideration any events or circumstances that might result in a lack of recoverability or revised useful life.

Goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2018 are as follows (in thousands):

Balance at December 31, 2017	$	305,238
Preliminary purchase price allocations for acquisitions	17,267
Effect of foreign currency translation adjustments	(510		)
Balance at September 30, 2018	$	321,995

Intangible Assets with Definite Lives

The following table presents a summary of the Company’s intangible assets that are subject to amortization (in thousands):

	September 30, 2018							December 31, 2017
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	80,176	$	(37,781	)	$	42,395	$	75,407	$	(32,307	)	$	43,100
Non-compete agreements	1,626		(789		)	837		1,556		(707		)	849
Customer backlog	1,400		(443		)	957		1,650		(866		)	784
Trade name	110		(43		)	67		100		(53		)	47
Internally developed software	11,900		(6,335		)	5,565		11,325		(5,039		)	6,286
Total	$	95,212	$	(45,391	)	$	49,821	$	90,038	$	(38,972	)	$	51,066

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The estimated useful lives of identifiable intangible assets are as follows:

Customer relationships	5 - 10 years
Non-compete agreements	2 - 5 years
Customer backlog	1 - 1.5 years
Trade name	1 year
Internally developed software	2 - 7 years

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows and excludes the impact of the acquisition referenced in Note 15, Subsequent Events (in thousands):

2018 remaining	$	4,054
2019	$	14,767
2020	$	11,021
2021	$	8,813
2022	$	7,404
Thereafter	$	3,762

10. Long-term Debt

Revolving Credit Facility

On June 9, 2017, the Company entered into a Credit Agreement, as amended (the “Credit Agreement”), with Wells Fargo Bank, National Association, as administrative agent and the other lenders parties thereto.  The Credit Agreement provides for revolving credit borrowings up to a maximum principal amount of $125.0 million, subject to a commitment increase of $75.0 million. All outstanding amounts owed under the Credit Agreement become due and payable no later than the final maturity date of June 9, 2022.

The Credit Agreement also allows for the issuance of letters of credit in the aggregate amount of up to $10.0 million at any one time; outstanding letters of credit reduce the credit available for revolving credit borrowings. As of September 30, 2018, the Company had one outstanding letter of credit for $0.2 million. Substantially all of the Company’s assets are pledged to secure the credit facility.

Borrowings under the Credit Agreement bear interest at the Company’s option of the prime rate (5.25% on September 30, 2018) plus a margin ranging from 0.00% to 0.50% or one month LIBOR (2.26% on September 30, 2018) plus a margin ranging from 1.00% to 1.75%. The Company incurs an annual commitment fee of 0.15% to 0.20% on the unused portion of the line of credit.  The additional margin amount and annual commitment fee are dependent on the level of outstanding borrowings. As of September 30, 2018, the Company had $124.8 million of unused borrowing capacity.

The Company is required to comply with various financial covenants under the Credit Agreement. Specifically, the Company is required to maintain a ratio of earnings before interest, taxes, depreciation, and amortization (“EBITDA”) plus stock compensation to interest expense for the previous four consecutive fiscal quarters of not less than 3.00 to 1.00 and a ratio of indebtedness to EBITDA plus stock compensation (“Leverage Ratio”) of not more than 3.00 to 1.00. Additionally, the Credit Agreement currently restricts the payment of dividends that would result in a pro-forma Leverage Ratio of more than 2.00 to 1.00.

At September 30, 2018, the Company was in compliance with all covenants under the Credit Agreement.

Convertible Senior Notes due 2023

On September 11, 2018, the Company issued $143.8 million aggregate principal amount of 2.375% Convertible Senior Notes Due 2023 (the “Notes”) in a private placement to qualified institutional purchasers pursuant to an exemption from registration provided by Section 4(a)(2) and Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The net proceeds from the offerings, after deducting the initial purchasers’ discount and issuance costs of $4.4 million, were $139.4 million. The

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Company used (i) $49.0 million of the net proceeds to pay down the Company’s revolving credit facility, (ii) $38.8 million of the net proceeds to repurchase 1.3 million shares of the Company’s common stock concurrently with the pricing of the Notes offering in privately negotiated transactions and (iii) $8.6 million of the net proceeds to fund the cost of entering into the Notes Hedges (as defined below), after such cost was partially offset by the proceeds that the Company received from entering into the Notes Warrants (as defined below). The remaining proceeds will be used for working capital or other general corporate purposes.

The Notes bear interest at a rate of 2.375% per year. Interest will be payable in cash on March 15 and September 15 of each year, beginning March 15, 2019. The Notes mature on September 15, 2023, unless earlier converted, redeemed or repurchased in accordance with their terms prior to such date. The initial conversion rate is 26.5957 shares of the Company’s common stock per $1,000 principal amount of Notes, which is equivalent to an initial conversion price of approximately $37.60 per share of common stock. After consideration of the Notes Hedges and Notes Warrants (each defined below), the conversion rate is effectively hedged to a price of $46.62 per share of common stock. The conversion rate, and thus the conversion price, may be adjusted under certain circumstances as described in the indenture governing the Notes (the “Indenture”). The Company may settle conversions by paying or delivering, as applicable, cash, shares of its common stock or a combination of cash and shares of its common stock, at the Company’s election, based on the applicable conversion rate(s). If a “make-whole fundamental change” (as defined in the Indenture) occurs, then the Company will in certain circumstances increase the conversion rate for a specified period of time. The Company’s intent is to settle the principal amount of the Notes in cash upon conversion.

A Note may be converted at the holder’s option prior to the close of business on the business day immediately preceding September 15, 2023, but only under the following circumstances:

• during any calendar quarter commencing after the calendar quarter ending on December 31, 2018, if the last reported sale price per share of the Company’s common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter;

• during the five consecutive business days immediately after any 10 consecutive trading day period (such 10 consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of the Company’s common stock on such trading day and the conversion rate on such trading day;

• upon the occurrence of certain corporate events or distributions on the Company’s common stock described in the Indenture; and

• at any time from, and including, March 15, 2023 until the close of business on the second scheduled trading day immediately before the maturity date.

The Company may not redeem the Notes at its option before maturity. If a “fundamental change” (as defined in the Indenture) occurs, then, except as described in the Indenture, noteholders may require the Company to repurchase their notes at a cash repurchase price equal to the principal amount of the Notes to be repurchased, plus accrued and unpaid interest, if any.

As of September 30, 2018, none of the conditions permitting holders to convert their Notes had been satisfied and no shares of the Company’s common stock had been issued in connection with any conversions of the Notes. Based on the closing price of our common stock of $26.65 per share on September 28, 2018, the conversion value of the Notes was less than the principal amount of the Notes outstanding on a per Note basis.

In accordance with accounting for debt with conversions and other options, the Company bifurcated the principal amount of the Notes into liability and equity components. The initial liability component of the Notes was valued at $122.9 million based on the contractual cash flows discounted at an appropriate comparable market non-convertible debt borrowing rate at the date of issuance of 5.7%. The equity component representing the residual amount of the proceeds was recorded as an increase in additional paid-in capital within stockholders’ equity of $20.9 million, partially offset by the associated deferred tax effect of $5.4 million. The amount recorded within additional paid-in capital is not to be remeasured as long as it continues to meet the conditions for equity classification. The debt discount of $20.9 million is being amortized to interest expense using the effective interest method with an effective interest rate of 5.7% over the period from the issuance date through the contractual maturity date of September 15, 2023. The Company will utilize the treasury stock method to calculate the effects of the Notes on diluted earnings per share.

Issuance costs totaling $4.7 million were allocated pro rata based on the relative fair values of the liability and equity components. Issuance costs of $4.0 million attributable to the liability component were recorded as a direct deduction from the carrying value of the Notes and are being amortized to interest expense using the effective interest method over the term of the Notes. Issuance costs of $0.7 million attributable to the equity component were recorded as a charge to additional paid-in capital within stockholders’ equity, partially offset by the associated deferred tax effect of $0.2 million. The unamortized issuance costs will be amortized over a weighted-average remaining period of approximately five years.

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The liability and equity components of the Notes consisted of the following (in thousands):

	As of September 30, 2018
Liability component:
Principal	$	143,750
Less: Unamortized debt discount	(20,716		)
Unamortized debt issuance costs	(3,996		)
Net carrying amount	$	119,038
Equity component:
Debt discount for conversion option, net of taxes	$	15,547
Less: Issuance costs, net of taxes	(511		)
Net carrying amount	$	15,036

Interest expense for the three and nine months ended September 30, 2018 related to the Notes consisted of the following (in thousands):

	Three and Nine Months Ended September 30, 2018
Coupon interest	$	190
Amortization of debt discount	200
Amortization of debt issuance costs	45
Total interest expense recognized	$	435

2023 Convertible Notes Hedges

In connection with the issuance of the Notes, the Company entered into privately negotiated convertible note hedge transactions (the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 3.8 million shares of common stock at a strike price of $37.60, which is equal to the number of shares of common stock that notionally underlie the Notes and corresponds to the conversion price of the Notes. If the Company elects cash settlement and exercises the Notes Hedges, the aggregate amount of cash received from the Option Counterparties will cover the aggregate amount of cash that the Company would be required to pay to the holders of the Notes, less the principal amount thereof. The Notes Hedges do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s stock and are accounted for as freestanding financial instruments. The Notes Hedges were recorded as a reduction in additional paid-in capital within stockholders’ equity of $20.7 million, partially offset by the deferred tax effect of $5.3 million.

2023 Convertible Notes Warrants

In connection with the issuance of the Notes, the Company also sold net-share-settled warrants (the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the Notes Warrants was approximately $46.62 per share, and is subject to certain adjustments under the terms of the Notes Warrants. As a result of the Notes Warrants and related transactions, the Company is required to recognize incremental dilution of earnings per share to the extent the average share price is over $46.62 for any fiscal quarter. The Notes Warrants expire over a period of 100 trading days commencing on December 15, 2023and may be settled in net shares of common stock or net cash at the Company’s election. The Notes Warrants were recorded as an increase in additional paid-in capital within stockholders’ equity of $12.1 million.

11. Income Taxes

The Company files income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. The Internal Revenue Service (the “IRS”) has completed examinations of the Company’s U.S. income tax returns or the statute of limitations has passed on returns for the years through 2010. The Company’s 2011 through 2015 U.S. income tax returns are currently under examination by the IRS. The IRS has sought to disallow research credits in total of $2.5 million on the Company’s 2011, 2012 and 2013 U.S. income tax returns. The Company has exhausted all administrative appeals and formal mediation and

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has filed suit to resolve this dispute. The Company is awaiting a new court date to be set by the U.S. Tax Court for the 2011 through 2013 returns.The Company believes the research credits taken are appropriate and intends to vigorously defend its position. An amount of adjustment, if any, and the timing of such adjustment are not reasonably possible to estimate at this time. The total amount of research credits taken or expected to be taken in the Company’s income tax returns for 2011 through September 30, 2018 is approximately $10.0 million.

Under the provisions of the ASC Subtopic 740-10-25, Income Taxes - Recognition, the Company had an unrecognized tax benefit of $3.4 million (inclusive of $0.3 million of interest) as of September 30, 2018.

The Company’s effective tax rate was 25.3% and 25.0% for the three and nine months ended September 30, 2018 compared to 33.3% and 46.4% for the three and nine months ended September 30, 2017. The decrease in the effective tax rate is primarily due to the passage of the Tax Cuts and Jobs Act of 2017 (the “2017 Tax Act”), as well as the one-time tax impact of the determination in the second quarter of 2017 that the foreign earnings of the Company's Chinese subsidiary were no longer permanently reinvested. As of September 30, 2018, the Company’s net non-current deferred tax liability was $7.6 million. Deferred tax liabilities primarily relate to goodwill, other intangibles, fixed assets, prepaid expenses and issuance of the Notes. Net non-current deferred tax liabilities are recorded in “Other non-current liabilities” on the Condensed Consolidated Balance Sheet as of September 30, 2018 (unaudited) and December 31, 2017.

In general, it is the Company’s practice and intention to reinvest the earnings of the Company’s foreign subsidiaries in those operations. However, during the second quarter of 2017, the Company determined that as a result of changes in the business and macroeconomic environment, the foreign earnings of the Company’s Chinese subsidiary were no longer permanently reinvested and may repatriate available earnings from time to time. A provision for the expected current and deferred taxes on the repatriation of earnings was recorded in the amount of $2.5 million during the second quarter of 2017. Approximately $1.6 million of this provision was reversed during the fourth quarter of 2017 due to the adoption of the 2017 Tax Act. Management intends to continue to permanently reinvest all other remaining current and prior earnings in its other foreign subsidiaries.

Excluding China, foreign unremitted earnings of entities not included in the United States tax return have been included in the consolidated financial statements without giving effect to the United States taxes that may be payable on distribution to the United States because it is not anticipated such earnings will be remitted to the United States. Under current applicable tax laws, if the Company elects to remit some or all of the funds it has designated as indefinitely reinvested outside the United States, the amount remitted would be subject to non-U.S. withholding taxes. As of September 30, 2018, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $8.7 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.5 million.

U.S. Tax Reform

On December 22, 2017, the U.S. government enacted the 2017 Tax Act.  The 2017 Tax Act significantly revised the ongoing U.S. corporate income tax by, among other things, lowering U.S. corporate income tax rates and implementing a territorial tax system.  The SEC has issued rules that would allow for a measurement period of up to one year after the enactment date of the 2017 Tax Act to finalize the recording of the related tax impacts.  Based on a continued analysis of the estimates and further guidance on the application of the law, it is anticipated that additional revisions may occur throughout the allowable measurement period. During the third quarter of 2018, the Company finalized and filed its 2017 income tax return. There were no material changes to the original estimate. The Company currently anticipates finalizing and recording any further adjustments within a year of the enactment date.

12. Derivatives

In the normal course of business, the Company uses derivative financial instruments to manage foreign currency exchange rate risk. Currency exposure is monitored and managed by the Company as part of its risk management program which seeks to reduce the potentially adverse effects that market volatility could have on operating results. The Company's derivative financial instruments consist of non-deliverable foreign currency forward contracts. Derivative financial instruments are neither held nor issued by the Company for trading purposes.

Derivatives Not Designated as Hedging Instruments

Both the gain or loss on the derivatives not designated as hedging instruments and the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings. Realized gains or losses and changes in the estimated fair value of foreign currency forward contracts that have not been designated as hedges were a net loss of $0.1 million for each of the three and nine months ended September 30, 2018. An immaterial net gain was recognized during the three months ended

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September 30, 2017 and a net gain of $0.1 million was recognized during the nine months ended September 30, 2017. Gains and losses on these contracts are recorded in net other expense (income) and net interest expense in the Unaudited Condensed Consolidated Statements of Operations and are offset by losses and gains on the related hedged items.  The fair value of the Company’s derivative instruments outstanding as of September 30, 2018 was immaterial.

The notional amounts of the Company’s derivative instruments outstanding were as follows (in thousands):

	September 30, 2018		December 31, 2017
Derivatives not designated as hedges
Foreign exchange contracts	$	2,984	$	3,979
Total derivatives not designated as hedges	$	2,984	$	3,979

13. Fair Value Measurements

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1 – Inputs are quoted prices in active markets for identical assets or liabilities.

• Level 2 – Inputs are quoted prices for similar assets or liabilities in an active market, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable and market-corroborated inputs which are derived principally from or corroborated by observable market data.

• Level 3 – Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

All highly liquid investments with maturities at date of purchase of three months or less are considered to be cash equivalents. Based on their short-term nature, the carrying value of cash equivalents approximate their fair value. As of September 30, 2018, $37.0 million of the Company’s cash and cash equivalents balance related to money-market fund investments. These short-term money-market funds are considered Level 1 investments.

The fair value of the Notes is measured using quoted price inputs. The Notes are not actively traded, and thus the price inputs represent a Level 2 measurement. As the quoted price inputs are highly variable from day to day, the fair value estimates could significantly increase or decrease.

The Company’s Notes are carried at their principal amount less unamortized debt discount and issuance costs, and are not carried at fair value at each period end. The original debt discount was calculated at a market interest rate for nonconvertible debt at the time of issuance, which represented a Level 3 fair value measurement. The approximate fair value of the Notes as of September 30, 2018 was $136.0 million, which is estimated on the basis of inputs that are observable in the market and is considered a Level 2 fair value measurement.

The fair value of the Company’s foreign exchange forward contracts is measured using the present value of expected cash flows. This considers the difference between the current market forward price and contracted forward price for each foreign exchange contract and applies the difference in the rates to each outstanding contract. Valuations for all derivative instruments represent Level 2 measurements.

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14. Commitments and Contingencies

From time to time the Company is involved in legal proceedings, claims and litigation related to employee claims, contractual disputes and taxes in the ordinary course of business. Although the Company cannot predict the outcome of such matters, currently the Company has no reason to believe the disposition of any current matter could reasonably be expected to have a material adverse impact on the Company’s financial position, results of operations or the ability to carry on any of its business activities.

The Company leases office space under various operating lease agreements. The Company has the option to extend the term of certain lease agreements. Future minimum commitments under these lease agreements as of September 30, 2018 were as follows (in thousands):

	Operating Leases
2018 remaining	$	1,766
2019	7,059
2020	6,608
2021	5,122
2022	3,288
2023	3,609
Total minimum lease payments	$	27,452

Rent expense for the three and nine months ended September 30, 2018 was $2.1 million and $6.2 million, respectively. Rent expense for the three and nine months ended September 30, 2017 was $2.1 million and $6.0 million, respectively.

15. Subsequent Events

Acquisition of Elixiter, Inc.

On October 29, 2018, the Company acquired Elixiter Inc., a Montana corporation (“Elixiter”), pursuant to the terms of an Agreement and Plan of Merger (the “Merger Agreement”).  The Merger Agreement provided for approximately $6.3 million of cash to be paid at closing, subject to a net working capital adjustment, approximately 64,846 shares of Company common stock to be issued at closing and a maximum potential payout for additional revenue and earnings-based contingent consideration of $1.8 million, which may be realized by the equity holders twelve months after the closing date of the acquisition. The acquisition of Elixiter expands the Company’s capabilities in digital marketing.

Goodwill and intangible assets are expected to be recorded on the Consolidated Balance Sheet from the acquisition of Elixiter. As of November 1, 2018, the initial accounting for the business combination has not been completed, including the measurement of certain intangible assets and goodwill. Acquisition costs related to Elixiter for the three and nine months ended September 30, 2018 were immaterial.

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

Statements made in this Form 10-Q, including without limitation this Management's Discussion and Analysis of Financial Condition and Results of Operations, other than statements of historical information, are forward looking statements within the meaning of Section 27A of the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). These forward-looking statements may sometimes be identified by such words as “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential,” or “continue” or the negative of those words and other comparable words. We believe that it is important to communicate our future expectations to investors. However, these forward-looking statements involve many risks and uncertainties. Our actual results could differ materially from those indicated in such forward-looking statements as a result of certain factors, including but not limited to, those set forth under “Risk Factors” in our Annual Report on Form 10-K previously filed with the SEC and elsewhere in this Form 10-Q. We are under no duty to update any of the forward-looking statements after the date of this Form 10-Q to conform these statements to actual results. For additional information, see the “Special Note Regarding Forward-Looking Statements" contained in this Form 10-Q.

Overview

We are an information technology and management consulting firm serving Forbes Global 2000® and other large enterprise companies with a primary focus on the United States. We help clients gain competitive advantage by using technology to: make their businesses more responsive to market opportunities; strengthen relationships with customers, suppliers, and partners; improve productivity; and reduce information technology costs. Our digital experience, business optimization and industry solutions enable these benefits by developing, integrating, automating, and extending business processes, technology infrastructure and software applications end-to-end within an organization and with key partners, suppliers, and customers. Our solutions include custom applications, management consulting, analytics, commerce, content management, business integration, portals and collaboration, customer relationship management, business process management, platform implementations, enterprise data and business intelligence, enterprise performance management, enterprise mobile, cloud services, digital marketing, and DevOps, among others. Our solutions enable our clients to operate a real-time enterprise that dynamically adapts business processes and the systems that support them to meet the changing demands of an increasingly global, Internet-driven, and competitive marketplace.

Adoption of ASC Topic 606

As further detailed in Note 3, Recent Accounting Pronouncements, in the Notes to Interim Unaudited Condensed Consolidated Financial Statements, we adopted ASU No. 2014-09, Revenue from Contracts with Customers (ASC Topic 606), on January 1, 2018 using the modified retrospective method. The most significant impact upon adoption was to third-party software and hardware revenue, which was primarily recorded on a gross basis as the principal in the transaction through December 31, 2017 and presented on a net basis as the agent beginning on January 1, 2018. Since the change in presentation was applied prospectively and prior period results were not restated, the adoption of the new standard resulted in significantly lower software and hardware revenues and costs for the three and nine months ended September 30, 2018 as compared to the three and nine months ended September 30, 2017. The impact of adopting ASC Topic 606 to services revenues and costs was immaterial.

Services Revenues

Services revenues are derived from professional services that include developing, implementing, integrating, automating and extending business processes, technology infrastructure, and software applications. Professional services revenues are recognized over time as services are rendered. Most of our projects are performed on a time and materials basis, while a portion of our revenues is derived from projects performed on a fixed fee basis.   For time and material projects, revenues are recognized and billed by multiplying the number of hours our professionals expend in the performance of the project by the established billing rates. For fixed fee contracts, revenues are recognized and billed by multiplying the established fixed rate per time period by the number of time periods elapsed. For fixed fee percent complete projects, revenues are generally recognized using an input method based on the ratio of hours expended to total estimated hours. Fixed fee percent complete engagements represented 8% and 7% of our services revenues for the three and nine months ended September 30, 2018, respectively, and 8% for the three and nine months ended September 30, 2017. On most projects, we are reimbursed for out-of-pocket expenses including travel and other project-related expenses. These reimbursements are included as a component of the transaction price of the respective professional services contract. The aggregate amount of reimbursed expenses will fluctuate depending on the location of our clients, the total number of our projects that require travel, and whether our arrangements with our clients provide for the reimbursement of such expenses. In conjunction with services provided, we occasionally receive referral fees under partner programs. These referral fees are recognized at a point in time when earned and recorded within services revenues.

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Software and Hardware Revenues

Software and hardware revenues are derived from sales of third-party software and hardware resales, in which we are considered the agent, and sales of internally developed software, in which we are considered the principal. Revenues from sales of third-party software and hardware are recorded on a net basis, while revenues from internally developed software sales are recorded on a gross basis. Software and hardware revenues are expected to fluctuate depending on our clients’ demand for these products.

There are no significant cancellation or termination-type provisions for our software and hardware sales. Contracts for our professional services provide for a general right, to the client or us, to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required). The client is responsible for any time and expenses incurred up to the date of cancellation or termination of the contract.

