10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

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

 For the quarterly period ended March 31, 2021 

OR

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

For the transition period from                    to

Commission file number: 001-15169

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)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.001 par value	PRFT	The Nasdaq Global Select Market

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. o

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

As of April 22, 2021, there were 33,046,807 shares of Common Stock outstanding.

TABLE OF CONTENTS

Part I.	Financial Information	1
Item 1.	Financial Statements	2
	Condensed Consolidated Balance Sheets as of March 31, 2021 (unaudited) and December 31, 2020	2
	Unaudited Condensed Consolidated Statements of Operations for the Three Months Ended March 31, 2021 and 2020	3
	Unaudited Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended March 31. 2021 and 2020	4
	Unaudited Condensed Consolidated Statements of Stockholders’ Equity for the Three Months Ended March 31, 2021 and 2020	5
	Unaudited Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2021 and 2020	6
	Notes to Interim Unaudited Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	28
Item 4.	Controls and Procedures	29
Part II.	Other Information	29
Item 1A.	Risk Factors	29
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	29
Item 5.	Other Information	30
Item 6.	Exhibits	31
	Signatures	32

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, many of which are, or may be, amplified by the novel coronavirus (COVID-19) pandemic:

1.the impact of the general economy and economic and political uncertainty on our business;

2.the impact of the COVID-19 pandemic on our business;

3.risks associated with potential changes to federal, state, local and foreign laws, regulations, and policies;

4.risks associated with the operation of our business generally, including:

a.client demand for our services and solutions;

b.effectively competing in a highly competitive market;

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

d.adapting to changes in technologies and offerings;

e.obtaining favorable pricing to reflect services provided;

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

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

h.changes to immigration policies;

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

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

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

l.maintaining effective internal controls;

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 our debt and the associated convertible note hedge transactions;

7.legal liabilities, including intellectual property protection and infringement or the disclosure of personally identifiable information; and

8.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, 2020, 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 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

(in thousands, except share and per share information)

	March 31, 2021 (unaudited)		December 31, 2020
Assets
Current assets:
Cash and cash equivalents	$	72,058	$	83,204
Accounts receivable, net	138,836		133,085
Prepaid expenses	6,468		5,575
Other current assets	4,688		4,646
Total current assets	222,050		226,510
Property and equipment, net	11,717		11,902
Operating lease right-of-use assets	37,195		38,539
Goodwill	421,927		427,928
Intangible assets, net	55,368		63,571
Other non-current assets	19,253		17,311
Total assets	$	767,510	$	785,761
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable	$	16,150	$	25,613
Other current liabilities	87,373		103,267
Total current liabilities	103,523		128,880
Long-term debt, net	186,135		183,624
Operating lease liabilities	27,937		29,098
Other non-current liabilities	51,381		50,081
Total liabilities	$	368,976	$	391,683
Stockholders’ equity:
Preferred stock (par value $0.001 per share; 8,000,000 authorized; no shares issued or outstanding as of March 31, 2021 and December 31, 2020)	$	—	$	—
Common stock (par value $0.001 per share; 100,000,000 authorized; 50,552,959 shares issued and 32,151,470 shares outstanding as of March 31, 2021; 50,296,453 shares issued and 32,074,094 shares outstanding as of December 31, 2020)	51		50
Additional paid-in capital	465,156		459,866
Accumulated other comprehensive (loss) income	(540)		3,746
Treasury stock, at cost (18,401,489 shares as of March 31, 2021; 18,222,359 shares as of December 31, 2020)	(299,367)		(289,225)
Retained earnings	233,234		219,641
Total stockholders’ equity	398,534		394,078
Total liabilities and stockholders’ equity	$	767,510	$	785,761

See accompanying notes to interim unaudited condensed consolidated financial statements.

2

Perficient, Inc.

Unaudited Condensed Consolidated Statements of Operations

(in thousands, except per share information) 

	Three Months Ended March 31,
	2021		2020
Revenues	$	169,341	$	145,562
Cost of revenues (cost of services, exclusive of depreciation and amortization, shown separately below)	106,062		93,217
Selling, general and administrative	33,979		33,221
Depreciation	1,460		1,288
Amortization	7,052		3,922
Acquisition costs	68		1,813
Adjustment to fair value of contingent consideration	514		(335)
Income from operations	20,206		12,436
Net interest expense	3,296		1,926
Net other expense	122		7
Income before income taxes	16,788		10,503
Provision for income taxes	3,195		1,529
Net income	$	13,593	$	8,974
Basic net income per share	$	0.43	$	0.28
Diluted net income per share	$	0.41	$	0.27
Shares used in computing basic net income per share	31,864		31,637
Shares used in computing diluted net income per share	33,015		32,876

See accompanying notes to interim unaudited condensed consolidated financial statements.

3

Perficient, Inc.

Unaudited Condensed Consolidated Statements of Comprehensive Income

(in thousands)

	Three Months Ended March 31,
	2021		2020
Net income	$	13,593	$	8,974
Other comprehensive (loss) income:
Foreign currency translation adjustment, net of tax	(4,286)		(974)
Comprehensive income	$	9,307	$	8,000

See accompanying notes to interim unaudited condensed consolidated financial statements.

4

Perficient, Inc.

Unaudited Condensed Consolidated Statements of Stockholders’ Equity

(in thousands)

		Three Months Ended March 31,
		2021		2020
Common Stock
Beginning of period		$	50	$	49
	Stock compensation related to restricted stock vesting and retirement savings plan contributions	1		1
End of period		51		50
Additional Paid-in Capital
Beginning of period		459,866		455,465
	Proceeds from the sales of stock through the Employee Stock Purchase Plan	105		40
	Stock compensation related to restricted stock vesting and retirement savings plan contributions	5,185		4,726
	Issuance of stock in conjunction with acquisition including stock attributed to future compensation	—		4,892
End of period		465,156		465,123
Accumulated Other Comprehensive (Loss) Income
Beginning of period		3,746		(2,650)
	Foreign currency translation adjustment	(4,286)		(974)
End of period		(540)		(3,624)
Treasury Stock
Beginning of period		(289,225)		(261,624)
	Purchases of treasury stock and buyback of shares for taxes	(10,142)		(4,835)
End of period		(299,367)		(266,459)
Retained Earnings
Beginning of period		219,641		189,775
	Cumulative effect of accounting changes	—		(315)
	Net income	13,593		8,974
End of period		233,234		198,434
Total Shareholders’ Equity		$	398,534	$	393,524

Common Stock, shares
Beginning of period		32,074	31,687
	Sales of stock through the Employee Stock Purchase Plan	2	1
	Stock compensation related to restricted stock vesting and retirement savings plan contributions	254	320
	Purchases of treasury stock and buyback of shares for taxes	(179)	(114)
	Issuance of stock in conjunction with acquisition including stock attributed to future compensation	—	167
End of period		32,151	32,061

See accompanying notes to interim unaudited condensed consolidated financial statements.

5

Perficient, Inc.

Unaudited Condensed Consolidated Statements of Cash Flows 

 (in thousands)

	Three Months Ended March 31,
	2021		2020
Operating Activities
Net income	$	13,593	$	8,974
Adjustments to reconcile net income to net cash provided by (used in) operations:
Depreciation	1,460		1,288
Amortization	7,052		3,922
Deferred income taxes	455		1,608
Non-cash stock compensation and retirement savings plan contributions	5,113		4,607
Amortization of debt discount and issuance costs	2,528		1,201
Adjustment to fair value of contingent consideration for purchase of businesses	514		(335)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(5,653)		7,656
Other assets	(3,065)		479
Accounts payable	(7,844)		(7,583)
Other liabilities	(12,992)		(26,201)
Net cash provided by (used in) operating activities	1,161		(4,384)
Investing Activities
Purchase of property and equipment	(1,480)		(1,513)
Capitalization of internally developed software costs	(348)		(497)
Purchase of businesses, net of cash acquired	—		(29,785)
Net cash used in investing activities	(1,828)		(31,795)
Financing Activities
Proceeds from the sale of stock through the Employee Stock Purchase Plan	105		40
Purchases of treasury stock	(4,908)		—
Remittance of taxes withheld as part of a net share settlement of restricted stock vesting	(5,234)		(4,835)
Net cash used in financing activities	(10,037)		(4,795)
Effect of exchange rate on cash and cash equivalents	(442)		(453)
Change in cash and cash equivalents	(11,146)		(41,427)
Cash and cash equivalents at beginning of period	83,204		70,728
Cash and cash equivalents at end of period	$	72,058	$	29,301
Supplemental Disclosures:
Cash paid for income taxes	$	1,218	$	397
Cash paid for interest	$	1,445	$	1,759
Non-Cash Investing Activity:
Stock issued for purchase of businesses	$	—	$	4,239
Liability incurred for purchase of property and equipment	$	—	$	307

See accompanying notes to interim unaudited condensed consolidated financial statements.