Cost of Revenue

Cost of revenues consists of costs of services and software and hardware costs.  Costs of services consists primarily of cash and non-cash compensation and benefits (including bonuses and non-cash compensation related to equity awards), costs associated with subcontractors, reimbursable expenses and other project-related expenses. Cost of revenues does not include depreciation of assets used in the production of revenues which are primarily personal computers, servers, and other information technology related equipment. Upon adoption of ASU No. 2014-09 on January 1, 2018, sales of third party software and hardware were presented on a net basis, and as such, third-party software and hardware costs are no longer presented within cost of revenue.

Our cost of services as a percentage of services revenues is affected by the utilization rates of our professionals (defined as the percentage of our professionals’ time billed to clients divided by the total available hours in the respective period), the salaries we pay our professionals, and the average billing rate we receive from our clients. If a project ends earlier than scheduled, we retain professionals in advance of receiving project assignments, or demand for our services declines, our utilization rate will decline and adversely affect our cost of services as a percentage of services revenues.

Selling, General, and Administrative Expenses

Selling, general and administrative (“SG&A”) expenses are primarily composed of sales-related costs, general and administrative salaries, stock compensation expense, office costs, recruiting expense, variable compensation costs, marketing costs and other miscellaneous expenses. We have access to sales leads generated by our software vendors, most notably IBM, Oracle and Microsoft, whose products we use to design and implement solutions for our clients. These relationships enable us to optimize our selling costs and sales cycle times and increase win rates through leveraging our partners’ marketing efforts and endorsements.

Plans for Growth and Acquisitions

Our goal is to continue to build one of the leading information technology consulting firms by expanding our relationships with existing and new clients and through the continuation of our disciplined acquisition strategy. Our future growth plan includes expanding our business with a primary focus on customers in the United States, both organically and through acquisitions. We also intend to further leverage our existing offshore capabilities to support our future growth and provide our clients flexible options for project delivery.

When analyzing revenue growth by base business compared to acquired companies in the Results of Operations section below, revenue attributable to base business includes revenue from an acquired company that has been owned for a full four quarters after the date of acquisition.

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Results of Operations

Three months ended September 30, 2018 compared to three months ended September 30, 2017

Revenues. Total revenues increased less than 1% to $123.9 million for the three months ended September 30, 2018 from $123.7 million for the three months ended September 30, 2017.

	Financial Results (in thousands)							Explanation for Increases (Decreases) Over Prior Year Period (in thousands)
	Three Months Ended September 30,				Total Increase/ (Decrease) Over Prior Year Period			Increase Attributable to Acquired Companies		Decrease Attributable to Base Business
	2018		2017
Services revenues	$	122,879	$	117,415	$	5,464		$	6,113	$	(649	)
Software and hardware revenues	1,054		6,323		(5,269		)	—		(5,269		)
Total revenues	$	123,933	$	123,738	$	195		$	6,113	$	(5,918	)

Services revenues increased 5% to $122.9 million for the three months ended September 30, 2018 from $117.4 million for the three months ended September 30, 2017. Services revenues attributable to our base business decreased by $0.6 million while services revenues attributable to acquired companies was $6.1 million, resulting in a total increase of $5.5 million.

Software and hardware revenues decreased 83% to $1.1 million for the three months ended September 30, 2018 from $6.3 million for the three months ended September 30, 2017, as a result of the net presentation of third party software and hardware sales upon adoption of ASU No. 2014-09.

Cost of Revenues (exclusive of depreciation and amortization, discussed separately below). Cost of revenues decreased 2% to $79.2 million for the three months ended September 30, 2018 from $81.1 million for the three months ended September 30, 2017.  Cost of services increased 4% to $79.2 million for the three months ended September 30, 2018 from $76.0 million for the three months ended September 30, 2017 primarily due to higher headcount in response to higher services revenues and acquisitions. Services costs as a percent of services revenues decreased to 64.4% for the three months ended September 30, 2018 from 64.7% for the three months ended September 30, 2017 primarily driven byhigher utilization percentage for our billable resources, partially offset by lower average bill rates. The average bill rate for our professionals was $124 per hour for the three months ended September 30, 2018 and $127 per hour for the three months ended September 30, 2017. Software and hardware costs decreased to zero for the three months ended September 30, 2018 from $5.2 million for the three months ended September 30, 2017, as a result of the net presentation of third party software and hardware sales upon adoption of ASU No. 2014-09.

Selling, General and Administrative. SG&A expenses increased 8% to $29.3 million for the three months ended September 30, 2018 from $27.1 million for the three months ended September 30, 2017, primarily due to increases in bonus costs and professional fees.  SG&A expenses, as a percentage of service revenues,  increased to 23.9% for the three months ended September 30, 2018 from 23.1% for the three months ended September 30, 2017, primarily due to higher bonus costs.

Depreciation. Depreciation expense decreased 11% to $1.0 million for the three months ended September 30, 2018 from $1.1 million for  the three months ended September 30, 2017. Depreciation expense as a percentage of revenues was 0.8% for the three months ended September 30, 2018 and 0.9% for the three months ended September 30, 2017.

Amortization. Amortization expense increased 2% to $4.0 million for the three months ended September 30, 2018 from $3.9 million for the three months ended September 30, 2017. The increase in amortization expense was due to the addition of intangible assets from the Stone Temple acquisition in the third quarter of 2018 and the Southport acquisition in the second quarter of 2018.  Amortization expense as a percentage of revenues was 3.2% for the three months ended September 30, 2018 and the three months ended September 30, 2017.

Acquisition Costs. Acquisition-related costs were $0.5 million for the three months ended September 30, 2018 and a favorable adjustment of $0.1 million for the three months ended September 30, 2017. Costs were incurred for legal, accounting, tax, investment bank and advisor fees, and valuation services performed by third parties in connection with merger and acquisition-related activities.

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Adjustment to Fair Value of Contingent Consideration. An adjustment of $0.7 million was recorded during the three months ended September 30, 2018 which represents the net impact of the fair market value adjustment to the Southport revenue and earnings-based contingent consideration liability based on favorable performance compared to the original estimates in addition to the accretion of the fair value estimates for the revenue and earnings-based contingent consideration related to the acquisitions of Southport and Stone Temple. An adjustment of $0.4 million was recorded during the three months ended September 30, 2017 which represents the net impact of the fair market value adjustments to the RAS revenue and earnings-based contingent consideration liability partially offset by the accretion of the fair value estimate for the revenue and earnings-based contingent consideration related to the acquisition of Bluetube, LLC (“Bluetube”) and Clarity.

Provision for Income Taxes. We provide for federal, state and foreign income taxes at the applicable statutory rates adjusted for non-deductible expenses. Our effective tax rate decreased to 25.3% for the three months ended September 30, 2018 from 33.3% for the three months ended September 30, 2017. The decrease in the effective rate is primarily due to the passage of the 2017 Tax Act, which lowered the U.S. corporate income tax rate beginning in 2018.

Nine months endedSeptember 30, 2018 compared to nine months endedSeptember 30, 2017

Revenues. Total revenues increased 4% to $366.7 million for the nine months ended September 30, 2018 from $351.8 million for the nine months ended September 30, 2017.

	Financial Results (in thousands)							Explanation for Increases (Decreases) Over Prior Year Period (in thousands)
	Nine Months Ended September 30,				Total Increase/ (Decrease) Over Prior Year Period			Increase Attributable to Acquired Companies		Increase/ (Decrease) Attributable to Base Business
	2018		2017
Services revenues	$	363,986	$	329,192	$	34,794		$	27,171	$	7,623
Software and hardware revenues	2,686		22,591		(19,905		)	12		(19,917		)
Total revenues	$	366,672	$	351,783	$	14,889		$	27,183	$	(12,294	)

Services revenues increased 11% to $364.0 million for the nine months ended September 30, 2018 from $329.2 million for the nine months ended September 30, 2017. Services revenues attributable to our base business increased by $7.6 million while services revenues attributable to acquired companies was $27.2 million, resulting in a total increase of $34.8 million.

Software and hardware revenues decreased 88% to $2.7 million for the nine months ended September 30, 2018 from $22.6 million for the nine months ended September 30, 2017, as a result of the net presentation of third party software and hardware sales upon adoption of ASU No. 2014-09.

Cost of Revenues (exclusive of depreciation and amortization, discussed separately below). Cost of revenues increased 2% to $238.0 million for the nine months ended September 30, 2018 from $233.7 million for the nine months ended September 30, 2017.  Cost of services increased 11% to $238.0 million for the nine months ended September 30, 2018 from $214.9 million for the nine months ended September 30, 2017 primarily due to higher headcount in response to higher services revenue and acquisitions. Services costs as a percent of services revenues increased to 65.4% for the nine months ended September 30, 2018 from 65.3% for the nine months ended September 30, 2017 primarily driven by a decline in the average bill rate. The average bill rate for our professionals decreased to $124 per hour for the nine months ended September 30, 2018 from $126 per hour for the nine months ended September 30, 2017 primarily due to a decrease in the average bill rate of subcontractors. Software and hardware costs decreased to zero for the nine months ended September 30, 2018 from $18.9 million for the nine months ended September 30, 2017, as a result of the net presentation of third party software and hardware sales upon adoption of ASU No. 2014-09.

Selling, General and Administrative. SG&A expenses increased 9% to $85.9 million for the nine months ended September 30, 2018 from $78.9 million for the nine months ended September 30, 2017, primarily due to increases in salaries, bonus costs, office costs, training costs and professional fees.  SG&A expenses, as a percentage of service revenues,  decreased to 23.6% for the nine months ended September 30, 2018 from 24.0% for the nine months ended September 30, 2017, primarily due to higher service revenues.

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Depreciation. Depreciation expense decreased 15% to $3.1 million for the nine months ended September 30, 2018 from $3.6 million for  the nine months ended September 30, 2017. Depreciation expense as a percentage of revenues was 0.8% for the nine months ended September 30, 2018 and 1.0% for the nine months ended September 30, 2017.

Amortization. Amortization expense increased 8% to $12.0 million for the nine months ended September 30, 2018 from $11.1 million for the nine months ended September 30, 2017. The increase in amortization expense was due to the addition of intangible assets from the Stone Temple acquisition in the third quarter of 2018, the Southport acquisition in the second quarter of 2018 and the Clarity acquisition late in the second quarter of 2017. Amortization expense as a percentage of revenues was 3.3% for the nine months ended September 30, 2018 and 3.2% for the nine months ended September 30, 2017.

Acquisition Costs. Acquisition-related costs were $1.3 million for the nine months ended September 30, 2018 and $1.3 million for the nine months ended September 30, 2017. Costs were incurred for legal, accounting, tax, investment bank and advisor fees, and valuation services performed by third parties in connection with merger and acquisition-related activities.

Adjustment to Fair Value of Contingent Consideration. An adjustment of $1.8 million was recorded during the nine months ended September 30, 2018 which represents the net impact of the fair market value adjustment to the Clarity and Southport revenue and earnings-based contingent consideration liability based on favorable performance compared to the original estimates in addition to the accretion of the fair value estimate for the revenue and earnings-based contingent consideration related to the acquisition of Clarity, Southport and Stone Temple. An adjustment of $0.8 million was recorded during the nine months ended September 30, 2017 which represented the net impact of the positive and negative fair market value adjustments to the Bluetube and RAS revenue and earnings-based contingent consideration liability, respectively, in addition to the accretion of the fair value estimate for the revenue and earnings-based contingent consideration related to the acquisitions of Bluetube and Clarity.

Provision for Income Taxes. We provide for federal, state and foreign income taxes at the applicable statutory rates adjusted for non-deductible expenses. Our effective tax rate decreased to 25.0% for the nine months ended September 30, 2018 from 46.4% for the nine months ended September 30, 2017. The decrease in the effective rate is primarily due to the passage of the 2017 Tax Act, which lowered the U.S. corporate income tax rate beginning in 2018, as well as the one-time tax impact of the determination in the second quarter of 2017 that the foreign earnings of the Company's Chinese subsidiary were no longer permanently reinvested.

Liquidity and Capital Resources

Selected measures of liquidity and capital resources are as follows (in millions):

	As of September 30, 2018		As of December 31, 2017
Cash and cash equivalents (1)	$	44.9	$	6.3
Working capital (including cash and cash equivalents) (2)	$	106.3	$	67.9
Amounts available under credit facility	$	124.8	$	69.7

(1) The balance at September 30, 2018 includes $5.6 million held by our Canadian, Indian and United Kingdom subsidiaries which is not available to fund domestic operations unless the funds would be repatriated.  We currently do not plan or foresee a need to repatriate such funds. The balance at September 30, 2018 includes $1.8 million held by our Chinese subsidiary. During the year ended December 31, 2017, the Company determined that the Chinese subsidiary’s earnings were no longer permanently reinvested and may repatriate available earnings from time to time.  See Note 11, Income Taxes, in the Notes to Interim Unaudited Condensed Consolidated Financial Statements for further details.

(2) Working capital is total current assets less total current liabilities.

Net Cash Provided By Operating Activities

Net cash provided by operating activities for the nine months ended September 30, 2018 was $42.8 million compared to $30.1 million for the nine months endedSeptember 30, 2017.  For the nine months ended September 30, 2018, the primary components of operating cash flows were net income of $17.1 million, non-cash charges of $29.3 million and net operating asset investments of $3.6 million. For the nine months endedSeptember 30, 2017, the primary components of operating cash flows were net income of $12.1 million, non-cash charges of $25.7 million and net operating asset investments of $7.7 million.

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Net Cash Used In Investing Activities

During the nine months ended September 30, 2018, we used $3.7 million to purchase property and equipment and to develop certain software and $21.2 million for the acquisitions of Southport and Stone Temple. During the nine months ended September 30, 2017, we used $3.3 million to purchase property and equipment and to develop certain software and $37.9 million for the acquisitions of RAS and Clarity.

Net Cash Provided By Financing Activities

During the nine months ended September 30, 2018, we received $139.4 million of proceeds from the issuance of 2.375% Convertible Senior Notes Due 2023 (the “Notes”), net of issuance costs, received $12.1 million of proceeds from the sale of net-share-settled warrants ( the “Notes Warrants”) and paid $20.7 million for privately negotiated convertible note hedge transactions (“Notes Hedges”). We drew down $161.0 million from our line of credit, repaid $216.0 million on our line of credit, used $51.8 million to repurchase shares of our common stock through the stock repurchase program, used $2.9 million to remit taxes withheld as part of a net share settlement of restricted stock vesting, and we received proceeds from sales of stock through the Employee Stock Purchase Plan of $0.1 million. During the nine months ended September 30, 2017, we drew down$223.5 million from our line of credit and we received proceeds from sales of stock through the Employee Stock Purchase Plan of $0.1 million.  We repaid $190.5 million on our line of credit, used $24.0 million to repurchase shares of our common stock through the stock repurchase program and used $2.5 million to remit taxes withheld as part of a net share settlement of restricted stock vesting.  We also paid $3.3 million to settle the contingent consideration for the purchase of Market Street, Enlighten and Bluetube and made $0.4 million in payments for credit facility financing fees.

Availability of Funds from Bank Line of Credit Facility

On June 9, 2017, we entered into a Credit Agreement, as amended (the “Credit Agreement”), with Wells Fargo Bank, National Association, as administrative agent and the other lenders parties thereto. The Credit Agreement provides for revolving credit borrowings up to a maximum principal amount of $125.0 million, subject to a commitment increase of $75.0 million. All outstanding amounts owed under the Credit Agreement become due and payable no later than the final maturity date of June 9, 2022.

The Credit Agreement also allows for the issuance of letters of credit in the aggregate amount of up to $10.0 million at any one time; outstanding letters of credit reduce the credit available for revolving credit borrowings. As of September 30, 2018, the Company had one outstanding letter of credit for $0.2 million. Substantially all of our assets are pledged to secure the credit facility.

Borrowings under the Credit Agreement bear interest at our option of the prime rate (5.25% on September 30, 2018) plus a margin ranging from 0.00% to 0.50% or one-month LIBOR (2.26% on September 30, 2018) plus a margin ranging from 1.00% to 1.75%.  We incur an annual commitment fee of 0.15% to 0.20% on the unused portion of the line of credit. The additional margin amount is dependent on the level of outstanding borrowings. As of September 30, 2018, we had $124.8 million of maximum borrowing capacity.

At September 30, 2018, the Company was in compliance with all covenants under the Credit Agreement.

Stock Repurchase Program

Prior to 2018, the Company's Board of Directors authorized the repurchase of up to $135.0 million of Company common stock. On February 20, 2018, the Board of Directors authorized the expansion of the stock repurchase program by authorizing the repurchase of up to an additional $25.0 million of Company common stock and extended the expiration date of the program from December 31, 2018 to December 31, 2019. On August 15, 2018, the Board of Directors authorized an additional $75.0 million, for a total repurchase program of $235.0 million. The program could be suspended or discontinued at any time, based on market, economic, or business conditions. The timing and amount of repurchase transactions will be determined by management based on its evaluation of market conditions, share price, and other factors. Since the program’s inception on August 11, 2008, the Company has repurchased approximately $186.8 million (14.2 million shares) of outstanding common stock through September 30, 2018.

From time to time, we establish a written trading plan in accordance with Rule 10b5-1 of the Exchange Act, pursuant to which we make a portion of our stock repurchases. Additional repurchases will be at times and in amounts as the Company deems

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appropriate and will be made through open market transactions in compliance with Rule 10b-18 of the Exchange Act, subject to market conditions, applicable legal requirements, and other factors.

Contractual Obligations

There were no material changes outside the ordinary course of our business in lease obligations in the first nine months of 2018. See Note 14, Commitments and Contingencies in the Notes to Interim Condensed Consolidated Financial Statements for further description of our contractual obligations.

As of September 30, 2018, there was no balance outstanding under the Credit Agreement as compared to $55.0 million as of  December 31, 2017. Balances outstanding under the Credit Agreement are classified as “Long-term debt” within the Condensed Consolidated Balance Sheet and will become due and payable no later than the final maturity date of June 9, 2022. Additionally, there were $119.0 million of outstanding Notes, net of unamortized debt discounts and issuance costs, as of September 30, 2018 compared to zero as of  December 31, 2017. The amount is classified as “Long-term debt” within the Condensed Consolidated Balance Sheets as of September 30, 2018 (unaudited) and will become due and payable no later than the final maturity date of September 15, 2023.

Off Balance Sheet Arrangements

We do not have any off-balance sheet arrangements that have or are reasonably likely to have a current or future effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that are material to investors.

Conclusion

Of the total cash and cash equivalents reported on the Consolidated Balance Sheet as of September 30, 2018 (unaudited) of $44.9 million, $5.6 million was held by the Company’s Canadian, Indian and United Kingdom subsidiaries and is considered to be indefinitely reinvested in those operations. The Company is able to fund its liquidity needs outside of these subsidiaries, primarily through cash flows generated by domestic operations and our credit facility, as well as the proceeds from the Notes issuance in the third quarter of 2018. Therefore, the Company has no current plans to repatriate cash from these foreign subsidiaries in the foreseeable future. As of September 30, 2018, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $8.7 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.5 million. As of September 30, 2018, $1.8 million of the total cash and cash equivalents was held by the Company's Chinese subsidiary. During the year ended December 31, 2017, the Company determined that the Chinese subsidiary's earnings were no longer permanently reinvested and may repatriate available earnings from time to time. See Note 11, Income Taxes, in the Notes to Interim Unaudited Condensed Consolidated Financial Statements for further details.

We believe that the currently available funds, access to capital from our credit facility, and cash flows generated from operations will be sufficient to meet our working capital requirements and other capital needs for the next 12 months.

Critical Accounting Policies

Our accounting policies are fully described in Note 2, Summary of Significant Accounting Policies, to our Consolidated Financial Statements in our Annual Report on Form 10-K for the year ended December 31, 2017 and Note 4, Revenue, to our Interim Unaudited Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for the three and nine months ended September 30, 2018. We believe our most critical accounting policies include revenue recognition, purchase accounting and related fair value measurements and accounting for income taxes.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

We are exposed to market risks related to changes in foreign currency exchange rates and interest rates. We believe our exposure to market risks is immaterial.

Exchange Rate Sensitivity

We are exposed to market risks associated with changes in foreign currency exchange rates because we generate a portion of our revenues and incur a portion of our expenses in currencies other than the U.S. dollar.  As of September 30, 2018, we were exposed to changes in exchange rates between the U.S. dollar and the Canadian dollar, Chinese Yuan, Indian Rupee, British Pound,

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and Euro. We hedge material foreign currency exchange rate exposures when feasible using forward contracts. These instruments are subject to fluctuations in foreign currency exchange rates and credit risk. Credit risk is managed through careful selection and ongoing evaluation of the financial institutions utilized as counter parties. Refer to Note 12, Derivatives, in the Notes to Interim Unaudited Condensed Consolidated Financial Statements for further discussion.

Interest Rate Sensitivity

As of September 30, 2018, there was no outstanding balance and $124.8 million of available borrowing capacity under our credit facility. To the extent we have outstanding borrowings under the credit facility, our interest expense will fluctuate as the interest rate for the line of credit floats based, at our option, on the prime rate plus a margin or the one-month LIBOR rate plus a margin.

During the third quarter of 2018, we issued Notes which have a fixed interest rate of 2.375%. The fair value of the Notes may increase or decrease for various reasons, including fluctuations in the market price of our common stock, fluctuations in market interest rates and fluctuations in general economic conditions. Based upon the quoted market price as of September 30, 2018, the fair value of the Notes was approximately $136.0 million

We had unrestricted cash and cash equivalents totaling $44.9 million at September 30, 2018 and $6.3 million at December 31, 2017. The unrestricted cash and cash equivalents are primarily held for working capital purposes. We do not enter into investments for trading or speculative purposes.

Item 4.  Controls and Procedures

The Company maintains disclosure controls and procedures that are designed to ensure that information required to be disclosed in the Company’s reports under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management, including the principal executive officer and principal financial officer of the Company, as appropriate, to allow timely decisions regarding required disclosure. The Company’s management, with the participation of the Company’s principal executive officer and principal financial officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this Form 10-Q. Based on that evaluation, the Company’s principal executive and principal financial officers have determined that the Company’s disclosure controls and procedures were effective.

As part of the adoption of ASC Topic 606, the Company implemented changes to our control activities related to revenue recognition to ensure adequate evaluation of our contracts and proper assessment of the impact of the new accounting standard.  There were no significant changes in the Company’s internal control over financial reporting due to the adoption of the new standard, and no other changes in our internal control over financial reporting as defined in Exchange Act Rule 13a-15(f) during the three and nine months ended September 30, 2018, that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1A.  Risk Factors

In evaluating all forward-looking statements, you should specifically consider various risk factors that may cause actual results to vary from those contained in the forward-looking statements. In addition to the following, our risk factors are described in our Annual Report on Form 10-K for the year ended December 31, 2017, as filed with the SEC on March 1, 2018 and available at www.sec.gov.

Servicing our debt may require a significant amount of cash. We may not have sufficient cash flow from our business to pay our indebtedness, and we may not have the ability to raise the funds necessary to settle for cash conversions of the Notes or to repurchase the Notes for cash upon a fundamental change, which could adversely affect our business and results of operations.

In September 2018, we issued $143.8 million in aggregate principal amount of the Notes in a private offering. The Notes bear interest at a rate of 2.375% per year. Interest is payable in cash on March 15 and September 15 of each year, beginning March 15, 2019. Our ability to make scheduled payments of the principal of, to pay interest on or to refinance our indebtedness, including the Notes, depends on our future performance, which is subject to economic, financial, competitive and other factors beyond our control. Our business may not generate cash flows from operations in the future that are sufficient to service our debt and make necessary capital expenditures. If we are unable to generate such cash flows, we may be required to adopt one or more alternatives, such as selling assets, restructuring debt or obtaining additional debt financing or equity capital on terms that may be onerous or highly dilutive. Our ability to refinance any future indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations.

Holders of the Notes have the right to require us to repurchase their notes upon the occurrence of a fundamental change (as defined in the indenture governing the Notes) at a cash repurchase price equal to the principal amount of the Notes to be repurchased, plus accrued and unpaid interest, if any. Upon conversion, unless we elect to deliver solely shares of our common stock to settle such conversion (other than paying cash in lieu of delivering any fractional share), we will be required to make cash payments in respect of the Notes being converted. We may not have enough available cash or be able to obtain financing at the time we are required to make repurchases in connection with such conversion and our ability to pay may additionally be limited by law, by regulatory authority or by agreements governing our future indebtedness. Our failure to repurchase the Notes at a time when the repurchase is required by the indenture governing the Notes or to pay any cash payable on future conversions as required by the indenture would constitute a default under the indenture. A default under the indenture or the fundamental change itself could also lead to a default under agreements governing our future indebtedness. If the repayment of the related indebtedness were to be accelerated after any applicable notice or grace periods, we may not have sufficient funds to repay the indebtedness and repurchase the Notes or make cash payments upon conversions thereof.

The conditional conversion feature of the Notes, if triggered, may adversely affect our financial condition and operating results.

In the event the conditional conversion feature of the Notes is triggered, holders of Notes will be entitled to convert the Notes at any time during specified periods at their option. If one or more holders elect to convert their Notes, unless we elect to satisfy our conversion obligation by delivering solely shares of our common stock (other than paying cash in lieu of delivering any fractional share), we would be required to settle a portion or all of our conversion obligation through the payment of cash, which could adversely affect our liquidity. In addition, even if holders do not elect to convert their Notes, we could be required under applicable accounting rules to reclassify all or a portion of the outstanding principal of the Notes as a current rather than long-term liability, which would result in a material reduction of our net working capital.

Transactions relating to our Notes may affect the value of our common stock.

The conversion of some or all of the Notes would dilute the ownership interests of existing stockholders to the extent we satisfy our conversion obligation by delivering shares of our common stock upon any conversion of such Notes. Our Notes may become in the future convertible at the option of their holders under certain circumstances. If holders of our Notes elect to convert their notes, we may settle our conversion obligation by delivering to them a significant number of shares of our common stock, which would cause dilution to our existing stockholders.

In addition, in connection with the issuance of the Notes, we entered into the privately negotiated Notes Hedges with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”).  If the Company exercises the Notes Hedges, the aggregate amount of cash received from the Option Counterparties will cover the aggregate amount of cash that the Company would be required to pay to the holders of the Notes, less the principal amount thereof.

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Also in connection with the issuance of the Notes, we sold net-share-settled warrants (the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The Notes Hedges and Notes Warrants are expected generally to reduce the potential dilution to our common stock upon any conversion or settlement of the Notes and/or offset any cash payments we are required to make in excess of the principal amount of converted Notes, as the case may be, with such reduction and/or offset subject to a cap.

We are subject to counterparty risk with respect to the Notes Hedges.

The Option Counterparties are financial institutions, and we will be subject to the risk that one or more of the Option Counterparties might default under their respective convertible note hedge transactions. Our exposure to the credit risk of the Option Counterparties will not be secured by any collateral. Recent global economic conditions have resulted in the actual or perceived failure or financial difficulties of many financial institutions, including the bankruptcy filing by Lehman Brothers Holdings Inc. and its various affiliates. If any Option Counterparty becomes subject to insolvency proceedings, we will become an unsecured creditor in those proceedings with a claim equal to our exposure at that time under our transactions with such Option Counterparty.

Our exposure will depend on many factors, but, generally, the increase in our exposure will be correlated to the increase in the market price and in the volatility of our common stock. In addition, upon a default by any Option Counterparty, we may suffer adverse tax consequences and more dilution than we currently anticipate with respect to our common stock. We can provide no assurances as to the financial stability or viability of any of the Option Counterparties.

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

Issuer Purchases of Securities

Stock Repurchase Program

Prior to 2018, the Company's Board of Directors authorized the repurchase of up to $135.0 million of Company common stock. On February 20, 2018, the Board of Directors authorized the expansion of the stock repurchase program by authorizing the repurchase of up to an additional $25.0 million of Company common stock and extended the expiration date of the program from December 31, 2018 to December 31, 2019. On August 15, 2018, the Board of Directors authorized an additional $75.0 million, for a total repurchase program of $235.0 million. The program could be suspended or discontinued at any time, based on market, economic, or business conditions. The timing and amount of repurchase transactions will be determined by management based on its evaluation of market conditions, share price, and other factors. Since the program’s inception on August 11, 2008, the Company has repurchased approximately $186.8 million (14.2 million shares) of outstanding common stock through September 30, 2018.

From time to time, we establish a written trading plan in accordance with Rule 10b5-1 of the Exchange Act, pursuant to which we make a portion of our stock repurchases. Additional repurchases will be at times and in amounts as the Company deems appropriate and will be made through open market transactions in compliance with Rule 10b-18 of the Exchange Act, subject to market conditions, applicable legal requirements, and other factors.

Period	Total Number of Shares Purchased	Average Price Paid Per Share (1)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
Beginning balance as of June 30, 2018	12,807,569	$	11.34	12,807,569	$	14,786,420
July 1-31, 2018	—	$	—	—	$	14,786,420
August 1-31, 2018	50,228	$	27.65	50,228	$	13,397,665
September 1-30, 2018	1,336,122	$	30.08	1,336,122	$	48,208,814
Ending balance as of September 30, 2018	14,193,919	$	13.16	14,193,919

(1) Average price paid per share includes commission.

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Unregistered Sales of Securities

On July 16, 2018, the Company acquired substantially all of the assets of Stone Temple. The consideration paid in this transaction included 48,360 shares of Company common stock issued at closing with an aggregate value of approximately $1.3 million based on the average closing sales price for the 30 consecutive trading days ending on the date immediately before the acquisition’s closing date. We relied on Section 4(a)(2) of the Securities Act, as the basis for exemption from registration for this issuance.  These shares were issued in a privately negotiated transaction and not pursuant to a public solicitation.

Item 5. Other Information

None.

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EXHIBITS INDEX

Exhibit Number	Description
3.1	Certificate of Incorporation of Perficient, Inc., previously filed with the Securities and Exchange Commission as an Exhibit to our Registration Statement on Form SB-2 (File No. 333-78337) declared effective on July 28, 1999 by the Securities and Exchange Commission and incorporated herein by reference
3.2	Certificate of Amendment to Certificate of Incorporation of Perficient, Inc., previously filed with the Securities and Exchange Commission as an Exhibit to our Form 8-A (File No. 000-51167) filed with the Securities and Exchange Commission pursuant to Section 12(g) of the Securities Exchange Act of 1934 on February 15, 2005 and incorporated herein by reference
3.3	Certificate of Amendment to Certificate of Incorporation of Perficient, Inc., previously filed with the Securities and Exchange Commission as an Exhibit to our Registration Statement on Form S-8 (File No. 333-130624) filed on December 22, 2005 and incorporated herein by reference
3.4	Certificate of Amendment to Certificate of Incorporation of Perficient, Inc., previously filed with the Securities and Exchange Commission as an Exhibit to our Quarterly Report on Form 10-Q (File No. 001-15169) filed August 3, 2017 and incorporated herein by reference
3.5	Amended and Restated Bylaws of Perficient, Inc., previously filed with the Securities and Exchange Commission as an Exhibit to our Annual Report on Form 10-K for the year ended December 31, 2012 (File No. 001-15169) filed March 7, 2013 and incorporated herein by reference
4.1	Specimen Certificate for shares of Perficient, Inc. common stock , previously filed with the Securities and Exchange Commission as an Exhibit to our Quarterly Report on Form 10-Q (File No. 001-15169) filed May 7, 2009 and incorporated herein by reference
4.2	Indenture, dated September 11, 2018, between Perficient, Inc. and U.S. Bank National Association, as trustee, relating to the Company’s 2.375% Convertible Senior Notes due 2023, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K (File No. 001-15169) filed September 11, 2018 and incorporated herein by reference
4.3	Form of 2.375% Convertible Senior Notes due 2023, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K (File No. 001-15169) filed September 11, 2018 and incorporated herein by reference
10.1	Employment Agreement with Chief Operating Officer of Perficient, Inc., effective as of November 1, 2018.
10.2	Purchase Agreement, dated September 5, 2018, among Perficient, Inc., Jefferies LLC and Nomura Securities International, Inc., as representatives of the initial purchasers named therein, relating to the Company’s 2.375% Convertible Senior Notes due 2023, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K (File No. 001-15169) filed September 11, 2018 and incorporated herein by reference
10.3	Form of Convertible Note Hedge Transaction Confirmation, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K (File No. 001-15169) filed September 11, 2018 and incorporated herein by reference
10.4	Form of Warrant Transaction Confirmation, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K (File No. 001-15169) filed September 11, 2018 and incorporated herein by reference
31.1*	Certification by the Chief Executive Officer of Perficient, Inc. as required by Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification by the Chief Financial Officer of Perficient, Inc. as required by Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification by the Chief Executive Officer and Chief Financial Officer of Perficient, Inc. pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101*	The following financial information from Perficient, Inc.'s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2018, formatted in XBRL (eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets as of September 30, 2018 (Unaudited) and December 31, 2017, (ii) Unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2018 and 2017, (iii) Unaudited Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2018 and 2017, (iv) Unaudited Condensed Consolidated Statement of Shareholders' Equity for the nine months ended September 30, 2018, (v) Unaudited Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2018 and 2017, and (vi) the Notes to Interim Unaudited Condensed Consolidated Financial Statements
*	Filed herewith.
**	Included but not to be considered "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section.

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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.

	PERFICIENT, INC.
Date: November 1, 2018	By:	/s/ Jeffrey S. Davis
		Jeffrey S. Davis
		Chief Executive Officer (Principal Executive Officer)

Date: November 1, 2018	By:	/s/ Paul E. Martin
		Paul E. Martin
		Chief Financial Officer (Principal Financial Officer)

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EX-10.1

EXHIBIT 10.1

EMPLOYMENT AGREEMENT

THIS EMPLOYMENT AGREEMENT (this “Agreement”), by and between Perficient, Inc., a Delaware corporation, (the “Company”) and Thomas J. Hogan (“Employee”), is dated October 30, 2018 and is effective as of November 1, 2018.

WITNESSETH:

WHEREAS, the Company desires that Employee continue to be employed by it and render services to it, and Employee is willing to be so employed and to render such services to the Company, all upon the terms and subject to the conditions contained herein in consideration for, among other things, the Company’s agreement to provide Employee with Confidential Information pursuant to the terms of this Agreement, and Employee’s receipt of Confidential Information pursuant to a relationship of trust and confidence and under conditions of confidentiality and non-use and non-disclosure.

NOW, THEREFORE, in consideration of the mutual covenants and agreements contained herein, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

1. EMPLOYMENT. Subject to and upon the terms and conditions contained in this Agreement, the Company hereby agrees to continue to employ Employee and Employee agrees to continue in the employ of the Company, for the period set forth in paragraph 2 hereof, to render to the Company, its affiliates and/or subsidiaries the services described in paragraph 3 hereof.

2. TERM. Employee’s term of employment under this Agreement shall commence as of the effective date hereof and continue through and end on December 31, 2020, unless extended in writing by mutual agreement of the parties or earlier terminated pursuant to the terms and conditions set forth herein (the “Employment Term”).

3. DUTIES.

(a) Employee shall serve as the Chief Operating Officer of the Company, reporting directly to the Chief Executive Officer of the Company (the “CEO”). Employee shall perform all duties and services incident to the positions held by him.

(b) Employee shall abide by all by-laws and policies of the Company promulgated from time to time by the Company.

4. BEST EFFORTS. Employee shall devote his full business time and attention, as well as his best efforts, energies and skill, to the discharge of the duties and responsibilities attributable to his position.

5. COMPENSATION.

(a) As compensation for his services and covenants hereunder, Employee shall receive a base salary (“Base Salary”), payable pursuant to the Company’s normal payroll procedures in place from time to time, at the rate of $410,000.00 per annum, less all necessary and required federal, state and local payroll deductions. The CEO may decide, in his sole discretion, to increase Employee’s Base Salary from time to time during the term of this Agreement, with the approval of the Board of Directors or the Compensation Committee of the Board of Directors (the “Compensation Committee”), in which case any such Base Salary as so adjusted shall thereafter constitute the Base Salary.

(b) Subject to the terms of this Agreement, Employee shall be entitled to participate in any stock option, restricted stock or other equity long-term incentive compensation plan, program or arrangement generally made available to the Company’s executive officers on substantially the same terms and conditions as generally apply to such other officers, except that the size of the awards made to Employee shall reflect Employee’s position with the Company and the Compensation Committee’s evaluation of Employee’s performance and competitive compensation practices. For each calendar year, Employee shall be eligible to participate in the Company’s annual incentive plan for executives. Under this plan, Employee will be eligible to receive a bonus of up to one hundred fifty percent (150%) of his Base Salary, with the “Target Bonus” being set at one hundred percent (100%) of his Base Salary, less all necessary and required federal, state and local payroll deductions. The criteria for determining the amount of the bonus, and the conditions that must be satisfied to entitle Employee to receive the bonus for any year during the term of this Agreement shall be determined by the CEO in his sole discretion, with the approval of the Board of Directors or the Compensation Committee, but in a manner consistent with that used to determine Employee’s bonus in prior years. The actual earned annual cash incentive, if any, payable to Employee for any performance period will depend upon the extent to which the applicable performance goals are achieved and will be decreased or increased for under or over performance. Payment of any

incentive or bonus to Employee shall be in accordance with bonus policies established from time to time by the Company. Such incentive or bonus will be paid not later than the March 15 immediately following the end of the calendar year to which the incentive or bonus relates. The CEO may decide, in his sole discretion, to adjust Employee’s Target Bonus during the term of this Agreement, with the approval of the Board of Directors or the Compensation Committee, in which case any such Target Bonus as so adjusted shall thereafter constitute the Target Bonus.

6. EXPENSES. Employee shall be reimbursed for business expenses incurred by him which are reasonable and necessary for Employee to perform his duties under this Agreement in accordance with policies established from time to time by the Company. Employee shall receive reimbursement for other expenses consistent with past practice and as approved by the CEO. The reimbursement of any such expense that is includible in gross income for federal income tax purposes shall be paid no later than the end of the calendar year following the calendar year in which the expense was incurred.

7. EMPLOYEE BENEFITS.

(a) During the Employment Term and (subject to the provisions and conditions of subparagraph 9(e)) any severance period hereunder provided for in subparagraph 9(b), Employee shall be entitled to participate in such group term insurance, disability insurance, health and medical insurance benefits and retirement plans or programs as are from time to time generally made available to executive employees of the Company pursuant to the policies of the Company; provided that Employee shall be required to comply with the conditions attendant to coverage by such plans and shall comply with and be entitled to benefits only to the extent former employees are eligible to participate in such arrangements pursuant to the terms of the arrangement, any insurance policy associated therewith and applicable law, and, further, shall be entitled to benefits only in accordance with the terms and conditions of such plans. The Company may withhold from any benefits payable to Employee all federal, state, local and other taxes and amounts as shall be permitted or required to be withheld pursuant to any applicable law, rule or regulation.

(b) Employee shall be entitled to vacation in accordance with the Company’s policies as may be established from time to time by the Company for its executive employees, which shall be taken at such time or times as shall be mutually agreed upon with the Company.

8. DEATH AND DISABILITY.

(a) The Employment Term shall terminate on the date of Employee’s death, in which event the Company shall, within 30 days of the date of death, pay to his estate, Employee’s Base Salary, any unpaid bonus awards (including any bonus award for a plan year that has ended prior to the time employment terminated where the award was scheduled to be paid after the date employment terminated), reimbursable expenses and benefits owing to Employee through the date of Employee’s death together with any benefits payable under any life insurance program in which Employee is a participant. Except as otherwise contemplated by this Agreement, Employee’s estate will not be entitled to any other compensation upon termination of this Agreement pursuant to this subparagraph 8(a).

(b) The Employment Term shall terminate upon Employee’s Disability. For purposes of this Agreement, “Disability” shall mean that Employee is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months. For purposes of determining Employee’s Disability, the CEO may rely on a determination by the Social Security Administration that Employee is totally disabled or a determination by the Company’s disability insurance carrier that Employee has satisfied the above definition of Disability. In case of such termination, Employee shall be entitled to receive his Base Salary, any unpaid bonus awards (including any bonus award for a plan year that has ended prior to the time employment terminated where the award was scheduled to be paid after the date employment terminated), reimbursable expenses and benefits owing to Employee through the date of termination within 30 days of the date of the Company’s determination of Employee’s Disability, together with any benefits payable under any disability insurance program in which Employee is a participant. Except as otherwise contemplated by this Agreement, Employee will not be entitled to any other compensation upon termination of his employment pursuant to this subparagraph 8(b).

(c) In no event will Employee or his estate have the discretion to determine the calendar year of payment.

9. TERMINATION OF EMPLOYMENT.

(a) The Company shall have the right, upon delivery of written notice to Employee, to terminate Employee’s employment hereunder at any time prior to the expiration of the Employment Term (i) pursuant to a Termination for Cause or (ii) pursuant to a Without Cause Termination. Employee shall have the right, upon delivery of written notice to the Company, to

terminate his employment hereunder at any time prior to the expiration of the Employment Term pursuant to a Constructive Termination or otherwise by providing the Company with not less than 30 days prior written notice.

(b) In the event that the Company terminates Employee’s employment pursuant to a Without Cause Termination, or if Employee voluntarily terminates his employment pursuant to a Constructive Termination, then the Company shall be obligated to pay Employee: (i) within 30 days of the date of Employee’s termination, in a lump-sum, his Base Salary, any unpaid bonus awards (not including any bonus award for a plan year that has ended prior to the time employment terminated where the award was scheduled to be paid after the date employment terminated), reimbursable expenses and benefits owing to Employee through the day on which Employee’s employment terminated, and (ii) (subject to the provisions and conditions of subparagraph 9(e)) 60 days after the date Employee’s employment terminates, a severance payment to Employee in an amount equal to 12 months of Base Salary. Subject to the provisions and conditions of subparagraph 9(e), Employee shall also be entitled to benefits pursuant to paragraph 7 hereof for the one year period commencing on the date of termination (with the cost of any medical coverage which is self-funded by the Company being included by Company in the taxable income of Employee); provided that all equity awards, including stock option grants and/or restricted stock grants, that would otherwise vest during such one year severance period will vest, regardless of the satisfaction of any conditions contained therein, and the rest shall be forfeited. Except as otherwise contemplated by this Agreement, Employee will not be entitled to any other compensation upon termination of this Agreement pursuant to this subparagraph 9(b).

Notwithstanding anything in this Agreement to the contrary (including but not limited to the provisions of paragraph 9(b) or paragraph 10), if Employee is a “specified employee,” as defined in Section 409A of the Internal Revenue Code (“Code”) and the regulations thereunder, on the date Employee’s employment is terminated, then amounts that constitute nonqualified deferred compensation subject to Code Section 409A that would otherwise have been paid during the six-month period immediately following the date Employee’s employment terminated shall be paid on the first regular payroll date immediately following the six-month anniversary of the date Employee’s employment terminates, with interest on each amount for the period of the delay at the rate of yield on U.S. Treasury Bills with the earliest maturity date that occurs at least six months after such date of termination of employment (as reported in the Wall Street Journal) from the such date of employment termination to the date of actual payment. Reimbursements or payments directly to the service provider for health care expenses incurred during such six-month period, plus reimbursements and in kind benefits in an amount up to the applicable dollar limit on elective deferrals to a 401(k) plan under Section 402(g)(1)(B) of the Code ($18,500 for 2018), and other amounts that do not constitute nonqualified deferred compensation subject to Section 409A, shall not be subject to this six-month delay requirement.

(c) In the event that the Company terminates Employee’s employment hereunder due to a Termination for Cause or Employee voluntarily terminates employment with the Company for any reason (other than a termination of employment by Employee pursuant to a Constructive Termination), Employee shall not be entitled to any severance, except that the Company shall be obligated to pay Employee his Base Salary, any unpaid bonus awards (not including any bonus award for a plan year that has ended prior to the time employment terminated where the award was scheduled to be paid after the date employment terminated), reimbursable expenses and benefits owing to Employee through the day on which Employee is terminated in a lump sum payment within 30 days after the date of Employee’s termination of employment. Except as otherwise contemplated by this Agreement, Employee will not be entitled to any other compensation upon termination of this Agreement pursuant to this subparagraph 9(c).

(d) For purposes of this Agreement, the following terms have the following meanings:

(i) The term “Termination for Cause” means, to the maximum extent permitted by applicable law, a termination of Employee’s employment by the Company attributed to (a) the repeated or willful failure of Employee to substantially perform his duties hereunder (other than any such failure due to physical or mental illness) that has not been cured reasonably promptly after a written demand for substantial performance is delivered to Employee by the CEO, which demand identifies the manner in which the CEO believes that Employee has not substantially performed his duties hereunder; (b) conviction of, or entering a plea of guilty or nolo contendere to a crime involving moral turpitude or dishonesty or to any other crime that constitutes a felony; (c) Employee’s intentional misconduct, gross negligence or material misrepresentation in the performance of his duties to the Company; or (d) the material breach by Employee of any written covenant or agreement with the Company under this Agreement or otherwise, including, but not limited to, an agreement not to disclose any information pertaining to the Company or not to compete with the Company, including (without limitation) the covenants and agreements contained in paragraph 11 hereof.