6

PERFICIENT, INC.

NOTES TO INTERIM UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

MARCH 31, 2021

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, 2020.

Through March 31, 2021, the Company had not experienced a material impact to its business, operations or financial results as a result of the novel coronavirus (COVID-19) pandemic. However, operating results for the three months ended March 31, 2021 are not necessarily indicative of the results that may be expected for the year ended December 31, 2021, particularly in light of the COVID-19 pandemic and its effects on domestic and global economies. To limit the spread of COVID-19, governments have imposed, and may continue to impose, among other things, travel and business operation restrictions and stay-at-home orders and social distancing guidelines, causing some businesses to adjust, reduce or suspend operating activities. While certain of these restrictions and guidelines have been lifted or relaxed, they may be reinstituted in response to continuing effects of the pandemic. These disruptions and restrictions could adversely affect our operating results due to, among other things, reduced demand for our services and solutions, requests for discounts or extended payment terms, or customer bankruptcies. For more information, refer to the statements included under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2020.

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.

There have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2020 that have had a material impact on the Company’s condensed consolidated financial statements and related notes.

3. Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity’s Own Equity (Subtopic 815-40), which simplifies the accounting for convertible instruments. The guidance removes certain accounting models that separate the embedded conversion features from the host contract for convertible instruments, requiring bifurcation only if the convertible debt feature qualifies as a derivative or for convertible debt issued at a substantial premium. The ASU removes certain settlement conditions required for equity contracts to qualify for the derivative scope exception, permitting more contracts to qualify for the exception. In addition, the guidance eliminates the treasury stock method to calculate diluted earnings per share for convertible instruments and requires the use of the if-converted method. The ASU is effective for annual reporting periods beginning after December 15, 2021, including interim reporting periods within those annual periods, with early adoption permitted no earlier than the fiscal year beginning after December 15, 2020. The ASU allows entities to use a modified or full retrospective transition method. Under the modified approach, entities will apply the guidance to all financial instruments that are outstanding as of the beginning of the year of adoption with the cumulative effect recognized as an adjustment to the opening balance of retained earnings. Under the full retrospective method, entities will apply the guidance to all outstanding financial instruments for each prior reporting period presented. The Company will adopt this ASU on January 1, 2022 and is currently evaluating the method of adoption and the related impact of the new guidance on earnings per share and on its financial statements.

7

4. Revenue

The Company’s revenues consist of services and software and hardware sales. In accordance with Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, revenues are recognized when control of 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.

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 hourly rates. 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 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, 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 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.

8

    Revenues are presented net of taxes assessed by governmental authorities. Sales taxes are generally collected and subsequently remitted on all software and hardware sales and certain services transactions as appropriate.

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. Because contracts that contain multiple performance obligations are typically short term due to the contract cancellation provisions, the allocation of the transaction price to the separate performance obligations is not considered a significant estimate.

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 earned. 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 because the amortization period would have been one year or less.

Deferred Revenue

The Company’s deferred revenue balance as of March 31, 2021 and December 31, 2020 was $8.8 million and $9.4 million, respectively. During the three months ended March 31, 2021, $7.6 million was recognized in revenue that was included in the deferred revenue balance at the beginning of the period.

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. The Company 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 March 31, 2021 was immaterial.

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2021						2020
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	128,591	$	—	$	128,591	$	99,991	$	—	$	99,991
Fixed fee percent complete contracts	11,580		—		11,580		11,621		—		11,621
Fixed fee contracts	22,477		—		22,477		25,028		—		25,028
Reimbursable expenses	2,254		—		2,254		4,394		—		4,394
Total professional services fees	164,902		—		164,902		141,034		—		141,034
Other services revenue*	3,117		711		3,828		3,630		738		4,368
Total services	168,019		711		168,730		144,664		738		145,402
Software and hardware	—		611		611		—		160		160
Total revenues	$	168,019	$	1,322	$	169,341	$	144,664	$	898	$	145,562

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

9

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

	Three Months Ended March 31,
	2021		2020
United States	$	165,808	$	142,570
Other countries	3,533		2,992
Total revenues	$	169,341	$	145,562

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. 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 March 31, 2021, there were 1.2 million shares of common stock available for issuance under the Incentive Plan.