(ii) The term “Without Cause Termination” means a termination of Employee’s employment by the Company other than due to (a) a Termination for Cause, (b) Disability, (c) Employee’s death, or (d) the expiration of this Agreement (subject to the provisions of paragraph 10 (a)).

(iii)  The term “Constructive Termination” means Employee’s voluntary termination of his employment with the Company following (i) a material diminution in Employee’s base compensation, (ii) a material reduction of Employee’s performance-based target bonus or other incentive programs, (iii) a relocation of Employee’s place of employment by more than 50 miles without Employee’s consent, or (iv) a failure of Employer to renew the term of this Agreement following the expiration thereof, or to offer Employee employment under the terms and conditions of a replacement agreement, on terms and conditions no less favorable to Employee as under the then existing terms and conditions of this Agreement; in each case where the condition is not remedied / corrected by the Company within 30 days after Employee sends notice to the Company in writing specifying the reason why Employee claims there exists grounds for a Constructive Termination, and Employee sends the notice within ninety days of discovering the existence of the condition that gives rise to a right to claim a Constructive Termination. The parties acknowledge and agree that Employee is relocating to or near the metropolitan area of Company’s corporate headquarters in order to perform his duties as Chief Operating Officer under this Agreement and that such relocation will not be included in the definition of nor be construed to be a Constructive Termination. The parties agree that such relocation is voluntary and willful and that Employee has consented to such relocation.

(iv) The terms “termination of employment” or “terminate Employee’s employment” (or “termination” or “terminate” when used in the context of Employee’s employment), shall mean a separation from service with the Company and its affiliates as defined in IRS regulations under Section 409A of the Code. An affiliate is any corporation or other business entity that is, along with the Company, a member of a controlled group of businesses, as defined in Code Sections 414(b) and 414(c), provided that the language: “at least 50 percent” shall be used instead of “at least 80 percent” each place it appears in such definition. A corporation or other business entity is an affiliate only while a member of such controlled group.

(e) To be eligible to receive the severance payment described in subparagraph 9(b)(ii), and the post-termination benefits described in paragraph 7 and subparagraph 9(b): (i) Employee must execute and deliver to the Company within 45 days after the date Employee’s employment terminates, a separation agreement (“Separation Agreement”), as described below, in form and substance satisfactory to the Company, and including a general release and waiver of claims, and (ii) all conditions to the effectiveness of the Separation Agreement and the release and waiver granted therein have been satisfied, including but not limited to the expiration of any applicable time period to consider signing the Separation Agreement and the failure to revoke acceptance of the Separation Agreement within seven days after it is signed and delivered to the Company. The Separation Agreement will be in a form and substance satisfactory to the Company, include a release and waiver of all claims Employee may have against the Company and its subsidiaries, shareholders, successors and affiliates (and each of their respective employees, officers, directors, plans and agents) arising out of or based upon any facts or conduct occurring prior to the date the Separation Agreement is signed, include non-disparagement and confidentiality obligations on behalf of Employee, and include a provision by Employee reaffirming and agreeing to comply with the terms of this Agreement and any other agreement signed by Employee in favor of the Company or any of its subsidiaries or affiliates. The release will not include Employee’s right to enforce any post-employment obligations to Employee, including obligations of the Company under this Agreement, and any right to indemnification in Employee’s capacity as an officer, director or employee of the Company and its affiliates. The Separation Agreement will be prepared by the Company and provided to Employee at the time Employee’s employment is terminated or as soon as administratively practicable thereafter, not to exceed seven days after the date employment terminates. The conditions to payment set out in this subparagraph 9(e) shall not be required if the Company fails to provide some form of separation agreement to Employee within seven days after employment terminates. The Company will have no obligations to make the severance payment specified in subparagraph 9(b)(ii) or provide the post-termination benefits specified in subparagraph 9(b) or paragraph 7, if Employee does not sign and deliver the Separation Agreement to the Company within 45 days of its delivery to Employee, or revokes acceptance of the Separation Agreement within a period of seven days after delivery of the signed Separation Agreement to the Company.

(f) In no event will Employee have the discretion to determine the calendar year of payment.

10.  DISCLOSURE OF TRADE SECRETS AND OTHER PROPRIETARY INFORMATION; RESTRICTIVE COVENANTS.

(a) Employee acknowledges that he is bound by and will continue to comply with the terms of the Company’s Confidentiality and Intellectual Property Assignment Agreement (the “Confidentiality Agreement”). The Company will provide Employee with valuable confidential information belonging to the Company or its subsidiaries or affiliates above and beyond any confidential information previously received by Employee and will associate Employee with the goodwill of the Company or its subsidiaries or affiliates above and beyond any prior association of Employee with that goodwill. In return, Employee promises never to disclose or misuse such confidential information and never to misuse such goodwill. To enforce Employee’s promises in this regard, Employee agrees to comply with the provisions of this paragraph 10 and the provisions of the Confidentiality Agreement.

(b) Employee will not, during the Employment Term, directly or indirectly, as an employee, employer, consultant, agent, principal, partner, manager, stockholder, officer, director, or in any other individual or representative capacity, engage in

(or participate in any other business that is competitive with) the business of providing information technology software consulting services, providing the services of information technology professionals to other businesses, providing information technology services, and/or providing a customized / bundled IT software and services solution(s) (collectively referred to herein as “Perficient Business”). The ownership by Employee of 5% or less of the issued and outstanding shares of a class of securities which is traded on a national securities exchange or in the over-the-counter market, shall not cause Employee to be deemed a stockholder under this subparagraph 10(b) or constitute a breach of this subparagraph 10(b).

 (c) Employee will not, during the Employment Term and for a period of 36 months thereafter, directly or indirectly, work in the United States as an employee, employer, consultant, agent, principal, partner, manager, stockholder, officer, director, or in any other individual or representative capacity for any person or entity who is engaged in any part of the Perficient Business, or is competitive with any part of the Perficient Business. The ownership by Employee of 5% or less of the issued and outstanding shares of a class of securities which is traded on a national securities exchange or in the over-the-counter market, shall not cause Employee to be deemed a stockholder under this subparagraph 10(c) or constitute a breach of this subparagraph 10(c).

(d) Employee will not, during the Employment Term and for a period of 36 months thereafter, on his behalf or on behalf of any other business enterprise, directly or indirectly, under any circumstance other than at the direction and for the benefit of the Company, (i) solicit for employment or hire or recruit any person employed by the Company or any of its subsidiaries, or (ii) call on, solicit, or take away any person or entity who was a customer of the Company or any of its subsidiaries or affiliates during Employee’s employment with the Company, in either case for a business that is engaged in or competitive with any part of the Perficient Business.

(e) It is expressly agreed by Employee that the nature and scope of each of the provisions set forth above in this paragraph 10 are reasonable and necessary. If, for any reason, any aspect of the above provisions as they apply to Employee are determined by a court of competent jurisdiction to be unreasonable or unenforceable under applicable law, the applicable provisions shall be modified to the extent required to make the provisions enforceable. Employee acknowledges and agrees that his services are of unique character and expressly grants to the Company or any subsidiary or affiliate of the Company or any successor of any of them, the right to enforce the above provisions through the use of all remedies available at law or in equity, including, but not limited to, injunctive relief.

11. COMPANY PROPERTY.

(a) Any patents, inventions, discoveries, applications or processes designed, devised, planned, applied, created, discovered or invented by Employee during the Employment Term, regardless of when reduced to writing or practice, which pertain to any aspect of the Company’s or its subsidiaries’ or affiliates’ business as described above shall be the sole and absolute property of the Company, and Employee shall promptly report the same to the Company and promptly execute any and all documents that may from time to time reasonably be requested by the Company to assure the Company the full and complete ownership thereof.

(b) All records, files, lists, including computer generated lists, drawings, documents, equipment and similar items relating to the Company’s business which Employee shall prepare or receive from the Company shall remain the Company’s sole and exclusive property. Upon termination of this Agreement, Employee shall promptly return to the Company all property of the Company in his possession. Employee further represents that he will not copy or cause to be copied, print out or cause to be printed out any software, documents or other materials originating with or belonging to the Company. Employee additionally represents that, upon termination of his employment with the Company, he will not retain in his possession any such software, documents or other materials.

12. EQUITABLE RELIEF. It is mutually understood and agreed that Employee’s services are special, unique, unusual, extraordinary and of an intellectual character giving them a peculiar value, the loss of which cannot be reasonably or adequately compensated in damages in an action at law. Accordingly, in the event of any breach of this Agreement by Employee, including, but not limited to, the breach of any of the provisions of paragraphs 10 or 11 hereof, the Company shall be entitled to equitable relief by way of injunction or otherwise in addition to any damages which the Company may be entitled to recover.

13. CONSENT TO JURISDICTION AND VENUE. Employee hereby consents and agrees that state courts located in St. Louis County, Missouri and the United States District Court for the Eastern District of Missouri each shall have personal jurisdiction and proper venue with respect to any dispute between Employee and the Company. In any dispute with the Company, Employee will not raise, and hereby expressly waives, any objection or defense to any such jurisdiction as an inconvenient forum.

14. NOTICE. Except as otherwise expressly provided, any notice, request, demand or other communication permitted or required to be given under this Agreement shall be in writing, shall be sent by one of the following means to Employee at his

address set forth on the signature page of this Agreement and to the Company at 555 Maryville University Drive, Suite 600, St. Louis, MO 63141, Attention: Chief Executive Officer (or to such other address as shall be designated hereunder by notice to the other parties and persons receiving copies, effective upon actual receipt), and shall be deemed conclusively to have been given: (a) on the first business day following the day timely deposited with Federal Express (or other equivalent national overnight courier) or United States Express Mail, with the cost of delivery prepaid or for the account of the sender; (b) on the fifth business day following the day duly sent by certified or registered United States mail, postage prepaid and return receipt requested; or (c) when otherwise actually received by the addressee on a business day (or on the next business day if received after the close of normal business hours or on any non-business day).

15. INTERPRETATION; HEADINGS. The parties acknowledge and agree that the terms and provisions of this Agreement have been negotiated, shall be construed fairly as to all parties hereto, and shall not be construed in favor of or against any party. The paragraph headings contained in this Agreement are for reference purposes only and shall not affect the meaning or interpretation of this Agreement.

16. SUCCESSORS AND ASSIGNS; ASSIGNMENT; INTENDED BENEFICIARIES. Neither this Agreement, nor any of Employee’s rights, powers, duties or obligations hereunder, may be assigned by Employee. This Agreement shall be binding upon and inure to the benefit of Employee and his heirs and legal representatives and the Company and its successors. Successors of the Company shall include, without limitation, any corporation or corporations acquiring, directly or indirectly, all or substantially all of the assets of the Company, whether by merger, consolidation, purchase, lease or otherwise, and such successor shall thereafter be deemed “the Company” for the purpose hereof.

17. NO WAIVER BY ACTION. Any waiver or consent from the Company respecting any term or provision of this Agreement or any other aspect of Employee’s conduct or employment shall be effective only in the specific instance and for the specific purpose for which given and shall not be deemed, regardless of frequency given, to be a further or continuing waiver or consent. The failure or delay of the Company at any time or times to require performance of, or to exercise any of its powers, rights or remedies with respect to, any term or provision of this Agreement or any other aspect of Employee’s conduct or employment in no manner (except as otherwise expressly provided herein) shall affect the Company’s right at a later time to enforce any such term or provision.

18. COUNTERPARTS; MISSOURI GOVERNING LAW; AMENDMENTS; ENTIRE AGREEMENT; SURVIVAL OF TERMS. This Agreement may be executed in two counterpart copies, each of which may be executed by one of the parties hereto, but all of which, when taken together, shall constitute a single agreement binding upon all of the parties hereto. This Agreement and all other aspects of Employee’s employment shall be governed by and construed in accordance with the applicable laws pertaining in the State of Missouri (other than those that would defer to the substantive laws of another jurisdiction). Each and every modification and amendment of this Agreement shall be in writing and signed by the parties hereto, and any waiver of, or consent to any departure from, any term or provision of this Agreement shall be in writing and signed by each affected party hereto. This Agreement, the Confidentiality Agreement, and any award agreement or restricted stock award agreement between the Company and Employee contain the entire agreement of the parties and supersede all prior representations, agreements and understandings, oral or otherwise, between the parties with respect to the matters contained herein, including but not limited to any written offer letter or letter agreement concerning employment. In the event of any conflict between this Agreement and any award agreement or restricted stock award agreement, the terms of this Agreement shall control. Paragraphs 9 through 12 hereof (and paragraphs 13 through 18 hereof as they may apply to such paragraphs) shall survive the expiration or termination of this Agreement for any reason.

19. SECTION 409A COMPLIANCE. The parties intend that all provisions of this Agreement comply with the requirements of Code Section 409A or an exemption therefrom. No provision of this Agreement shall be operative to the extent that it will result in the imposition of the additional tax described in Code Section 409A(a)(1)(B)(i)(II), and the parties agree to revise the Agreement as necessary to comply with Section 409A and fulfill the purpose of the voided provision. Nothing in this Agreement shall be interpreted to permit accelerated payment of nonqualified deferred compensation, as defined in Section 409A, or any other payment in violation of the requirements of Section 409A. With respect to reimbursements that constitute taxable income to Employee, no such reimbursements or expenses eligible for reimbursement in any calendar year shall in any way affect the expenses eligible for reimbursement in any other calendar year and Employee’s right to reimbursement shall not be subject to liquidation in exchange for any other benefit. No provision of this Agreement shall be interpreted or construed to transfer any liability for failure to comply with the requirements of Section 409A from Employee or any other individual to the Company or any of its respective affiliates, employees or agents. All taxes associated with payments made to Employee pursuant to this Agreement, including any liability imposed under Section 409A, shall be borne by Employee.

[Signature page follows.]

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

PERFICIENT, INC.

By:/s/ Jeffrey S. Davis

Name: Jeffrey S. Davis

Title: Chief Executive Officer

/s/ Thomas J. Hogan

Thomas J. Hogan, Individually

EX-31.1

EXHIBIT 31.1

CERTIFICATIONS

I, Jeffrey S. Davis, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Perficient, 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(s) 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(s) 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: November 1, 2018	/s/ Jeffrey S. Davis
	Jeffrey S. Davis
	Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATIONS

I, Paul E. Martin, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Perficient, 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(s) 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(s) 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: November 1, 2018	/s/ Paul E. Martin
	Paul E. Martin,
	Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

Pursuant to 18 U.S.C. Sec. 1350 and in connection with the accompanying report on Form 10-Q for the period ended September 30, 2018, that contains financial statements of Perficient, Inc. (the “Company”) filed for such period and that is being filed concurrently with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company hereby certify that:

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.

Date: November 1, 2018	By:	/s/ Jeffrey S. Davis
		Jeffrey S. Davis
		Chief Executive Officer (Principal Executive Officer)

Date: November 1, 2018	By:	/s/ Paul E. Martin
		Paul E. Martin
		Chief Financial Officer (Principal Financial Officer)

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Oct. 25, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	PERFICIENT INC
Entity Central Index Key	0001085869
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		33,181,786
Trading Symbol	PRFT

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 44,947	$ 6,307
Accounts receivable, net	109,764	112,194
Prepaid expenses	4,303	4,470
Other current assets	2,212	6,237
Total current assets	161,226	129,208
Property and equipment, net	6,565	7,145
Goodwill	321,995	305,238
Intangible assets, net	49,821	51,066
Other non-current assets	9,662	6,403
Total assets	549,269	499,060
Current liabilities:
Accounts payable	10,801	23,196
Other current liabilities	44,172	38,077
Total current liabilities	54,973	61,273
Long-term debt, net	119,038	55,000
Other non-current liabilities	20,254	16,436
Total liabilities	194,265	132,709
STOCKHOLDERS' EQUITY ATTRIBUTABLE TO PARENT
Common stock (par value $.001 per share; 100,000,000 authorized; 47,999,384 shares issued and 31,920,534 shares outstanding as of September 30, 2018; 47,370,945 shares issued and 33,249,665 shares outstanding as of December 31, 2017)	48	47
Additional paid-in capital	431,510	403,906
Accumulated other comprehensive loss	(2,837)	(1,822)
Treasury stock, at cost (16,078,850 shares as of September 30, 2018; 14,121,280 shares as of December 31, 2017)	(218,891)	(163,871)
Retained earnings	145,174	128,091
Total stockholders’ equity	355,004	366,351
Total liabilities and stockholders’ equity	$ 549,269	$ 499,060

XML

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	100,000,000	100,000,000
Common Stock, shares issued	47,999,384	47,370,945
Common stock, shares outstanding (in shares)	31,920,534	33,249,665
Treasury Stock, shares	16,078,850	14,121,280

XML

Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Revenues	$ 123,933	$ 123,738	$ 366,672	$ 351,783
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Cost of Goods and Services Sold	79,183	81,139	238,004	233,718
Selling, general and administrative	29,322	27,072	85,945	78,884
Depreciation	995	1,123	3,057	3,587
Amortization	4,009	3,936	12,029	11,098
Acquisition costs	497	(100)	1,337	1,283
Adjustment to fair value of contingent consideration	666	(389)	1,757	(828)
Income from operations	9,261	10,957	24,543	24,041
Other Income (Expense)
Net interest expense	831	440	1,718	1,444
Net other (income) expense	(6)	(15)	43	(84)
Income before income taxes	8,436	10,532	22,782	22,681
Provision for income taxes	2,131	3,505	5,699	10,535
Net income	$ 6,305	$ 7,027	$ 17,083	$ 12,146
Basic net income per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.52	$ 0.37
Diluted net income per share (in dollars per share)	$ 0.19	$ 0.21	$ 0.50	$ 0.36
Shares used in computing basic net income per share (in shares)	32,648	32,673	32,724	32,997
Shares used in computing diluted net income per share (in shares)	33,645	33,991	33,846	34,085
Services
Revenues
Revenues	$ 122,879	$ 117,415	$ 363,986	$ 329,192
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Cost of Goods and Services Sold	79,183	75,971	238,004	214,858
Software and hardware
Revenues
Revenues	1,054	6,323	2,686	22,591
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Cost of Goods and Services Sold	$ 0	$ 5,168	$ 0	$ 18,860

XML

Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 6,305	$ 7,027	$ 17,083	$ 12,146
Other comprehensive (loss) income:
Foreign currency translation adjustment	(363)	137	(1,015)	720
Comprehensive income	$ 5,942	$ 7,164	$ 16,068	$ 12,866

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Unaudited Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Treasury Stock	Retained Earnings
Balance at Dec. 31, 2017	$ 366,351	$ 47	$ 403,906	$ (1,822)	$ (163,871)	$ 128,091
Balance (in shares) at Dec. 31, 2017	33,249,665	33,250,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from the sales of stock through the Employee Stock Purchase Plan (in shares)		6,000
Proceeds from the sales of stock through the Employee Stock Purchase Plan	$ 124		124
Stock compensation related to restricted stock vesting and retirement savings plan contributions (in shares)		421,000
Stock compensation related to restricted stock vesting and retirement savings plan contributions	11,560	$ 1	11,559
Purchases of treasury stock and buyback of shares for taxes (in shares)		(1,943,000)
Purchases of treasury stock and buyback of shares for taxes	(54,717)				(54,717)
Issuance of stock in conjunction with acquisition including stock attributed to future compensation (in shares)		201,000
Issuance of stock in conjunction with acquisition including stock attributed to future compensation	4,201		4,201		0
Surrender of stock in conjunction with net working capital settlement (in shares)		(14,000)
Surrender of stock in conjunction with net working capital settlement	(303)				(303)
Equity component of convertible notes, net of tax	15,547		15,547
Debt issuance costs of convertible notes allocated to equity, net of tax	(511)		(511)
Purchase of hedges on convertible notes, net of tax	(15,376)		(15,376)
Proceeds from issuance of warrants on convertible notes	12,060		12,060
Net income	17,083					17,083
Foreign currency translation adjustment	(1,015)			(1,015)
Balance at Sep. 30, 2018	$ 355,004	$ 48	$ 431,510	$ (2,837)	$ (218,891)	$ 145,174
Balance (in shares) at Sep. 30, 2018	31,920,534	31,921,000

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Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES
Net income	$ 17,083	$ 12,146
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	3,057	3,587
Amortization	12,029	11,098
Deferred income taxes	655	918
Non-cash stock compensation and retirement savings plan contributions	11,560	10,595
Adjustment to fair value of contingent consideration for purchase of business	1,757	(828)
Amortization of debt issuance costs and discounts	300	122
Write-off of unamortized credit facility fees	0	246
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	11,453	1,415
Other assets	1,157	2,634
Accounts payable	(12,394)	(6,423)
Other liabilities	(3,865)	(5,386)
Net cash provided by operating activities	42,792	30,124
INVESTING ACTIVITIES
Purchase of property and equipment	(3,182)	(2,521)
Capitalization of internally developed software costs	(477)	(762)
Purchase of businesses	(21,213)	(37,886)
Net cash used in investing activities	(24,872)	(41,169)
FINANCING ACTIVITIES
Proceeds from issuance of convertible notes	143,750	0
Payment for convertible notes issuance costs	(4,323)	0
Purchase of convertible notes hedges	(20,686)	0
Proceeds from issuance of convertible notes warrants	12,060	0
Proceeds from line of credit	161,000	223,500
Payments on line of credit	(216,000)	(190,500)
Payment for credit facility financing fees	0	(355)
Payment of contingent consideration for purchase of business	0	(3,258)
Proceeds from the sale of stock through the Employee Stock Purchase Plan	124	135
Purchases of treasury stock	(51,809)	(23,953)
Remittance of taxes withheld as part of a net share settlement of restricted stock vesting	(2,908)	(2,542)
Net cash provided by financing activities	21,208	3,027
Effect of exchange rate on cash and cash equivalents	(488)	353
Change in cash and cash equivalents	38,640	(7,665)
Cash and cash equivalents at beginning of period	6,307	10,113
Cash and cash equivalents at end of period	44,947	2,448
Supplemental disclosures:
Cash paid for income taxes	2,439	3,725
Cash paid for interest	1,277	922
Non-cash investing activity:
Stock issued for purchase of businesses	3,789	9,429
Stock surrendered by sellers in conjunction with net working capital settlement	$ 303	$ 572

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Basis of Presentation

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying interim unaudited condensed consolidated financial statements of Perficient, Inc. and its subsidiaries (collectively, the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) and are presented in accordance with the rules and regulations of the Securities and Exchange Commission (the “SEC”) applicable to interim financial information. Accordingly, certain note disclosures have been condensed or omitted. In the opinion of management, the interim unaudited condensed consolidated financial statements reflect all adjustments (consisting of only normal recurring adjustments) necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the periods presented. These financial statements should be read in conjunction with the Company’s consolidated financial statements and notes thereto filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. Operating results for the three and nine months ended September 30, 2018 may not be indicative of the results for the full year ending December 31, 2018.

Certain prior period financial statement amounts have been reclassified to conform to current period presentation. This reclassification relates to reimbursable expenses, which have been combined with services revenues and cost of services within revenues and cost of revenues in the Unaudited Condensed Consolidated Statements of Operations.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates, and such differences could be material to the financial statements.

Except for the accounting policies related to revenue recognition that were updated as a result of the adoption of Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers issued by the Financial Accounting Standards Board (the “FASB”), there have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2017, filed with the SEC on March 1, 2018, that have had a material impact on the Company’s condensed consolidated financial statements and related notes. See Note 4, Revenue, for updated policies related to revenue recognition.

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Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Accounting Standards Codification (“ASC”) Topic 606), which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. ASU No. 2014-09 replaced most existing revenue recognition guidance in U.S. GAAP. In 2015, the FASB deferred the effective date of ASU No. 2014-09 by one year. In 2016, the FASB issued ASU No. 2016-08, Principal versus Agent Considerations, ASU No. 2016-10, Identifying Performance Obligations and Licensing, ASU No. 2016-12, Narrow-Scope Improvements and Practical Expedients and ASU No. 2016-20, Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers, all of which further amended ASU No. 2014-09. The Company adopted the standard on January 1, 2018 using the modified retrospective method which requires a cumulative-effect adjustment to the opening balance of retained earnings within stockholders’ equity. The Company has determined that the most significant impact upon adoption was to third-party software and hardware revenue, which was primarily recorded on a gross basis as the principal in the transaction through December 31, 2017 and presented on a net basis as the agent as of January 1, 2018. The adoption of the standard also resulted in minor changes to the timing of revenue recognition. As the agent, revenue from multi-year sales of third-party software and support is recognized upfront as the performance obligation is fulfilled, rather than annually as invoiced to the customer. Additionally, variable consideration related to service contracts, such as volume discounts and holdbacks, are recognized earlier under the new standard in certain instances. The impact from these timing changes was immaterial as of January 1, 2018, and therefore, did not result in a cumulative-effect adjustment to the opening balance of retained earnings.  The adoption of the standard also resulted in increases to accounts receivable, net and deferred revenue within other current liabilities for those contracts under which the Company’s right to consideration is unconditional. Refer to Impacts of ASC Topic 606 Adoption on Current Period Results below for the impact of adopting ASC Topic 606 on the Unaudited Condensed Consolidated Balance Sheet as of September 30, 2018 and the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018. There was no material impact on the Unaudited Condensed Consolidated Statement of Cash Flows for the nine months ended September 30, 2018. The adoption of ASU No. 2014-09 and its amendments also resulted in additional disclosures around the nature and timing of performance obligations, contract costs, and deferred revenue, as well as significant judgments and practical expedients used by the Company. See Note 4, Revenue, for these disclosures.

Impacts of ASC Topic 606 Adoption on Current Period Results

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Balance Sheet as of  September 30, 2018 are as follows (in thousands):

	As Reported		ASC Topic 606 Impact			Without ASC Topic 606 Adoption
Accounts receivable, net	$	109,764	$	(1,512	)	$	108,252
Total assets	549,269		(1,512		)	547,757
Other current liabilities	44,172		(1,512		)	42,660
Total liabilities	194,265		(1,512		)	192,753

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018 are as follows (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption (Gross Presentation)		As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption  (Gross Presentation)
Revenues
Services	$	122,879	$	—	$	122,879	$	363,986	$	—	$	363,986
Software and hardware	1,054		3,665		4,719		2,686		16,050		18,736
Total revenues	123,933		3,665		127,598		366,672		16,050		382,722
Cost of revenues
Cost of services	79,183		—		79,183		238,004		—		238,004
Software and hardware costs	—		3,665		3,665		—		16,050		16,050
Total cost of revenues	79,183		3,665		82,848		238,004		16,050		254,054
Income from operations	9,261		—		9,261		24,543		—		24,543
Net income	6,305		—		6,305		17,083		—		17,083

In February 2016, the FASB issued ASU No. 2016-02, Leases, which supersedes ASC Topic 840, Leases, and creates a new topic, ASC Topic 842, Leases. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases, and ASU 2018-11, Leases – Targeted Improvement, which further amended ASU No. 2016-02. These updates require lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The updates also expand the required quantitative and qualitative disclosures surrounding leases. These updates are effective for the Company on January 1, 2019. The amendments to ASU 2016-02 allow companies to elect to apply the provisions of the new standard at the effective date without adjusting the comparative periods presented, which the Company currently expects to elect. The Company continues to evaluate the effect that ASU No. 2016-02 and its amendments will have on its consolidated financial statements and disclosures. The Company expects the primary impact upon adoption will be the recognition, on a discounted basis, of its minimum commitments under noncancellable operating leases on its consolidated balance sheets resulting in the recording of right of use assets and lease obligations. The Company is also evaluating provisions within its contracts to identify any embedded leases which would have a potential impact upon adoption. Current minimum commitments under noncancellable operating leases are disclosed in Note 14, Commitments and Contingencies.

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Revenue

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue

The Company’s revenues consist of services and software and hardware sales. Revenues are recognized when control of these services or goods are transferred to clients, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those services or goods.

For a description of the Company’s revenue recognition policy prior to January 1, 2018 under ASC Subtopic 985-605, Software – Revenue Recognition, ASC Subtopic 605-25, Revenue Recognition – Multiple-Element Arrangements, and ASC Section 605-10-S99 (Staff Accounting Bulletin Topic 13, Revenue Recognition), refer to Note 2, Summary of Significant Accounting Policies, in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

The following discussion relates to the Company’s revenue recognition policy, effective January 1, 2018, under ASC Topic 606.

Services Revenues

Services revenues are primarily comprised of professional services that include developing, implementing, automating and extending business processes, technology infrastructure, and software applications. The Company’s professional services span multiple industries, platforms and solutions; however, the Company has remained relatively diversified and does not believe that it has significant revenue concentration within any single industry, platform or solution.

Professional services revenues are recognized over time as services are rendered. Most projects are performed on a time and materials basis, while a portion of revenues is derived from projects performed on a fixed fee or fixed fee percent complete basis. For time and material contracts, revenues are generally recognized and invoiced by multiplying the number of hours expended in the performance of the contract by the billing rates established in the contract. For fixed fee contracts, revenues are generally recognized and invoiced by multiplying the fixed rate per time period established in the contract by the number of time periods elapsed. For fixed fee percent complete contracts, revenues are generally recognized using an input method based on the ratio of hours expended to total estimated hours, and the client is invoiced according to the agreed-upon schedule detailing the amount and timing of payments in the contract. Clients are typically billed monthly for services provided during that month, but can be billed on a more or less frequent basis as determined by the contract. If the time is worked and approved at the end of a fiscal period and the invoice has not yet been sent to the client, the amount is recorded as revenue once the Company verifies all other revenue recognition criteria have been met, and the amount is classified as a receivable as the right to consideration is unconditional at that point. Amounts invoiced and collected in excess of revenues recognized are contract liabilities, which are classified as deferred revenues in the Unaudited Condensed Consolidated Balance Sheet. The term between invoicing and payment due date is not significant. Contracts for professional services provide for a general right, to the client or the Company, to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required). The client is responsible for any time and expenses incurred up to the date of cancellation or termination of the contract. Certain contracts may include volume discounts or holdbacks, which are accounted for as variable consideration under ASC Topic 606, but are not typically significant. The Company estimates variable consideration based on historical experience and forecasted sales and includes the variable consideration in the transaction price.

Other services revenues are comprised of hosting fees, partner referral fees, maintenance agreements, training and internally developed software-as-a-service (“SaaS”) sales. Revenues from hosting fees, maintenance agreements, training and internally developed SaaS sales are generally recognized over time using a time-based measure of progress as services are rendered. Partner referral fees are recorded at a point in time upon meeting specified requirements set by each partner to earn the respective fee.

On many professional service projects, the Company is also reimbursed for out-of-pocket expenses including travel and other project-related expenses.  These reimbursements are included as a component of the transaction price of the respective professional services contract and are invoiced as the expenses are incurred. The Company structures its professional services arrangements to recover the cost of reimbursable expenses without a markup.

Software and Hardware Revenues

Software and hardware revenues are comprised of third-party software and hardware resales, in which the Company is considered the agent, and sales of internally developed software, in which the Company is considered the principal. Third-party software and hardware revenues are recognized and invoiced when the Company fulfills its obligation to arrange the sale, which occurs when the purchase order with the vendor is executed and the customer has access to the software or the hardware has been shipped to the customer. Internally developed software revenues are recognized and invoiced when control is transferred to the customer, which occurs when the software has been made available to the customer and the license term has commenced. Revenues from third-party software and hardware sales are recorded on a net basis, while revenues from internally developed software sales are recorded on a gross basis. There are no significant cancellation or termination-type provisions for the Company’s software and hardware sales, and the term between invoicing and payment due date is not significant.

Arrangements with Multiple Performance Obligations

Arrangements with clients may contain multiple promises such as delivery of software, hardware, professional services or post-contract support services. These promises are accounted for as separate performance obligations if they are distinct.  For arrangements with clients that contain multiple performance obligations, the transaction price is allocated to the separate performance obligations based on estimated relative standalone selling price, which is estimated by the expected cost plus a margin approach, taking into consideration market conditions and competitive factors.

Contract Costs

In accordance with the terms of the Company’s sales commission plan, commissions are not earned until the related revenue is recognized. Therefore, sales commissions are expensed as they are incurred. Certain sales incentives are accrued based on achievement of specified bookings goals. For these incentives, the Company applies the practical expedient that allows the Company to expense the incentives as incurred, since the amortization period would have been one year or less.

Deferred Revenue

The Company’s deferred revenue balance as of December 31, 2017 was $3.3 million, which increased to $6.1 million as of January 1, 2018 due to the adoption of ASC Topic 606. The deferred revenue balance as of September 30, 2018 was $4.7 million. During the nine months ended September 30, 2018, $4.5 million was recognized in revenue that was included in the deferred revenue balance at the beginning of the period.  Deferred revenue balances assumed in the Company's 2018 acquisitions were immaterial.

Transaction Price Allocated to Remaining Performance Obligations

Due to the ability of the client or the Company to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required), the majority of the Company’s contracts have a term of less than one year. Perficient does not disclose the value of unsatisfied performance obligations for contracts with an original maturity date of one year or less or time and materials contracts for which the Company has the right to invoice for services performed. Revenue related to unsatisfied performance obligations for remaining contracts as of September 30, 2018 was immaterial.

Disaggregation of Revenue

The following table presents revenue disaggregated by revenue source and pattern of revenue recognition (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	85,127	$	—	$	85,127	$	252,158	$	—	$	252,158
Fixed fee percent complete contracts	9,731		—		9,731		26,741		—		26,741
Fixed fee contracts	20,402		—		20,402		62,001		—		62,001
Reimbursable expenses	3,223		—		3,223		9,468		—		9,468
Total professional services fees	118,483		—		118,483		350,368		—		350,368
Other services revenue*	3,610		786		4,396		11,229		2,389		13,618
Total services	122,093		786		122,879		361,597		2,389		363,986
Software and hardware	—		1,054		1,054		—		2,686		2,686
Total revenues	$	122,093	$	1,840	$	123,933	$	361,597	$	5,075	$	366,672

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS and partner referral fees.

The following table presents revenue disaggregated by geographic area, as determined by the billing address of customers (in thousands):

	Three Months Ended September 30, 2018		Nine Months Ended September 30, 2018
United States	$	121,440	$	358,179
Canada	800		2,910
Other countries	1,693		5,583
Total revenues	$	123,933	$	366,672

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2018

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

Stock-Based Compensation

Stock-Based Compensation

Stock-based compensation is accounted for in accordance with ASC Topic 718, Compensation – Stock Compensation. Under this guidance, the Company recognizes share-based compensation ratably using the straight-line attribution method over the requisite service period, which is generally three years. In addition, the Company has elected to estimate the amount of expected forfeitures when calculating share-based compensation, instead of accounting for forfeitures as they occur. The fair value of restricted stock awards is based on the value of the Company’s common stock on the date of the grant.

Stock Award Plans

The Company’s Second Amended and Restated 2012 Long Term Incentive Plan (as amended, the “Incentive Plan”) allows for the granting of various types of stock awards, not to exceed a total of 7.0 million shares, to eligible individuals.  The Compensation Committee of the Board of Directors administers the Incentive Plan and determines the terms of all stock awards made under the Incentive Plan. As of September 30, 2018, there were 2.6 million shares of common stock available for issuance under the Incentive Plan.

Stock-based compensation cost recognized for the three and nine months ended September 30, 2018 was approximately $4.1 million and $12.1 million, respectively, which included $0.7 million and $2.1 million, respectively, of expense for retirement savings plan contributions. The associated current and future income tax benefits recognized were $0.8 million and $2.4 million for the three and nine months ended September 30, 2018, respectively. Stock-based compensation cost recognized for the three and nine months ended September 30, 2017 was approximately $3.6 million and $11.0 million, respectively, which included $0.6 million and $1.9 million, respectively, of expense for retirement savings plan contributions. The associated current and future income tax benefits recognized were $1.1 million and $3.4 million for the three and nine months ended September 30, 2017, respectively. As of September 30, 2018, there was $17.1 million of total unrecognized compensation cost related to non-vested share-based awards with a weighted-average remaining life of two years.

Restricted stock activity for the nine months ended September 30, 2018 was as follows (shares in thousands):

	Shares		Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2017	1,436		$	18.12
Awards granted	366		22.08
Awards vested	(334	)	19.26
Awards forfeited	(87	)	17.45
Restricted stock awards outstanding at September 30, 2018	1,381		$	18.91

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Net Income per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Net Income per Share

Net Income per Share

The following table presents the calculation of basic and diluted net income per share (in thousands, except per share information):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Net income	$	6,305	$	7,027	$	17,083	$	12,146
Basic:
Weighted-average shares of common stock outstanding	32,648		32,673		32,724		32,997
Shares used in computing basic net income per share	32,648		32,673		32,724		32,997
Effect of dilutive securities:
Restricted stock subject to vesting	733		459		665		450
Shares issuable for acquisition consideration (1)	264		859		457		638
Shares used in computing diluted net income per share	33,645		33,991		33,846		34,085
Basic net income per share	$	0.19	$	0.22	$	0.52	$	0.37
Diluted net income per share	$	0.19	$	0.21	$	0.50	$	0.36

(1) For the three and nine months ended September 30, 2018, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm Systems, Inc. (“BioPharm”); (ii) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (iii) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (iv) the Asset Purchase Agreement with Clarity Consulting, Inc. and Truth Labs, LLC (together, “Clarity”); (v) the Asset Purchase Agreement with Southport Services Group, LLC (“Southport”); and (vi) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”), as part of the consideration.  For the three and nine months ended September 30, 2017, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm; (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with The Pup Group, Inc. d/b/a Enlighten (“Enlighten”); (iv) the Asset Purchase Agreement with RAS; and (v) the Asset Purchase Agreement with Clarity, as part of the consideration.

The number of anti-dilutive securities not included in the calculation of diluted net income per share were as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Restricted stock subject to vesting	—	—	40	117
Convertible senior notes	3,823	—	3,823	—
Warrants related to the issuance of convertible senior notes	3,823	—	3,823	—
Total anti-dilutive securities	7,646	—	7,686	117

See Note 10, Long-term Debt for further information on the convertible senior notes and warrants related to the issuance of convertible notes.

Prior to 2018, the Company's Board of Directors authorized the repurchase of up to $135.0 million of Company common stock. On February 20, 2018, the Board of Directors authorized the expansion of the stock repurchase program by authorizing the repurchase of up to an additional $25.0 million of Company common stock and extended the expiration date of the program from December 31, 2018 to December 31, 2019. On August 15, 2018, the Board of Directors authorized an additional $75.0 million, for a total repurchase program of $235.0 million. The program could be suspended or discontinued at any time, based on market, economic, or business conditions. The timing and amount of repurchase transactions will be determined by management based on its evaluation of market conditions, share price, and other factors. Since the program’s inception on August 11, 2008, the Company has repurchased approximately $186.8 million (14.2 million shares) of outstanding common stock through September 30, 2018.

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Balance Sheet Components

9 Months Ended

Sep. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

Balance Sheet Components

	September 30, 2018 (unaudited)			December 31, 2017
	(in thousands)
Accounts receivable:
Accounts receivable	$	66,541		$	82,603
Unbilled revenues	44,038			30,863
Allowance for doubtful accounts	(815		)	(1,272		)
Total	$	109,764		$	112,194

Property and equipment:
Computer hardware (useful life of 3 years)	$	13,832		$	13,110
Software (useful life of 1 to 7 years)	5,042			5,159
Furniture and fixtures (useful life of 5 years)	4,472			3,772
Leasehold improvements (useful life of 5 years)	3,172			2,836
Less: Accumulated depreciation	(19,953		)	(17,732		)
Total	$	6,565		$	7,145

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	15,356	$	8,148
Accrued variable compensation	12,810		16,842
Deferred revenue	4,733		3,278
Other current liabilities	4,452		3,879
Payroll related costs	3,378		2,971
Accrued medical claims expense	2,072		2,133
Professional fees	1,106		357
Accrued subcontractor fees	265		469
Total	$	44,172	$	38,077

Other non-current liabilities:
Deferred income taxes	$	7,638	$	7,360
Other non-current liabilities	7,742		4,667
Deferred compensation liability	4,874		4,409
Total	$	20,254	$	16,436

(1) As of September 30, 2018, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by Stone Temple, Southport and Clarity twelve months after the acquisition. As of December 31, 2017, represents the fair value estimate of additional revenue and earnings-based contingent consideration that may be realized by Clarity twelve months after the acquisition.

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Business Combinations

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Business Combination

Business Combinations

2017 Acquisitions

Acquisition of RAS

On January 3, 2017, the Company acquired substantially all of the assets of RAS through a wholly-owned subsidiary of the Company, pursuant to the terms of an Asset Purchase Agreement. The Company’s total allocable purchase price consideration was $10.4 million. The purchase price was comprised of $7.1 million in cash paid and $2.1 million in Company common stock issued at closing reduced by $0.6 million as a result of a net working capital adjustment settled in Company common stock surrendered by RAS in 2017. The purchase price also included $1.8 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which was not realized by RAS. The amount of goodwill deductible for tax purposes was $3.7 million.

Acquisition of Clarity

On June 22, 2017, the Company acquired substantially all of the assets of Clarity, pursuant to the terms of an Asset Purchase Agreement. The Company’s total allocable purchase price consideration was $41.7 million. The purchase price was comprised of $30.7 million in cash paid and $7.3 million in Company common stock issued at closing reduced by $0.4 million as a result of the net working capital adjustment settled in Company common stock surrendered by Clarity in February 2018. The purchase price also included $4.1 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration with a maximum cash payout of $9.2 million. Clarity achieved the maximum cash payout pursuant to the Asset Purchase Agreement and, as a result, the Company has accrued $9.2 million of contingent consideration as of September 30, 2018. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $22.1 million.

2018 Acquisitions

Acquisition of Southport

On April 2, 2018, the Company acquired substantially all of the assets of Southport, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Southport expands the Company’s expertise in business intelligence and data warehousing services.

The Company has initially estimated the total allocable purchase price consideration to be $18.6 million. The purchase price was comprised of $11.3 million in cash paid and $2.7 million in Company common stock issued at closing increased by $0.3 million for an estimated net working capital adjustment due to the seller. The purchase price also included $4.3 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition with a maximum cash payout of $6.6 million. As of September 30, 2018, the Company’s best estimate of the fair value of the contingent consideration was $5.0 million. As a result, the Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Consolidated Statements of Operations of $0.7 million during the three and nine months ended September 30, 2018. The Company incurred approximately $0.8 million in transaction costs, which were expensed when incurred.

As part of the consideration transferred for the acquisition of Southport, the Company issued common stock to owners of Southport, who are continuing with the Company, with restrictions limiting the ability to sell the common stock which lapse over a certain period or over an accelerated period upon meeting specified employment milestones. As such, an estimated $0.3 million of the common stock value was attributed to future compensation and recorded as an asset within “Other current assets” and “Other non-current assets” in the Unaudited Condensed Consolidated Balance Sheet as of the acquisition date, to be amortized over the requisite service period.

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	4.2
Identified intangible assets	5.7
Liabilities assumed	(1.8		)
Goodwill	10.5
Total purchase price	$	18.6

The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $7.1 million.

The above purchase price accounting estimates are pending finalization of the net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period.

Acquisition of Stone Temple

On July 16, 2018, the Company acquired substantially all of the assets of Stone Temple, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Stone Temple expands the Company’s capabilities in search engine marketing and digital content services.

The Company has initially estimated the total allocable purchase price consideration to be $12.4 million. The purchase price was comprised of $9.9 million in cash paid and $1.2 million in Company common stock issued at closing increased by $0.1 million for an estimated net working capital adjustment due to the seller. The purchase price also included $1.2 million representing the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller twelve months after the closing date of the acquisition with a maximum cash payout of $2.6 million. The Company incurred approximately $0.5 million in transaction costs, which were expensed when incurred.

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	2.5
Identified intangible assets	4.6
Liabilities assumed	(1.5		)
Goodwill	6.8
Total purchase price	$	12.4

The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $5.4 million.

The above purchase price accounting estimates are pending finalization of the intangible assets and contingent consideration valuation and a net working capital settlement that is subject to final adjustment as the Company evaluates information during the measurement period.

The following table presents details of the intangible assets acquired during the nine months ended September 30, 2018 (dollars in millions):

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	5 years	5 - 6 years	$	8.2
Customer backlog	1 year	1 - 1.5 years	1.4
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.1
Developed software	3 years	3 years	0.4
Total acquired intangible assets			$	10.3

The operating results of the 2017 and 2018 acquisitions have been included in the Company's interim unaudited condensed consolidated financial statements since the respective acquisition date.

The aggregate amounts of revenue and net income of the Southport and Stone Temple acquisitions in the Unaudited Condensed Consolidated Statements of Operations from the respective acquisition dates to September 30, 2018 are as follows (in thousands):

	Acquisition Date to September 30, 2018
Revenues	$	10,774
Net income	$	777

Pro-forma Results of Operations

The following presents the unaudited pro-forma combined results of operations of the Company with the 2017 and 2018 acquisitions for the nine months ended September 30,2018 and 2017, after giving effect to certain pro-forma adjustments and assuming the 2018 acquisitions were acquired as of the beginning of 2017 and assuming the 2017 acquisitions were acquired as of the beginning of 2016.