Stock-based compensation cost recognized for the three months ended March 31, 2021 was $5.3 million, which included $0.9 million of expense for retirement savings plan contributions. The associated current and future income tax benefit recognized was $1.6 million for the three months ended March 31, 2021. Stock-based compensation cost recognized for the three months ended March 31, 2020 was $4.6 million, which included $0.8 million of expense for retirement savings plan contributions. The associated current and future income tax benefit recognized was $1.5 million for the three months ended March 31, 2020. As of March 31, 2021, there was $32.0 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 three months ended March 31, 2021 was as follows (shares in thousands):

	Shares	Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2020	905	$	35.34
Awards granted	192	55.70
Awards vested	(236)	29.83
Awards forfeited	(18)	35.87
Restricted stock awards outstanding at March 31, 2021	843	$	41.50

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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):

	Three Months Ended March 31,
	2021		2020
Net income	$	13,593	$	8,974
Basic:
Weighted-average shares of common stock outstanding	31,864		31,637
Shares used in computing basic net income per share	31,864		31,637
Effect of dilutive securities:
Restricted stock subject to vesting	448		529
Shares issuable for acquisition consideration (1)	246		181
Shares issuable for conversion of convertible senior notes	433		529
Shares issuable for exercise of warrants	24		—
Shares used in computing diluted net income per share	33,015		32,876
Basic net income per share	$	0.43	$	0.28
Diluted net income per share	$	0.41	$	0.27

(1)For the three months ended March 31, 2021, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (ii) the Asset Purchase Agreement with MedTouch LLC (“MedTouch”); (iii) the Asset Purchase Agreement with Catalyst Networks, Inc. (“Brainjocks”); and (iv) the Stock Purchase Agreement with the shareholders of Productora de Software S.A.S. (“PSL”), as part of the consideration. For the three months ended March 31, 2020, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”); (iv) the Asset Purchase Agreement with Sundog Interactive, Inc. (“Sundog”); (v) the Asset Purchase Agreement with MedTouch; and (vi) the Asset Purchase Agreement with Brainjocks, 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 March 31,
	2021	2020
Restricted stock subject to vesting	—	69
Warrants related to the issuance of convertible senior notes	4,451	3,823
Total anti-dilutive securities	4,451	3,892

See Note 11, Long-term Debt for further information on the convertible senior notes and warrants related to the issuance of convertible notes.

Prior to 2021, the Company’s Board of Directors authorized the repurchase of up to $265.0 million of Company common stock through a stock repurchase program. Subsequent to March 31, 2021, the Board of Directors authorized a $50.0 million expansion of the Company's stock repurchase program for a total repurchase program of $315.0 million and extended the expiration date of the program from June 30, 2021 to December 31, 2022. 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 $244.5 million (15.9 million shares) of outstanding common stock through March 31, 2021.

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7. Balance Sheet Components

	March 31, 2021 (unaudited)		December 31, 2020
Accounts receivable:	(in thousands)
Billed accounts receivable, net	$	81,866	$	85,998
Unbilled revenues, net	56,970		47,087
Total	$	138,836	$	133,085

Property and equipment:
Computer hardware (useful life of 3 years)	$	16,092	$	15,640
Software (useful life of 1 to 7 years)	5,341		5,342
Furniture and fixtures (useful life of 5 years)	4,506		4,597
Leasehold improvements (useful life of 5 years)	7,083		6,607
Less: Accumulated depreciation	(21,305)		(20,284)
Total	$	11,717	$	11,902

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	34,511	$	33,943
Current operating lease liabilities	10,134		10,321
Accrued variable compensation	9,932		27,527
Deferred revenues	8,823		9,422
Other current liabilities	9,589		7,652
Deferred employer FICA payments	5,519		5,523
Payroll related costs	5,923		5,738
Professional fees	780		736
Accrued medical claims expense	2,162		2,405
Total	$	87,373	$	103,267

Other non-current liabilities:
Deferred income taxes	$	19,310	$	20,911
Reserve for uncertain tax positions	8,365		8,009
Deferred compensation liability	8,220		7,456
Non-current software accrual	6,024		5,748
Deferred employer FICA payments	5,519		5,523
Other non-current liabilities	3,943		2,434
Total	$	51,381	$	50,081

(1)As of March 31, 2021 and December 31, 2020, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by MedTouch, Brainjocks and the shareholders of PSL 12 months after the respective acquisitions.