These unaudited pro-forma results are presented in compliance with the adoption of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations, and are not necessarily indicative of the actual consolidated results of operations had the acquisitions actually occurred on January 1, 2017 or January 1, 2016 or of future results of operations of the consolidated entities (in thousands except per share data):

	Nine Months Ended September 30,
	2018		2017
Revenues	$	376,695	$	385,639
Net income	$	20,846	$	12,845
Basic net income per share	$	0.63	$	0.38
Diluted net income per share	$	0.61	$	0.37
Shares used in computing basic net income per share	33,054		33,505
Shares used in computing diluted net income per share	33,931		34,582

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill represents the excess purchase price over the fair value of net assets acquired, or net liabilities assumed, in a business combination. In accordance with ASC Topic 350, Intangibles – Goodwill and Other, the Company performs an annual impairment review in the fourth quarter and more frequently if events or changes in circumstances indicate that goodwill might be impaired. There was no indication that goodwill became impaired as of September 30, 2018.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software, which are being amortized over the assets’ estimated useful lives using the straight-line method. Estimated useful lives range from less than one year to ten years. Amortization of customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software is considered an operating expense and is included in “Amortization” in the accompanying Unaudited Condensed Consolidated Statements of Operations. The Company periodically reviews the estimated useful lives of its identifiable intangible assets, taking into consideration any events or circumstances that might result in a lack of recoverability or revised useful life.

Goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2018 are as follows (in thousands):

Balance at December 31, 2017	$	305,238
Preliminary purchase price allocations for acquisitions	17,267
Effect of foreign currency translation adjustments	(510		)
Balance at September 30, 2018	$	321,995

Intangible Assets with Definite Lives

The following table presents a summary of the Company’s intangible assets that are subject to amortization (in thousands):

	September 30, 2018							December 31, 2017
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	80,176	$	(37,781	)	$	42,395	$	75,407	$	(32,307	)	$	43,100
Non-compete agreements	1,626		(789		)	837		1,556		(707		)	849
Customer backlog	1,400		(443		)	957		1,650		(866		)	784
Trade name	110		(43		)	67		100		(53		)	47
Internally developed software	11,900		(6,335		)	5,565		11,325		(5,039		)	6,286
Total	$	95,212	$	(45,391	)	$	49,821	$	90,038	$	(38,972	)	$	51,066

The estimated useful lives of identifiable intangible assets are as follows:

Customer relationships	5 - 10 years
Non-compete agreements	2 - 5 years
Customer backlog	1 - 1.5 years
Trade name	1 year
Internally developed software	2 - 7 years

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows and excludes the impact of the acquisition referenced in Note 15, Subsequent Events (in thousands):

2018 remaining	$	4,054
2019	$	14,767
2020	$	11,021
2021	$	8,813
2022	$	7,404
Thereafter	$	3,762

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Long-term Debt

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Long-term Debt

Long-term Debt

Revolving Credit Facility

On June 9, 2017, the Company entered into a Credit Agreement, as amended (the “Credit Agreement”), with Wells Fargo Bank, National Association, as administrative agent and the other lenders parties thereto.  The Credit Agreement provides for revolving credit borrowings up to a maximum principal amount of $125.0 million, subject to a commitment increase of $75.0 million. All outstanding amounts owed under the Credit Agreement become due and payable no later than the final maturity date of June 9, 2022.

The Credit Agreement also allows for the issuance of letters of credit in the aggregate amount of up to $10.0 million at any one time; outstanding letters of credit reduce the credit available for revolving credit borrowings. As of September 30, 2018, the Company had one outstanding letter of credit for $0.2 million. Substantially all of the Company’s assets are pledged to secure the credit facility.

Borrowings under the Credit Agreement bear interest at the Company’s option of the prime rate (5.25% on September 30, 2018) plus a margin ranging from 0.00% to 0.50% or one month LIBOR (2.26% on September 30, 2018) plus a margin ranging from 1.00% to 1.75%. The Company incurs an annual commitment fee of 0.15% to 0.20% on the unused portion of the line of credit.  The additional margin amount and annual commitment fee are dependent on the level of outstanding borrowings. As of September 30, 2018, the Company had $124.8 million of unused borrowing capacity.

The Company is required to comply with various financial covenants under the Credit Agreement. Specifically, the Company is required to maintain a ratio of earnings before interest, taxes, depreciation, and amortization (“EBITDA”) plus stock compensation to interest expense for the previous four consecutive fiscal quarters of not less than 3.00 to 1.00 and a ratio of indebtedness to EBITDA plus stock compensation (“Leverage Ratio”) of not more than 3.00 to 1.00. Additionally, the Credit Agreement currently restricts the payment of dividends that would result in a pro-forma Leverage Ratio of more than 2.00 to 1.00.

At September 30, 2018, the Company was in compliance with all covenants under the Credit Agreement.

Convertible Senior Notes due 2023

On September 11, 2018, the Company issued $143.8 million aggregate principal amount of 2.375% Convertible Senior Notes Due 2023 (the “Notes”) in a private placement to qualified institutional purchasers pursuant to an exemption from registration provided by Section 4(a)(2) and Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The net proceeds from the offerings, after deducting the initial purchasers’ discount and issuance costs of $4.4 million, were $139.4 million. The Company used (i) $49.0 million of the net proceeds to pay down the Company’s revolving credit facility, (ii) $38.8 million of the net proceeds to repurchase 1.3 million shares of the Company’s common stock concurrently with the pricing of the Notes offering in privately negotiated transactions and (iii) $8.6 million of the net proceeds to fund the cost of entering into the Notes Hedges (as defined below), after such cost was partially offset by the proceeds that the Company received from entering into the Notes Warrants (as defined below). The remaining proceeds will be used for working capital or other general corporate purposes.

The Notes bear interest at a rate of 2.375% per year. Interest will be payable in cash on March 15 and September 15 of each year, beginning March 15, 2019. The Notes mature on September 15, 2023, unless earlier converted, redeemed or repurchased in accordance with their terms prior to such date. The initial conversion rate is 26.5957 shares of the Company’s common stock per $1,000 principal amount of Notes, which is equivalent to an initial conversion price of approximately $37.60 per share of common stock. After consideration of the Notes Hedges and Notes Warrants (each defined below), the conversion rate is effectively hedged to a price of $46.62 per share of common stock. The conversion rate, and thus the conversion price, may be adjusted under certain circumstances as described in the indenture governing the Notes (the “Indenture”). The Company may settle conversions by paying or delivering, as applicable, cash, shares of its common stock or a combination of cash and shares of its common stock, at the Company’s election, based on the applicable conversion rate(s). If a “make-whole fundamental change” (as defined in the Indenture) occurs, then the Company will in certain circumstances increase the conversion rate for a specified period of time. The Company’s intent is to settle the principal amount of the Notes in cash upon conversion.

A Note may be converted at the holder’s option prior to the close of business on the business day immediately preceding September 15, 2023, but only under the following circumstances:

• during any calendar quarter commencing after the calendar quarter ending on December 31, 2018, if the last reported sale price per share of the Company’s common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter;

• during the five consecutive business days immediately after any 10 consecutive trading day period (such 10 consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of the Company’s common stock on such trading day and the conversion rate on such trading day;

• upon the occurrence of certain corporate events or distributions on the Company’s common stock described in the Indenture; and

• at any time from, and including, March 15, 2023 until the close of business on the second scheduled trading day immediately before the maturity date.

The Company may not redeem the Notes at its option before maturity. If a “fundamental change” (as defined in the Indenture) occurs, then, except as described in the Indenture, noteholders may require the Company to repurchase their notes at a cash repurchase price equal to the principal amount of the Notes to be repurchased, plus accrued and unpaid interest, if any.

As of September 30, 2018, none of the conditions permitting holders to convert their Notes had been satisfied and no shares of the Company’s common stock had been issued in connection with any conversions of the Notes. Based on the closing price of our common stock of $26.65 per share on September 28, 2018, the conversion value of the Notes was less than the principal amount of the Notes outstanding on a per Note basis.

In accordance with accounting for debt with conversions and other options, the Company bifurcated the principal amount of the Notes into liability and equity components. The initial liability component of the Notes was valued at $122.9 million based on the contractual cash flows discounted at an appropriate comparable market non-convertible debt borrowing rate at the date of issuance of 5.7%. The equity component representing the residual amount of the proceeds was recorded as an increase in additional paid-in capital within stockholders’ equity of $20.9 million, partially offset by the associated deferred tax effect of $5.4 million. The amount recorded within additional paid-in capital is not to be remeasured as long as it continues to meet the conditions for equity classification. The debt discount of $20.9 million is being amortized to interest expense using the effective interest method with an effective interest rate of 5.7% over the period from the issuance date through the contractual maturity date of September 15, 2023. The Company will utilize the treasury stock method to calculate the effects of the Notes on diluted earnings per share.

Issuance costs totaling $4.7 million were allocated pro rata based on the relative fair values of the liability and equity components. Issuance costs of $4.0 million attributable to the liability component were recorded as a direct deduction from the carrying value of the Notes and are being amortized to interest expense using the effective interest method over the term of the Notes. Issuance costs of $0.7 million attributable to the equity component were recorded as a charge to additional paid-in capital within stockholders’ equity, partially offset by the associated deferred tax effect of $0.2 million. The unamortized issuance costs will be amortized over a weighted-average remaining period of approximately five years.

The liability and equity components of the Notes consisted of the following (in thousands):

	As of September 30, 2018
Liability component:
Principal	$	143,750
Less: Unamortized debt discount	(20,716		)
Unamortized debt issuance costs	(3,996		)
Net carrying amount	$	119,038
Equity component:
Debt discount for conversion option, net of taxes	$	15,547
Less: Issuance costs, net of taxes	(511		)
Net carrying amount	$	15,036

Interest expense for the three and nine months ended September 30, 2018 related to the Notes consisted of the following (in thousands):

	Three and Nine Months Ended September 30, 2018
Coupon interest	$	190
Amortization of debt discount	200
Amortization of debt issuance costs	45
Total interest expense recognized	$	435

2023 Convertible Notes Hedges

In connection with the issuance of the Notes, the Company entered into privately negotiated convertible note hedge transactions (the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 3.8 million shares of common stock at a strike price of $37.60, which is equal to the number of shares of common stock that notionally underlie the Notes and corresponds to the conversion price of the Notes. If the Company elects cash settlement and exercises the Notes Hedges, the aggregate amount of cash received from the Option Counterparties will cover the aggregate amount of cash that the Company would be required to pay to the holders of the Notes, less the principal amount thereof. The Notes Hedges do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s stock and are accounted for as freestanding financial instruments. The Notes Hedges were recorded as a reduction in additional paid-in capital within stockholders’ equity of $20.7 million, partially offset by the deferred tax effect of $5.3 million.

2023 Convertible Notes Warrants

In connection with the issuance of the Notes, the Company also sold net-share-settled warrants (the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the Notes Warrants was approximately $46.62 per share, and is subject to certain adjustments under the terms of the Notes Warrants. As a result of the Notes Warrants and related transactions, the Company is required to recognize incremental dilution of earnings per share to the extent the average share price is over $46.62 for any fiscal quarter. The Notes Warrants expire over a period of 100 trading days commencing on December 15, 2023and may be settled in net shares of common stock or net cash at the Company’s election. The Notes Warrants were recorded as an increase in additional paid-in capital within stockholders’ equity of $12.1 million.

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Income Taxes

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company files income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. The Internal Revenue Service (the “IRS”) has completed examinations of the Company’s U.S. income tax returns or the statute of limitations has passed on returns for the years through 2010. The Company’s 2011 through 2015 U.S. income tax returns are currently under examination by the IRS. The IRS has sought to disallow research credits in total of $2.5 million on the Company’s 2011, 2012 and 2013 U.S. income tax returns. The Company has exhausted all administrative appeals and formal mediation and has filed suit to resolve this dispute. The Company is awaiting a new court date to be set by the U.S. Tax Court for the 2011 through 2013 returns.The Company believes the research credits taken are appropriate and intends to vigorously defend its position. An amount of adjustment, if any, and the timing of such adjustment are not reasonably possible to estimate at this time. The total amount of research credits taken or expected to be taken in the Company’s income tax returns for 2011 through September 30, 2018 is approximately $10.0 million.

Under the provisions of the ASC Subtopic 740-10-25, Income Taxes - Recognition, the Company had an unrecognized tax benefit of $3.4 million (inclusive of $0.3 million of interest) as of September 30, 2018.

The Company’s effective tax rate was 25.3% and 25.0% for the three and nine months ended September 30, 2018 compared to 33.3% and 46.4% for the three and nine months ended September 30, 2017. The decrease in the effective tax rate is primarily due to the passage of the Tax Cuts and Jobs Act of 2017 (the “2017 Tax Act”), as well as the one-time tax impact of the determination in the second quarter of 2017 that the foreign earnings of the Company's Chinese subsidiary were no longer permanently reinvested. As of September 30, 2018, the Company’s net non-current deferred tax liability was $7.6 million. Deferred tax liabilities primarily relate to goodwill, other intangibles, fixed assets, prepaid expenses and issuance of the Notes. Net non-current deferred tax liabilities are recorded in “Other non-current liabilities” on the Condensed Consolidated Balance Sheet as of September 30, 2018 (unaudited) and December 31, 2017.

In general, it is the Company’s practice and intention to reinvest the earnings of the Company’s foreign subsidiaries in those operations. However, during the second quarter of 2017, the Company determined that as a result of changes in the business and macroeconomic environment, the foreign earnings of the Company’s Chinese subsidiary were no longer permanently reinvested and may repatriate available earnings from time to time. A provision for the expected current and deferred taxes on the repatriation of earnings was recorded in the amount of $2.5 million during the second quarter of 2017. Approximately $1.6 million of this provision was reversed during the fourth quarter of 2017 due to the adoption of the 2017 Tax Act. Management intends to continue to permanently reinvest all other remaining current and prior earnings in its other foreign subsidiaries.

Excluding China, foreign unremitted earnings of entities not included in the United States tax return have been included in the consolidated financial statements without giving effect to the United States taxes that may be payable on distribution to the United States because it is not anticipated such earnings will be remitted to the United States. Under current applicable tax laws, if the Company elects to remit some or all of the funds it has designated as indefinitely reinvested outside the United States, the amount remitted would be subject to non-U.S. withholding taxes. As of September 30, 2018, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $8.7 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.5 million.

U.S. Tax Reform

On December 22, 2017, the U.S. government enacted the 2017 Tax Act.  The 2017 Tax Act significantly revised the ongoing U.S. corporate income tax by, among other things, lowering U.S. corporate income tax rates and implementing a territorial tax system.  The SEC has issued rules that would allow for a measurement period of up to one year after the enactment date of the 2017 Tax Act to finalize the recording of the related tax impacts.  Based on a continued analysis of the estimates and further guidance on the application of the law, it is anticipated that additional revisions may occur throughout the allowable measurement period. During the third quarter of 2018, the Company finalized and filed its 2017 income tax return. There were no material changes to the original estimate. The Company currently anticipates finalizing and recording any further adjustments within a year of the enactment date.

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Derivatives

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

In the normal course of business, the Company uses derivative financial instruments to manage foreign currency exchange rate risk. Currency exposure is monitored and managed by the Company as part of its risk management program which seeks to reduce the potentially adverse effects that market volatility could have on operating results. The Company's derivative financial instruments consist of non-deliverable foreign currency forward contracts. Derivative financial instruments are neither held nor issued by the Company for trading purposes.

Derivatives Not Designated as Hedging Instruments

Both the gain or loss on the derivatives not designated as hedging instruments and the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings. Realized gains or losses and changes in the estimated fair value of foreign currency forward contracts that have not been designated as hedges were a net loss of $0.1 million for each of the three and nine months ended September 30, 2018. An immaterial net gain was recognized during the three months ended September 30, 2017 and a net gain of $0.1 million was recognized during the nine months ended September 30, 2017. Gains and losses on these contracts are recorded in net other expense (income) and net interest expense in the Unaudited Condensed Consolidated Statements of Operations and are offset by losses and gains on the related hedged items.  The fair value of the Company’s derivative instruments outstanding as of September 30, 2018 was immaterial.

The notional amounts of the Company’s derivative instruments outstanding were as follows (in thousands):

	September 30, 2018		December 31, 2017
Derivatives not designated as hedges
Foreign exchange contracts	$	2,984	$	3,979
Total derivatives not designated as hedges	$	2,984	$	3,979

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Fair Value Measurements

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1 – Inputs are quoted prices in active markets for identical assets or liabilities.

• Level 2 – Inputs are quoted prices for similar assets or liabilities in an active market, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable and market-corroborated inputs which are derived principally from or corroborated by observable market data.

• Level 3 – Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

All highly liquid investments with maturities at date of purchase of three months or less are considered to be cash equivalents. Based on their short-term nature, the carrying value of cash equivalents approximate their fair value. As of September 30, 2018, $37.0 million of the Company’s cash and cash equivalents balance related to money-market fund investments. These short-term money-market funds are considered Level 1 investments.

The fair value of the Notes is measured using quoted price inputs. The Notes are not actively traded, and thus the price inputs represent a Level 2 measurement. As the quoted price inputs are highly variable from day to day, the fair value estimates could significantly increase or decrease.

The Company’s Notes are carried at their principal amount less unamortized debt discount and issuance costs, and are not carried at fair value at each period end. The original debt discount was calculated at a market interest rate for nonconvertible debt at the time of issuance, which represented a Level 3 fair value measurement. The approximate fair value of the Notes as of September 30, 2018 was $136.0 million, which is estimated on the basis of inputs that are observable in the market and is considered a Level 2 fair value measurement.

The fair value of the Company’s foreign exchange forward contracts is measured using the present value of expected cash flows. This considers the difference between the current market forward price and contracted forward price for each foreign exchange contract and applies the difference in the rates to each outstanding contract. Valuations for all derivative instruments represent Level 2 measurements.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

From time to time the Company is involved in legal proceedings, claims and litigation related to employee claims, contractual disputes and taxes in the ordinary course of business. Although the Company cannot predict the outcome of such matters, currently the Company has no reason to believe the disposition of any current matter could reasonably be expected to have a material adverse impact on the Company’s financial position, results of operations or the ability to carry on any of its business activities.

The Company leases office space under various operating lease agreements. The Company has the option to extend the term of certain lease agreements. Future minimum commitments under these lease agreements as of September 30, 2018 were as follows (in thousands):

	Operating Leases
2018 remaining	$	1,766
2019	7,059
2020	6,608
2021	5,122
2022	3,288
2023	3,609
Total minimum lease payments	$	27,452

Rent expense for the three and nine months ended September 30, 2018 was $2.1 million and $6.2 million, respectively. Rent expense for the three and nine months ended September 30, 2017 was $2.1 million and $6.0 million, respectively.

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Subsequent Events

9 Months Ended

Sep. 30, 2018

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Acquisition of Elixiter, Inc.

On October 29, 2018, the Company acquired Elixiter Inc., a Montana corporation (“Elixiter”), pursuant to the terms of an Agreement and Plan of Merger (the “Merger Agreement”).  The Merger Agreement provided for approximately $6.3 million of cash to be paid at closing, subject to a net working capital adjustment, approximately 64,846 shares of Company common stock to be issued at closing and a maximum potential payout for additional revenue and earnings-based contingent consideration of $1.8 million, which may be realized by the equity holders twelve months after the closing date of the acquisition. The acquisition of Elixiter expands the Company’s capabilities in digital marketing.

Goodwill and intangible assets are expected to be recorded on the Consolidated Balance Sheet from the acquisition of Elixiter. As of November 1, 2018, the initial accounting for the business combination has not been completed, including the measurement of certain intangible assets and goodwill. Acquisition costs related to Elixiter for the three and nine months ended September 30, 2018 were immaterial.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates, and such differences could be material to the financial statements.

Except for the accounting policies related to revenue recognition that were updated as a result of the adoption of Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers issued by the Financial Accounting Standards Board (the “FASB”), there have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2017, filed with the SEC on March 1, 2018, that have had a material impact on the Company’s condensed consolidated financial statements and related notes. See Note 4, Revenue, for updated policies related to revenue recognition.

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU No. 2016-02, Leases, which supersedes ASC Topic 840, Leases, and creates a new topic, ASC Topic 842, Leases. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases, and ASU 2018-11, Leases – Targeted Improvement, which further amended ASU No. 2016-02. These updates require lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The updates also expand the required quantitative and qualitative disclosures surrounding leases. These updates are effective for the Company on January 1, 2019. The amendments to ASU 2016-02 allow companies to elect to apply the provisions of the new standard at the effective date without adjusting the comparative periods presented, which the Company currently expects to elect. The Company continues to evaluate the effect that ASU No. 2016-02 and its amendments will have on its consolidated financial statements and disclosures. The Company expects the primary impact upon adoption will be the recognition, on a discounted basis, of its minimum commitments under noncancellable operating leases on its consolidated balance sheets resulting in the recording of right of use assets and lease obligations. The Company is also evaluating provisions within its contracts to identify any embedded leases which would have a potential impact upon adoption. Current minimum commitments under noncancellable operating leases are disclosed in Note 14, Commitments and Contingencies.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Accounting Standards Codification (“ASC”) Topic 606), which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. ASU No. 2014-09 replaced most existing revenue recognition guidance in U.S. GAAP. In 2015, the FASB deferred the effective date of ASU No. 2014-09 by one year. In 2016, the FASB issued ASU No. 2016-08, Principal versus Agent Considerations, ASU No. 2016-10, Identifying Performance Obligations and Licensing, ASU No. 2016-12, Narrow-Scope Improvements and Practical Expedients and ASU No. 2016-20, Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers, all of which further amended ASU No. 2014-09. The Company adopted the standard on January 1, 2018 using the modified retrospective method which requires a cumulative-effect adjustment to the opening balance of retained earnings within stockholders’ equity. The Company has determined that the most significant impact upon adoption was to third-party software and hardware revenue, which was primarily recorded on a gross basis as the principal in the transaction through December 31, 2017 and presented on a net basis as the agent as of January 1, 2018. The adoption of the standard also resulted in minor changes to the timing of revenue recognition. As the agent, revenue from multi-year sales of third-party software and support is recognized upfront as the performance obligation is fulfilled, rather than annually as invoiced to the customer. Additionally, variable consideration related to service contracts, such as volume discounts and holdbacks, are recognized earlier under the new standard in certain instances. The impact from these timing changes was immaterial as of January 1, 2018, and therefore, did not result in a cumulative-effect adjustment to the opening balance of retained earnings.  The adoption of the standard also resulted in increases to accounts receivable, net and deferred revenue within other current liabilities for those contracts under which the Company’s right to consideration is unconditional. Refer to Impacts of ASC Topic 606 Adoption on Current Period Results below for the impact of adopting ASC Topic 606 on the Unaudited Condensed Consolidated Balance Sheet as of September 30, 2018 and the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018. There was no material impact on the Unaudited Condensed Consolidated Statement of Cash Flows for the nine months ended September 30, 2018. The adoption of ASU No. 2014-09 and its amendments also resulted in additional disclosures around the nature and timing of performance obligations, contract costs, and deferred revenue, as well as significant judgments and practical expedients used by the Company. See Note 4, Revenue, for these disclosures.

Revenue from Contract with Customer

The following discussion relates to the Company’s revenue recognition policy, effective January 1, 2018, under ASC Topic 606.

Services Revenues

Services revenues are primarily comprised of professional services that include developing, implementing, automating and extending business processes, technology infrastructure, and software applications. The Company’s professional services span multiple industries, platforms and solutions; however, the Company has remained relatively diversified and does not believe that it has significant revenue concentration within any single industry, platform or solution.

Professional services revenues are recognized over time as services are rendered. Most projects are performed on a time and materials basis, while a portion of revenues is derived from projects performed on a fixed fee or fixed fee percent complete basis. For time and material contracts, revenues are generally recognized and invoiced by multiplying the number of hours expended in the performance of the contract by the billing rates established in the contract. For fixed fee contracts, revenues are generally recognized and invoiced by multiplying the fixed rate per time period established in the contract by the number of time periods elapsed. For fixed fee percent complete contracts, revenues are generally recognized using an input method based on the ratio of hours expended to total estimated hours, and the client is invoiced according to the agreed-upon schedule detailing the amount and timing of payments in the contract. Clients are typically billed monthly for services provided during that month, but can be billed on a more or less frequent basis as determined by the contract. If the time is worked and approved at the end of a fiscal period and the invoice has not yet been sent to the client, the amount is recorded as revenue once the Company verifies all other revenue recognition criteria have been met, and the amount is classified as a receivable as the right to consideration is unconditional at that point. Amounts invoiced and collected in excess of revenues recognized are contract liabilities, which are classified as deferred revenues in the Unaudited Condensed Consolidated Balance Sheet. The term between invoicing and payment due date is not significant. Contracts for professional services provide for a general right, to the client or the Company, to cancel or terminate the contract within a given period of time (generally 10 to 30 days’ notice is required). The client is responsible for any time and expenses incurred up to the date of cancellation or termination of the contract. Certain contracts may include volume discounts or holdbacks, which are accounted for as variable consideration under ASC Topic 606, but are not typically significant. The Company estimates variable consideration based on historical experience and forecasted sales and includes the variable consideration in the transaction price.

Other services revenues are comprised of hosting fees, partner referral fees, maintenance agreements, training and internally developed software-as-a-service (“SaaS”) sales. Revenues from hosting fees, maintenance agreements, training and internally developed SaaS sales are generally recognized over time using a time-based measure of progress as services are rendered. Partner referral fees are recorded at a point in time upon meeting specified requirements set by each partner to earn the respective fee.

On many professional service projects, the Company is also reimbursed for out-of-pocket expenses including travel and other project-related expenses.  These reimbursements are included as a component of the transaction price of the respective professional services contract and are invoiced as the expenses are incurred. The Company structures its professional services arrangements to recover the cost of reimbursable expenses without a markup.

Software and Hardware Revenues

Software and hardware revenues are comprised of third-party software and hardware resales, in which the Company is considered the agent, and sales of internally developed software, in which the Company is considered the principal. Third-party software and hardware revenues are recognized and invoiced when the Company fulfills its obligation to arrange the sale, which occurs when the purchase order with the vendor is executed and the customer has access to the software or the hardware has been shipped to the customer. Internally developed software revenues are recognized and invoiced when control is transferred to the customer, which occurs when the software has been made available to the customer and the license term has commenced. Revenues from third-party software and hardware sales are recorded on a net basis, while revenues from internally developed software sales are recorded on a gross basis. There are no significant cancellation or termination-type provisions for the Company’s software and hardware sales, and the term between invoicing and payment due date is not significant.

Arrangements with Multiple Performance Obligations

Arrangements with clients may contain multiple promises such as delivery of software, hardware, professional services or post-contract support services. These promises are accounted for as separate performance obligations if they are distinct.  For arrangements with clients that contain multiple performance obligations, the transaction price is allocated to the separate performance obligations based on estimated relative standalone selling price, which is estimated by the expected cost plus a margin approach, taking into consideration market conditions and competitive factors.

Contract Costs

In accordance with the terms of the Company’s sales commission plan, commissions are not earned until the related revenue is recognized. Therefore, sales commissions are expensed as they are incurred. Certain sales incentives are accrued based on achievement of specified bookings goals. For these incentives, the Company applies the practical expedient that allows the Company to expense the incentives as incurred, since the amortization period would have been one year or less.

Stock-Based Compensation

Stock-based compensation is accounted for in accordance with ASC Topic 718, Compensation – Stock Compensation. Under this guidance, the Company recognizes share-based compensation ratably using the straight-line attribution method over the requisite service period, which is generally three years. In addition, the Company has elected to estimate the amount of expected forfeitures when calculating share-based compensation, instead of accounting for forfeitures as they occur. The fair value of restricted stock awards is based on the value of the Company’s common stock on the date of the grant.

Goodwill and Intangible Assets

Goodwill represents the excess purchase price over the fair value of net assets acquired, or net liabilities assumed, in a business combination. In accordance with ASC Topic 350, Intangibles – Goodwill and Other, the Company performs an annual impairment review in the fourth quarter and more frequently if events or changes in circumstances indicate that goodwill might be impaired. There was no indication that goodwill became impaired as of September 30, 2018.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software, which are being amortized over the assets’ estimated useful lives using the straight-line method. Estimated useful lives range from less than one year to ten years. Amortization of customer relationships, non-compete arrangements, trade names, customer backlog, and internally developed software is considered an operating expense and is included in “Amortization” in the accompanying Unaudited Condensed Consolidated Statements of Operations. The Company periodically reviews the estimated useful lives of its identifiable intangible assets, taking into consideration any events or circumstances that might result in a lack of recoverability or revised useful life.

Debt

In accordance with accounting for debt with conversions and other options, the Company bifurcated the principal amount of the Notes into liability and equity components. The initial liability component of the Notes was valued at $122.9 million based on the contractual cash flows discounted at an appropriate comparable market non-convertible debt borrowing rate at the date of issuance of 5.7%. The equity component representing the residual amount of the proceeds was recorded as an increase in additional paid-in capital within stockholders’ equity of $20.9 million, partially offset by the associated deferred tax effect of $5.4 million. The amount recorded within additional paid-in capital is not to be remeasured as long as it continues to meet the conditions for equity classification. The debt discount of $20.9 million is being amortized to interest expense using the effective interest method with an effective interest rate of 5.7% over the period from the issuance date through the contractual maturity date of September 15, 2023. The Company will utilize the treasury stock method to calculate the effects of the Notes on diluted earnings per share.

2023 Convertible Notes Hedges

In connection with the issuance of the Notes, the Company entered into privately negotiated convertible note hedge transactions (the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 3.8 million shares of common stock at a strike price of $37.60, which is equal to the number of shares of common stock that notionally underlie the Notes and corresponds to the conversion price of the Notes. If the Company elects cash settlement and exercises the Notes Hedges, the aggregate amount of cash received from the Option Counterparties will cover the aggregate amount of cash that the Company would be required to pay to the holders of the Notes, less the principal amount thereof. The Notes Hedges do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s stock and are accounted for as freestanding financial instruments. The Notes Hedges were recorded as a reduction in additional paid-in capital within stockholders’ equity of $20.7 million, partially offset by the deferred tax effect of $5.3 million.

2023 Convertible Notes Warrants

In connection with the issuance of the Notes, the Company also sold net-share-settled warrants (the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the Notes Warrants was approximately $46.62 per share, and is subject to certain adjustments under the terms of the Notes Warrants. As a result of the Notes Warrants and related transactions, the Company is required to recognize incremental dilution of earnings per share to the extent the average share price is over $46.62 for any fiscal quarter. The Notes Warrants expire over a period of 100 trading days commencing on December 15, 2023and may be settled in net shares of common stock or net cash at the Company’s election. The Notes Warrants were recorded as an increase in additional paid-in capital within stockholders’ equity of $12.1 million.

Derivatives

Both the gain or loss on the derivatives not designated as hedging instruments and the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings. Realized gains or losses and changes in the estimated fair value of foreign currency forward contracts that have not been designated as hedges were a net loss of $0.1 million for each of the three and nine months ended September 30, 2018. An immaterial net gain was recognized during the three months ended September 30, 2017 and a net gain of $0.1 million was recognized during the nine months ended September 30, 2017. Gains and losses on these contracts are recorded in net other expense (income) and net interest expense in the Unaudited Condensed Consolidated Statements of Operations and are offset by losses and gains on the related hedged items.  The fair value of the Company’s derivative instruments outstanding as of September 30, 2018 was immaterial.

Fair Value Measurement

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

• Level 1 – Inputs are quoted prices in active markets for identical assets or liabilities.

• Level 2 – Inputs are quoted prices for similar assets or liabilities in an active market, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable and market-corroborated inputs which are derived principally from or corroborated by observable market data.

• Level 3 – Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

All highly liquid investments with maturities at date of purchase of three months or less are considered to be cash equivalents. Based on their short-term nature, the carrying value of cash equivalents approximate their fair value. As of September 30, 2018, $37.0 million of the Company’s cash and cash equivalents balance related to money-market fund investments. These short-term money-market funds are considered Level 1 investments.

The fair value of the Notes is measured using quoted price inputs. The Notes are not actively traded, and thus the price inputs represent a Level 2 measurement. As the quoted price inputs are highly variable from day to day, the fair value estimates could significantly increase or decrease.

The Company’s Notes are carried at their principal amount less unamortized debt discount and issuance costs, and are not carried at fair value at each period end. The original debt discount was calculated at a market interest rate for nonconvertible debt at the time of issuance, which represented a Level 3 fair value measurement. The approximate fair value of the Notes as of September 30, 2018 was $136.0 million, which is estimated on the basis of inputs that are observable in the market and is considered a Level 2 fair value measurement.

The fair value of the Company’s foreign exchange forward contracts is measured using the present value of expected cash flows. This considers the difference between the current market forward price and contracted forward price for each foreign exchange contract and applies the difference in the rates to each outstanding contract. Valuations for all derivative instruments represent Level 2 measurements.

Commitments and Contingencies, Policy

From time to time the Company is involved in legal proceedings, claims and litigation related to employee claims, contractual disputes and taxes in the ordinary course of business. Although the Company cannot predict the outcome of such matters, currently the Company has no reason to believe the disposition of any current matter could reasonably be expected to have a material adverse impact on the Company’s financial position, results of operations or the ability to carry on any of its business activities.

Lessee, Leases

The Company leases office space under various operating lease agreements. The Company has the option to extend the term of certain lease agreements.

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Recent Accounting Pronouncements (Tables)

9 Months Ended

Sep. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Impacts of ASC Topic 606 Adoption on Current Period Results

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Balance Sheet as of  September 30, 2018 are as follows (in thousands):

	As Reported		ASC Topic 606 Impact			Without ASC Topic 606 Adoption
Accounts receivable, net	$	109,764	$	(1,512	)	$	108,252
Total assets	549,269		(1,512		)	547,757
Other current liabilities	44,172		(1,512		)	42,660
Total liabilities	194,265		(1,512		)	192,753

The impacts of ASC Topic 606 adoption on the Unaudited Condensed Consolidated Statement of Operations for the three and nine months ended September 30, 2018 are as follows (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption (Gross Presentation)		As Reported (Net Presentation)		ASC Topic 606 Impact		Without ASC Topic 606 Adoption  (Gross Presentation)
Revenues
Services	$	122,879	$	—	$	122,879	$	363,986	$	—	$	363,986
Software and hardware	1,054		3,665		4,719		2,686		16,050		18,736
Total revenues	123,933		3,665		127,598		366,672		16,050		382,722
Cost of revenues
Cost of services	79,183		—		79,183		238,004		—		238,004
Software and hardware costs	—		3,665		3,665		—		16,050		16,050
Total cost of revenues	79,183		3,665		82,848		238,004		16,050		254,054
Income from operations	9,261		—		9,261		24,543		—		24,543
Net income	6,305		—		6,305		17,083		—		17,083

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Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents revenue disaggregated by revenue source and pattern of revenue recognition (in thousands):

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	85,127	$	—	$	85,127	$	252,158	$	—	$	252,158
Fixed fee percent complete contracts	9,731		—		9,731		26,741		—		26,741
Fixed fee contracts	20,402		—		20,402		62,001		—		62,001
Reimbursable expenses	3,223		—		3,223		9,468		—		9,468
Total professional services fees	118,483		—		118,483		350,368		—		350,368
Other services revenue*	3,610		786		4,396		11,229		2,389		13,618
Total services	122,093		786		122,879		361,597		2,389		363,986
Software and hardware	—		1,054		1,054		—		2,686		2,686
Total revenues	$	122,093	$	1,840	$	123,933	$	361,597	$	5,075	$	366,672

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS and partner referral fees.

The following table presents revenue disaggregated by geographic area, as determined by the billing address of customers (in thousands):

	Three Months Ended September 30, 2018		Nine Months Ended September 30, 2018
United States	$	121,440	$	358,179
Canada	800		2,910
Other countries	1,693		5,583
Total revenues	$	123,933	$	366,672

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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

Restricted Stock Activity

Restricted stock activity for the nine months ended September 30, 2018 was as follows (shares in thousands):

	Shares		Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2017	1,436		$	18.12
Awards granted	366		22.08
Awards vested	(334	)	19.26
Awards forfeited	(87	)	17.45
Restricted stock awards outstanding at September 30, 2018	1,381		$	18.91

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Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Basic and Diluted Net Income per Share

The following table presents the calculation of basic and diluted net income per share (in thousands, except per share information):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Net income	$	6,305	$	7,027	$	17,083	$	12,146
Basic:
Weighted-average shares of common stock outstanding	32,648		32,673		32,724		32,997
Shares used in computing basic net income per share	32,648		32,673		32,724		32,997
Effect of dilutive securities:
Restricted stock subject to vesting	733		459		665		450
Shares issuable for acquisition consideration (1)	264		859		457		638
Shares used in computing diluted net income per share	33,645		33,991		33,846		34,085
Basic net income per share	$	0.19	$	0.22	$	0.52	$	0.37
Diluted net income per share	$	0.19	$	0.21	$	0.50	$	0.36

(1) For the three and nine months ended September 30, 2018, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm Systems, Inc. (“BioPharm”); (ii) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (iii) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (iv) the Asset Purchase Agreement with Clarity Consulting, Inc. and Truth Labs, LLC (together, “Clarity”); (v) the Asset Purchase Agreement with Southport Services Group, LLC (“Southport”); and (vi) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”), as part of the consideration.  For the three and nine months ended September 30, 2017, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with BioPharm; (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with The Pup Group, Inc. d/b/a Enlighten (“Enlighten”); (iv) the Asset Purchase Agreement with RAS; and (v) the Asset Purchase Agreement with Clarity, as part of the consideration.

Antidilutive Securities Excluded from Computation of Earnings Per Share

The number of anti-dilutive securities not included in the calculation of diluted net income per share were as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
Restricted stock subject to vesting	—	—	40	117
Convertible senior notes	3,823	—	3,823	—
Warrants related to the issuance of convertible senior notes	3,823	—	3,823	—
Total anti-dilutive securities	7,646	—	7,686	117

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Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Accounts Receivable

	September 30, 2018 (unaudited)			December 31, 2017
	(in thousands)
Accounts receivable:
Accounts receivable	$	66,541		$	82,603
Unbilled revenues	44,038			30,863
Allowance for doubtful accounts	(815		)	(1,272		)
Total	$	109,764		$	112,194

Property and Equipment

Property and equipment:
Computer hardware (useful life of 3 years)	$	13,832		$	13,110
Software (useful life of 1 to 7 years)	5,042			5,159
Furniture and fixtures (useful life of 5 years)	4,472			3,772
Leasehold improvements (useful life of 5 years)	3,172			2,836
Less: Accumulated depreciation	(19,953		)	(17,732		)
Total	$	6,565		$	7,145

Other Current Liabilities

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	15,356	$	8,148
Accrued variable compensation	12,810		16,842
Deferred revenue	4,733		3,278
Other current liabilities	4,452		3,879
Payroll related costs	3,378		2,971
Accrued medical claims expense	2,072		2,133
Professional fees	1,106		357
Accrued subcontractor fees	265		469
Total	$	44,172	$	38,077

Other Non-Current Liabilities

Other non-current liabilities:
Deferred income taxes	$	7,638	$	7,360
Other non-current liabilities	7,742		4,667
Deferred compensation liability	4,874		4,409
Total	$	20,254	$	16,436

(1) As of September 30, 2018, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by Stone Temple, Southport and Clarity twelve months after the acquisition. As of December 31, 2017, represents the fair value estimate of additional revenue and earnings-based contingent consideration that may be realized by Clarity twelve months after the acquisition.

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Business Combinations (Tables)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Allocation of Total Purchase Price Consideration

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	4.2
Identified intangible assets	5.7
Liabilities assumed	(1.8		)
Goodwill	10.5
Total purchase price	$	18.6

The Company has estimated the allocation of the total purchase price consideration between tangible assets, identified intangible assets, liabilities, and goodwill as follows (in millions):

Acquired tangible assets	$	2.5
Identified intangible assets	4.6
Liabilities assumed	(1.5		)
Goodwill	6.8
Total purchase price	$	12.4

Schedule of Finite-Lived Intangible Assets Acquired

The following table presents details of the intangible assets acquired during the nine months ended September 30, 2018 (dollars in millions):

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	5 years	5 - 6 years	$	8.2
Customer backlog	1 year	1 - 1.5 years	1.4
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.1
Developed software	3 years	3 years	0.4
Total acquired intangible assets			$	10.3

Pro-Forma Results of Operations

The aggregate amounts of revenue and net income of the Southport and Stone Temple acquisitions in the Unaudited Condensed Consolidated Statements of Operations from the respective acquisition dates to September 30, 2018 are as follows (in thousands):

	Acquisition Date to September 30, 2018
Revenues	$	10,774
Net income	$	777

These unaudited pro-forma results are presented in compliance with the adoption of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations, and are not necessarily indicative of the actual consolidated results of operations had the acquisitions actually occurred on January 1, 2017 or January 1, 2016 or of future results of operations of the consolidated entities (in thousands except per share data):

	Nine Months Ended September 30,
	2018		2017
Revenues	$	376,695	$	385,639
Net income	$	20,846	$	12,845
Basic net income per share	$	0.63	$	0.38
Diluted net income per share	$	0.61	$	0.37
Shares used in computing basic net income per share	33,054		33,505
Shares used in computing diluted net income per share	33,931		34,582

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2018 are as follows (in thousands):

Balance at December 31, 2017	$	305,238
Preliminary purchase price allocations for acquisitions	17,267
Effect of foreign currency translation adjustments	(510		)
Balance at September 30, 2018	$	321,995

Intangible Assets

The following table presents a summary of the Company’s intangible assets that are subject to amortization (in thousands):

	September 30, 2018							December 31, 2017
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	80,176	$	(37,781	)	$	42,395	$	75,407	$	(32,307	)	$	43,100
Non-compete agreements	1,626		(789		)	837		1,556		(707		)	849
Customer backlog	1,400		(443		)	957		1,650		(866		)	784
Trade name	110		(43		)	67		100		(53		)	47
Internally developed software	11,900		(6,335		)	5,565		11,325		(5,039		)	6,286
Total	$	95,212	$	(45,391	)	$	49,821	$	90,038	$	(38,972	)	$	51,066

Estimated Useful Lives of Intangible Assets

The estimated useful lives of identifiable intangible assets are as follows:

Customer relationships	5 - 10 years
Non-compete agreements	2 - 5 years
Customer backlog	1 - 1.5 years
Trade name	1 year
Internally developed software	2 - 7 years

Estimated Annual Amortization Expense

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows and excludes the impact of the acquisition referenced in Note 15, Subsequent Events (in thousands):

2018 remaining	$	4,054
2019	$	14,767
2020	$	11,021
2021	$	8,813
2022	$	7,404
Thereafter	$	3,762

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Long-term Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Interest expense for the three and nine months ended September 30, 2018 related to the Notes consisted of the following (in thousands):

	Three and Nine Months Ended September 30, 2018
Coupon interest	$	190
Amortization of debt discount	200
Amortization of debt issuance costs	45
Total interest expense recognized	$	435

The liability and equity components of the Notes consisted of the following (in thousands):

	As of September 30, 2018
Liability component:
Principal	$	143,750
Less: Unamortized debt discount	(20,716		)
Unamortized debt issuance costs	(3,996		)
Net carrying amount	$	119,038
Equity component:
Debt discount for conversion option, net of taxes	$	15,547
Less: Issuance costs, net of taxes	(511		)
Net carrying amount	$	15,036

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The notional amounts of the Company’s derivative instruments outstanding were as follows (in thousands):

	September 30, 2018		December 31, 2017
Derivatives not designated as hedges
Foreign exchange contracts	$	2,984	$	3,979
Total derivatives not designated as hedges	$	2,984	$	3,979

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Commitments Under Operating Lease Agreements

Future minimum commitments under these lease agreements as of September 30, 2018 were as follows (in thousands):

	Operating Leases
2018 remaining	$	1,766
2019	7,059
2020	6,608
2021	5,122
2022	3,288
2023	3,609
Total minimum lease payments	$	27,452

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Recent Accounting Pronouncements - Impact on Unaudited Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets [Abstract]
Accounts receivable, net	$ 109,764	$ 112,194
Total assets	549,269	499,060
Liabilities [Abstract]
Other current liabilities	44,172	38,077
Total liabilities	194,265	$ 132,709
ASC Topic 606 Impact | ASU 2014-09
Assets [Abstract]
Accounts receivable, net	(1,512)
Total assets	(1,512)
Liabilities [Abstract]
Other current liabilities	(1,512)
Total liabilities	(1,512)
Without ASC Topic 606 Adoption | ASU 2014-09
Assets [Abstract]
Accounts receivable, net	108,252
Total assets	547,757
Liabilities [Abstract]
Other current liabilities	42,660
Total liabilities	$ 192,753