8. Allowance for Credit Losses

In accordance with ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, the Company evaluates its allowance based on expected losses rather than incurred losses, which is known as the current expected credit loss model. The allowance is determined using the loss rate approach and is measured on a collective (pool) basis when similar risk characteristics exist. Where financial instruments do not share risk characteristics, they are evaluated on an individual basis. The allowance is based on relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts.

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A higher allowance for credit losses on customers within certain industries was recorded during the three months ended March 31, 2020 due to the potential adverse impact the COVID-19 pandemic may have on the estimate of future credit losses. As of March 31, 2021, the Company reassessed its allowance and determined that a higher loss rate was no longer necessary based on the Company's loss experience over the past year, the Company's risk assessment of customers, and its expectations for continued successful collection of its accounts receivable balances.

Activity in the allowance for credit losses is summarized as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Balance at December 31	$	1,065	$	464
Impact of ASU No. 2016-13 adoption	—		423
Opening balance at January 1	1,065		887
Charges to expense, net of recoveries	(10)		830
Uncollected balances written off	(65)		(94)
Balance at March 31	$	990	$	1,623

9. Business Combinations

2020 Acquisitions

On January 6, 2020, the Company acquired substantially all of the assets of MedTouch, pursuant to the terms of an Asset Purchase Agreement. The acquisition of MedTouch expands the Company’s digital healthcare marketing services. The Company’s total allocable purchase price consideration was $20.0 million. The Company incurred approximately $0.6 million in transaction costs, which were expensed when incurred. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $11.2 million.

On March 23, 2020, the Company acquired substantially all of the assets of Brainjocks, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Brainjocks expands the Company’s strategic marketing and technical delivery services. On May 4, 2020, pursuant to a separate Asset Purchase Agreement, a wholly-owned subsidiary of the Company completed the acquisition of substantially all of the assets of Brainjocks Europe d.o.o. Novi Sad, an affiliate of Brainjocks operating in Serbia. With the completion of this acquisition, the Company has facilities located in Novi Sad, Serbia. The Company's total allocable purchase price consideration was $21.2 million. The Company incurred approximately $1.1 million in transaction costs, which were expensed when incurred. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $8.7 million.

On June 17, 2020, a wholly-owned subsidiary of the Company acquired PSL pursuant to the terms of a Stock Purchase Agreement. PSL is based in Medellin, Colombia, with additional locations in Bogota and Cali, Colombia. The acquisition of PSL strengthens the Company’s global delivery capabilities, enhancing its nearshore systems and custom software application development, testing, and ongoing support for customers. PSL added more than 600 professionals and strategic client relationships with customers across several industries. The Company's total allocable purchase price consideration was $83.1 million, net of cash acquired. The Company incurred approximately $2.1 million in transaction costs, which were expensed when incurred. The goodwill is non-deductible for tax purposes.

The acquisition date fair value of the consideration transferred for the 2020 acquisitions consisted of the following (in millions):

	MedTouch			Brainjocks			PSL
Cash	$	13.9		$	15.8		$	60.8
Company common stock issued at closing	1.9			2.4			4.5
Contingent consideration (1)	4.2		(2)	2.3		(3)	17.7		(4)
Net working capital adjustment due to the seller(s)	—			0.7			0.1
Total allocable purchase price consideration	$	20.0		$	21.2		$	83.1

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(1)Represents the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller(s) 12 months after the closing date of the acquisition.

(2)The maximum cash payout that may be realized by MedTouch is $10.2 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $9.0 million. The Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Unaudited Condensed Consolidated Statements of Operations of $0.1 million during the three months ended March 31, 2021.