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Recent Accounting Pronouncements - Impact on Unaudited Condensed Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Revenues	$ 123,933	$ 123,738	$ 366,672	$ 351,783
Cost of revenues
Cost of Goods and Services Sold	79,183	81,139	238,004	233,718
Income from operations	9,261	10,957	24,543	24,041
Net income	6,305	7,027	17,083	12,146
Services
Revenues
Revenues	122,879	117,415	363,986	329,192
Cost of revenues
Cost of Goods and Services Sold	79,183	75,971	238,004	214,858
Software and hardware
Revenues
Revenues	1,054	6,323	2,686	22,591
Cost of revenues
Cost of Goods and Services Sold	0	$ 5,168	0	$ 18,860
Impact of ASC Topic 606 Adoption | ASU 2014-09
Revenues
Revenues	3,665		16,050
Cost of revenues
Cost of Goods and Services Sold	3,665		16,050
Income from operations	0		0
Net income	0		0
Impact of ASC Topic 606 Adoption | ASU 2014-09 | Services
Revenues
Revenues	0		0
Cost of revenues
Cost of Goods and Services Sold	0		0
Impact of ASC Topic 606 Adoption | ASU 2014-09 | Software and hardware
Revenues
Revenues	3,665		16,050
Cost of revenues
Cost of Goods and Services Sold	3,665		16,050
Without ASC Topic 606 Adoption | ASU 2014-09
Revenues
Revenues	127,598		382,722
Cost of revenues
Cost of Goods and Services Sold	82,848		254,054
Income from operations	9,261		24,543
Net income	6,305		17,083
Without ASC Topic 606 Adoption | ASU 2014-09 | Services
Revenues
Revenues	122,879		363,986
Cost of revenues
Cost of Goods and Services Sold	79,183		238,004
Without ASC Topic 606 Adoption | ASU 2014-09 | Software and hardware
Revenues
Revenues	4,719		18,736
Cost of revenues
Cost of Goods and Services Sold	$ 3,665		$ 16,050

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Revenue - Services Revenue (Details) - Services	9 Months Ended
	Sep. 30, 2018
Minimum
Disaggregation of Revenue [Line Items]
Notice period to cancel or terminate contract	10 days
Maximum
Disaggregation of Revenue [Line Items]
Notice period to cancel or terminate contract	30 days

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Revenue - Deferred Revenue (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Change in Contract with Customer, Asset and Liability [Abstract]
Deferred revenue balance	$ 4.7	$ 3.3
ASU 2014-09
Change in Contract with Customer, Asset and Liability [Abstract]
Deferred revenue balance		$ 6.1
Impact of ASC Topic 606 Adoption | ASU 2014-09
Change in Contract with Customer, Asset and Liability [Abstract]
Recognition of deferred revenue	$ 4.5

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Revenue - Disaggregation of Revenue by Revenue Source and Pattern of Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 123,933	$ 123,738	$ 366,672	$ 351,783
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	122,093		361,597
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	1,840		5,075
Services
Disaggregation of Revenue [Line Items]
Revenues	122,879	117,415	363,986	329,192
Services | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	122,093		361,597
Services | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	786		2,389
Professional Services
Disaggregation of Revenue [Line Items]
Revenues	118,483		350,368
Professional Services | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	118,483		350,368
Professional Services | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Professional Services | Time and materials contracts
Disaggregation of Revenue [Line Items]
Revenues	85,127		252,158
Professional Services | Time and materials contracts | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	85,127		252,158
Professional Services | Time and materials contracts | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Professional Services | Fixed fee percent complete contracts
Disaggregation of Revenue [Line Items]
Revenues	9,731		26,741
Professional Services | Fixed fee percent complete contracts | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	9,731		26,741
Professional Services | Fixed fee percent complete contracts | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Professional Services | Fixed fee contracts
Disaggregation of Revenue [Line Items]
Revenues	20,402		62,001
Professional Services | Fixed fee contracts | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	20,402		62,001
Professional Services | Fixed fee contracts | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Professional Services | Reimbursable expenses
Disaggregation of Revenue [Line Items]
Revenues	3,223		9,468
Professional Services | Reimbursable expenses | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	3,223		9,468
Professional Services | Reimbursable expenses | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Other Services
Disaggregation of Revenue [Line Items]
Revenues	4,396		13,618
Other Services | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	3,610		11,229
Other Services | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	786		2,389
Software and hardware
Disaggregation of Revenue [Line Items]
Revenues	1,054	$ 6,323	2,686	$ 22,591
Software and hardware | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenues	0		0
Software and hardware | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenues	$ 1,054		$ 2,686

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Revenue - Disaggregation of Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 123,933	$ 123,738	$ 366,672	$ 351,783
United States
Disaggregation of Revenue [Line Items]
Revenues	121,440		358,179
Canada
Disaggregation of Revenue [Line Items]
Revenues	800		2,910
Other countries
Disaggregation of Revenue [Line Items]
Revenues	$ 1,693		$ 5,583

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Stock-Based Compensation - Stock Award Plans (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Stock-Based Compensation [Abstract]
Requisite service period			3 years
Stock-based compensation expense	$ 4.1	$ 3.6	$ 12.1	$ 11.0
Stock-based compensation expense for retirement savings plan contributions	0.7	0.6	2.1	1.9
Associated current and future income tax benefits recognized	0.8	$ 1.1	2.4	$ 3.4
Total unrecognized compensation cost related to non-vested share-based awards	$ 17.1		$ 17.1
Unrecognized compensation cost, weighted-average period for recognition			2 years
2012 Long Term Incentive Plan
Stock-Based Compensation [Abstract]
Maximum number of shares authorized under plan (in shares)	7.0		7.0
Number of shares available for issuance under the Incentive Plan	2.6		2.6

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Stock-Based Compensation - Restricted Stock Activity (Details) - 2012 Long Term Incentive Plan - Restricted stock subject to vesting shares in Thousands	9 Months Ended
	Sep. 30, 2018 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock awards outstanding at beginning of period (in shares) | shares	1,436
Awards granted (in shares) | shares	366
Awards vested (in shares) | shares	(334)
Awards forfeited (in shares) | shares	(87)
Restricted stock awards outstanding at end of period (in shares) | shares	1,381
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Awards outstanding at beginning of period (in dollars per share) | $ / shares	$ 18.12
Awards granted (in dollars per share) | $ / shares	22.08
Awards vested (in dollars per share) | $ / shares	19.26
Awards forfeited (in dollars per share) | $ / shares	17.45
Awards outstanding at end of period (in dollars per share) | $ / shares	$ 18.91

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Net Income per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 6,305	$ 7,027	$ 17,083	$ 12,146
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Weighted-average shares of common stock outstanding	32,648	32,673	32,724	32,997
Shares used in computing basic net income per share	32,648	32,673	32,724	32,997
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Restricted stock subject to vesting	733	459	665	450
Shares issuable for acquisition consideration (in shares)	264	859	457	638
Shares used in computing diluted net income per share	33,645	33,991	33,846	34,085
Basic net income per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.52	$ 0.37
Diluted net income per share (in dollars per share)	$ 0.19	$ 0.21	$ 0.50	$ 0.36

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Net Income per Share - Anti-dilutive Securities (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	7,646	0	7,686	117
Restricted stock subject to vesting
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	0	0	40	117
Convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	3,823	0	3,823	0
Warrants related to the issuance of convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	3,823	0	3,823	0

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Net Income per Share - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	Aug. 15, 2018	Feb. 20, 2018	Sep. 30, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Increase in authorized amount to be repurchased	$ 75.0	$ 25.0
Stock Repurchase Program, Authorized Amount			$ 235.0	$ 135.0
Cumulative amount repurchased			$ 186.8
Cumulative number of shares repurchased			14.2

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Balance Sheet Components - Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Accounts receivable	$ 66,541	$ 82,603
Unbilled revenues	44,038	30,863
Allowance for doubtful accounts	(815)	(1,272)
Total	$ 109,764	$ 112,194

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Balance Sheet Components - Property and Equipment) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Property and Equipment [Abstract]
Less: Accumulated depreciation	$ (19,953)	$ (17,732)
Property and equipment, net	6,565	7,145
Computer Hardware
Property and Equipment [Abstract]
Property, Plant and Equipment, Gross	$ 13,832	13,110
Useful life	3 years
Software and Software Development Costs
Property and Equipment [Abstract]
Property, Plant and Equipment, Gross	$ 5,042	5,159
Furniture And Fixtures
Property and Equipment [Abstract]
Property, Plant and Equipment, Gross	$ 4,472	3,772
Useful life	5 years
Leasehold Improvements
Property and Equipment [Abstract]
Property, Plant and Equipment, Gross	$ 3,172	$ 2,836
Useful life	5 years
Minimum | Software and Software Development Costs
Property and Equipment [Abstract]
Useful life	1 year
Maximum | Software and Software Development Costs
Property and Equipment [Abstract]
Useful life	7 years

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Balance Sheet Components - Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Estimated fair value of contingent consideration liability	$ 15,356	$ 8,148
Accrued variable compensation	12,810	16,842
Deferred revenue	4,733	3,278
Other current liabilities	4,452	3,879
Payroll related costs	3,378	2,971
Accrued medical claims expense	2,072	2,133
Professional fees	1,106	357
Accrued subcontractor fees	265	469
Total	$ 44,172	$ 38,077

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Balance Sheet Components - Other Non-Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Deferred income taxes	$ 7,638	$ 7,360
Other non-current liabilities	7,742	4,667
Deferred compensation liability	4,874	4,409
Total	$ 20,254	$ 16,436

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Business Combinations - RAS (Details) - RAS - USD ($) $ in Millions	Jan. 03, 2017	Sep. 30, 2018
Business Combinations [Abstract]
Date of acquisition	Jan. 03, 2017
Total purchase price	$ 10.4
Cash paid for acquisition	7.1
Common stock issued	2.1
Net working capital settlement	(0.6)
Initial fair value estimate of additional earnings-based contingent consideration	$ 1.8
Tax deductible amount of Goodwill		$ 3.7

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Business Combinations - Clarity (Details) - Clarity Consultants - USD ($) $ in Millions	Jun. 22, 2017	Sep. 30, 2018
Business Combinations [Abstract]
Date of acquisition	Jun. 22, 2017
Total purchase price	$ 41.7
Cash paid for acquisition	30.7
Common stock issued	7.3
Net working capital settlement	(0.4)
Initial fair value estimate of additional earnings-based contingent consideration	$ 4.1
Contingent consideration, maximum cash payout		$ 9.2
Tax deductible amount of Goodwill		$ 22.1

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Business Combinations - Southport (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 02, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Business Combinations [Abstract]
Period to realize additional earnings-based contingent consideration				12 months
Adjustment to fair value of contingent consideration		$ 666	$ (389)	$ 1,757	$ (828)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill		321,995		321,995		$ 305,238
Southport Services Group, LLC
Business Combinations [Abstract]
Date of acquisition	Apr. 02, 2018
Cash paid for acquisition	$ 11,300
Common stock issued	2,700
Net working capital settlement	300
Initial fair value estimate of additional earnings-based contingent consideration	4,300
Contingent consideration, maximum cash payout		6,600		6,600
Current Contingent Consideration Liability		5,000		5,000
Adjustment to fair value of contingent consideration		700		700
Transaction costs		800		800
Common stock value attributed to future compensation		300		300
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Acquired tangible assets	4,200
Identified intangible assets	5,700
Liabilities assumed	(1,800)
Goodwill	10,500
Total purchase price	$ 18,600
Tax deductible amount of Goodwill		$ 7,100		$ 7,100

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Business Combinations - Stone Temple (Details) - USD ($) $ in Thousands		9 Months Ended
	Jul. 16, 2018	Sep. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Period to realize additional earnings-based contingent consideration		12 months
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill		$ 321,995	$ 305,238
Stone Temple Consulting Corporation
Business Acquisition [Line Items]
Date of acquisition	Jul. 16, 2018
Cash paid for acquisition	$ 9,900
Common stock issued	1,200
Net working capital settlement	100
Initial fair value estimate of additional earnings-based contingent consideration	1,200
Contingent consideration, maximum cash payout		2,600
Transaction costs		500
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Acquired tangible assets	2,500
Identified intangible assets	4,600
Liabilities assumed	(1,500)
Goodwill	6,800
Total purchase price	$ 12,400
Tax deductible amount of Goodwill		$ 5,400

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Business Combinations - Intangible Assets Acquired (Details) $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($)
Finite-Lived Intangible Assets, Gross [Abstract]
Aggregate Acquisitions	$ 10.3
Customer relationships
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted Average Useful Life	5 years
Aggregate Acquisitions	$ 8.2
Customer backlog
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted Average Useful Life	1 year
Aggregate Acquisitions	$ 1.4
Non-compete agreements
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted Average Useful Life	5 years
Estimated Useful Life	5 years
Aggregate Acquisitions	$ 0.2
Trade name
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted Average Useful Life	1 year
Estimated Useful Life	1 year
Aggregate Acquisitions	$ 0.1
Internally developed software
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted Average Useful Life	3 years
Estimated Useful Life	3 years
Aggregate Acquisitions	$ 0.4
Minimum | Customer relationships
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated Useful Life	5 years
Minimum | Customer backlog
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated Useful Life	1 year
Maximum | Customer relationships
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated Useful Life	6 years
Maximum | Customer backlog
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated Useful Life	1 year 6 months

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Business Combinations - Acquisition Results (Details) - Southport and Stone Temple $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Business Acquisition [Line Items]
Revenues	$ 10,774
Net income	$ 777

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Business Combinations - Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition, Pro Forma Information [Abstract]
Revenues	$ 376,695	$ 385,639
Net income	$ 20,846	$ 12,845
Basic net income per share	$ 0.63	$ 0.38
Diluted net income per share	$ 0.61	$ 0.37
Shares used in computing basic net income per share	33,054	33,505
Shares used in computing diluted net income per share	33,931	34,582

XML

Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Balance at beginning of period	$ 305,238
Preliminary purchase price allocations for acquisitions	17,267
Effect of foreign currency translation adjustments	(510)
Balance at end of period	$ 321,995

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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	$ 95,212	$ 90,038
Accumulated Amortization	(45,391)	(38,972)
Net Carrying Amounts	49,821	51,066
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	80,176	75,407
Accumulated Amortization	(37,781)	(32,307)
Net Carrying Amounts	42,395	43,100
Non-compete agreements
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	1,626	1,556
Accumulated Amortization	(789)	(707)
Net Carrying Amounts	837	849
Customer backlog
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	1,400	1,650
Accumulated Amortization	(443)	(866)
Net Carrying Amounts	957	784
Trade name
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	110	100
Accumulated Amortization	(43)	(53)
Net Carrying Amounts	67	47
Internally developed software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	11,900	11,325
Accumulated Amortization	(6,335)	(5,039)
Net Carrying Amounts	$ 5,565	$ 6,286

XML

Goodwill and Intangible Assets - Estimated Useful Lives (Details)	9 Months Ended
	Sep. 30, 2018
Customer relationships | Minimum
Intangible Assets [Abstract]
Estimated useful lives	5 years
Customer relationships | Maximum
Intangible Assets [Abstract]
Estimated useful lives	10 years
Non-compete agreements | Minimum
Intangible Assets [Abstract]
Estimated useful lives	2 years
Non-compete agreements | Maximum
Intangible Assets [Abstract]
Estimated useful lives	5 years
Customer backlog | Minimum
Intangible Assets [Abstract]
Estimated useful lives	1 year
Customer backlog | Maximum
Intangible Assets [Abstract]
Estimated useful lives	1 year 6 months
Trade name
Intangible Assets [Abstract]
Estimated useful lives	1 year
Internally developed software | Minimum
Intangible Assets [Abstract]
Estimated useful lives	2 years
Internally developed software | Maximum
Intangible Assets [Abstract]
Estimated useful lives	7 years

XML

Goodwill and Intangible Assets - Estimated Amortization Expense (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Estimated Amortization Expense [Abstract]
2018 remaining	$ 4,054
2019	14,767
2020	11,021
2021	8,813
2022	7,404
Thereafter	$ 3,762

XML

Long-term Debt - Revolving Credit Facility (Details)	9 Months Ended
	Sep. 30, 2018 USD ($)
Line of Credit [Abstract]
Leverage Ratio	3
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum
Line of Credit [Abstract]
Margin interest rate percentage	1.00%
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum
Line of Credit [Abstract]
Margin interest rate percentage	1.75%
Revolving Credit Facility | Credit Agreement
Line of Credit [Abstract]
Maximum borrowing capacity	$ 125,000,000
Additional commitment increase	$ 75,000,000
Maturity date	Jun. 09, 2022
Allowable amount of letters of credit for issuance	$ 10,000,000
Letters of Credit Outstanding, Amount	200,000
Available borrowing capacity	$ 124,800,000
EBITDA Ratio	3
Leverage Ratio needed for payment of dividends	2
Revolving Credit Facility | Credit Agreement | Minimum
Line of Credit [Abstract]
Annual commitment fee percentage on unused capacity	0.15%
Revolving Credit Facility | Credit Agreement | Maximum
Line of Credit [Abstract]
Annual commitment fee percentage on unused capacity	0.20%
Revolving Credit Facility | Credit Agreement | Prime Rate
Line of Credit [Abstract]
Interest rate at end of period	5.25%
Revolving Credit Facility | Credit Agreement | Prime Rate | Minimum
Line of Credit [Abstract]
Margin interest rate percentage	0.00%
Revolving Credit Facility | Credit Agreement | Prime Rate | Maximum
Line of Credit [Abstract]
Margin interest rate percentage	0.50%
Revolving Credit Facility | Credit Agreement | London Interbank Offered Rate (LIBOR)
Line of Credit [Abstract]
Interest rate at end of period	2.26%
Term of variable rate	1 month

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Long-term Debt - Convertible Senior Notes (Additional Notes) (Details) $ / shares in Units, $ in Thousands, shares in Millions		9 Months Ended
	Sep. 11, 2018 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 28, 2018 $ / shares
Debt Instrument [Line Items]
Proceeds from issuance of convertible notes		$ 143,750	$ 0
Maturity date		Sep. 15, 2023
Closing price of common stock (in dollars per share) | $ / shares				$ 26.65
Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Net proceeds to repurchase common stock	$ 38,800
Purchases of treasury stock and buyback of shares for taxes (in shares) | shares	(1.3)
Cost of hedging transactions	$ 8,600
Convertible Debt | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Interest rate stated, percentage	2.375%
Aggregated principal amount	$ 143,800
Initial purchasers' discount and issuance costs	(4,400)
Proceeds from debt, net of issuance costs	$ 139,400
Shares conversion rate		26.5957
Initial conversion price (in dollars per share) | $ / shares	$ 37.60
Initial liability component of note		$ 122,900
Debt borrowing rate, percentage		5.70%
Debt discount for conversion option		$ 20,900
Deferred Tax Liability, Convertible Debt		5,400
Unamortized debt issuance costs		(3,996)
Debt Issuance Costs, Gross		4,700
Deferred finance cost, attributable liability component		4,000
Deferred finance costs, equity component		700
Deferred tax asset, convertible debt equity component		$ 200
Remaining discount weighted-average remaining period (years)		5 years
Revolving Credit Facility | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Net proceeds to pay down revolving credit facility	$ 49,000

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Long-term Debt - Liability and Equity Component of Note (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Net carrying amount	$ 119,038	$ 55,000
Debt discount for conversion option, net of taxes	15,547
Less: Issuance costs, net of taxes	(511)
Net carrying amount	15,036
Convertible Debt | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Principal	143,750
Less: Unamortized debt discount	(20,716)
Unamortized debt issuance costs	(3,996)
Net carrying amount	$ 119,038

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Long-term Debt - Interest Expense on Note (Details) - Senior notes - Convertible Senior Notes Due 2023 - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Debt Instrument [Line Items]
Coupon interest	$ 190	$ 190
Amortization of debt discount	200	200
Amortization of debt issuance costs	45	45
Total interest expense recognized	$ 435	$ 435

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Long-term Debt - Convertible Note Hedges and Warrants (Details) $ / shares in Units, $ in Thousands, shares in Millions	9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares
Debt Instrument [Line Items]
Expiration Period for Notes Warrants in Trading Days	100 days
Proceeds from issuance of warrants on convertible notes	$ 12,060
Convertible Note Hedges | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Conversion option to acquire shares (in shares) | shares	3.8
Strike price (in dollars per share) | $ / shares	$ 37.60
Cost of purchase of hedges on convertible notes	$ 20,700
Deferred tax amount	5,300
Convertible Debt | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Debt discount for conversion option	$ 20,900
Warrants related to the issuance of convertible senior notes | Convertible Senior Notes Due 2023
Debt Instrument [Line Items]
Warrant exercise price (in dollars per share) | $ / shares	$ 46.62
Warrants related to the issuance of convertible senior notes | Convertible Debt
Debt Instrument [Line Items]
Proceeds from issuance of warrants on convertible notes	$ 12,100

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Taxes [Abstract]
Unrecognized tax benefits	$ 3,400			$ 3,400
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 300			$ 300
Effective tax rate	25.30%		33.30%	25.00%	46.40%
Deferred income taxes	$ 7,638	$ 7,360		$ 7,638
Taxes on foreign earnings repatriated			$ 2,500
Reversal of taxes on foreign earnings repatriated due to 2017 Tax Act		$ (1,600)
Unremitted earnings of foreign subsidiaries	8,700			8,700
Unrecognized deferred tax liability on unremitted earnings of foreign subsidiaries	500			500
Internal Revenue Service (IRS) | Tax Years 2011, 2012 and 2013
Income Taxes [Abstract]
Disallowed research tax credits being litigated	$ 2,500			2,500
Internal Revenue Service (IRS) | Tax Years 2011 to Date
Income Taxes [Abstract]
Income Tax Credits and Adjustments				$ 10,000

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Derivatives - Gains (Losses) on Derivatives, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Foreign Exchange Forward | Net Other Income (Expense) and Net Interest Expense | Not Designated as Hedging Instrument
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Recognized gain (loss) on derivative	$ (0.1)	$ 0.0	$ (0.1)	$ 0.1

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Derivatives - Notional Amounts (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Notional Disclosures [Abstract]
Derivative, Notional Amount	$ 2,984	$ 3,979
Foreign Exchange Forward
Notional Disclosures [Abstract]
Derivative, Notional Amount	$ 2,984	$ 3,979

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Fair Value Measurements (Details) $ in Millions	Sep. 30, 2018 USD ($)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note, debt instrument	$ 136.0
Money Market Funds | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 37.0

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Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2018 remaining	$ 1,766		$ 1,766
2019	7,059		7,059
2020	6,608		6,608
2021	5,122		5,122
2022	3,288		3,288
2023	3,609		3,609
Total minimum lease payments	27,452		27,452
Rent expense	$ 2,100	$ 2,100	$ 6,200	$ 6,000

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Subsequent Events (Details) - Subsequent Event - Elixiter $ in Millions	Oct. 29, 2018 USD ($) shares
Business Combinations [Abstract]
Date of acquisition	Oct. 29, 2018
Cash paid for acquisition	$ 6.3
Common stock issued | shares	64,846
Contingent consideration, maximum cash payout	$ 1.8