(3)The maximum cash payout that may be realized by Brainjocks is $4.8 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $3.9 million. The Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Consolidated Statements of Operations of $0.3 million during the three months ended March 31, 2021.

(4)The maximum cash payout that may be realized by PSL is $22.2 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $21.6 million.

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

	MedTouch		Brainjocks		PSL
Acquired tangible assets	$	4.7	$	7.0	$	11.5
Identified intangible assets	6.7		8.4		29.6
Liabilities assumed	(6.0)		(4.9)		(17.8)
Goodwill	14.6		10.7		59.8
Total purchase price	$	20.0	$	21.2	$	83.1

As the Company continues its evaluation of the acquired assets and assumed liabilities of PSL, the Company recorded certain adjustments during the measurement period based on facts and circumstances that existed as of acquisition date. The measurement period adjustments resulted in an increase to the total purchase price of $1.1 million, an increase to acquired tangible assets of $0.4 million, a decrease to identified intangible assets of $0.4 million, an increase to liabilities assumed of $1.8 million and an increase to goodwill of $2.9 million from the acquisition date through March 31, 2021.

The above purchase price accounting estimates for PSL are pending finalization of a net working capital adjustment 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 year ended December 31, 2020 (dollars in millions).

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	6 years	5 - 7 years	$	33.0
Customer backlog	1 year	1 year	9.6
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.4
Developed software	4 years	3 - 5 years	1.5
Total acquired intangible assets			$	44.7

Pro-forma Results of Operations

The following presents the unaudited pro-forma combined results of operations of the Company with PSL for the three months ended March 31, 2021 and 2020, after giving effect to certain pro-forma adjustments and assuming PSL was acquired as of the beginning of 2019. Pro-forma results of operations have not been presented for MedTouch or Brainjocks because the effect of these acquisitions on the Company's consolidated financial statements were not material individually or in the aggregate.

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

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necessarily indicative of the actual consolidated results of operations had the acquisition of PSL actually occurred on January 1, 2019 or of future results of operations of the consolidated entities (in thousands except per share data):

	Three Months Ended March 31,
	2021		2020
Revenues	$	169,341	$	154,407
Net income	$	15,167	$	9,718
Basic net income per share	$	0.47	$	0.31
Diluted net income per share	$	0.46	$	0.29
Shares used in computing basic net income per share	32,011		31,785
Shares used in computing diluted net income per share	33,015		33,047

10. 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 March 31, 2021.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and 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 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. There was no indication that other intangible assets became impaired as of March 31, 2021.

Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2021 are as follows (in thousands):

Balance at December 31, 2020	$	427,928
Purchase price allocation for acquisitions	(1,563)
Effect of foreign currency translation adjustments	(4,438)
Balance at March 31, 2021	$	421,927

Intangible Assets with Definite Lives

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

	March 31, 2021						December 31, 2020
	Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts
Customer relationships	$	96,079	$	(47,829)	$	48,250	$	97,497	$	(44,185)	$	53,312
Non-compete agreements	1,467		(904)		563		1,479		(831)		648
Customer backlog	8,643		(6,818)		1,825		10,353		(5,941)		4,412
Trade name	317		(250)		67		449		(281)		168
Developed software	14,256		(9,593)		4,663		13,962		(8,931)		5,031
Total	$	120,762	$	(65,394)	$	55,368	$	123,740	$	(60,169)	$	63,571

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

Customer relationships	5 - 10 years
Non-compete agreements	4 - 5 years
Customer backlog	1 year
Trade name	1 year
Developed software	1 - 7 years

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows: (in thousands):

2021 remaining	$	14,412
2022	$	15,543
2023	$	10,790
2024	$	7,728
2025	$	4,522
Thereafter	$	2,373

11. 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. As of March 31, 2021, there was no outstanding balance under the Credit Agreement.

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 March 31, 2021, the Company had two outstanding letters 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 (3.25% on March 31, 2021) plus a margin ranging from 0.00% to 0.50% or one month LIBOR (0.11% on March 31, 2021) 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 March 31, 2021, 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 March 31, 2021, the Company was in compliance with all covenants under the Credit Agreement.

Convertible Senior Notes due 2025

On August 14, 2020, the Company issued $230.0 million aggregate principal amount of 1.250% Convertible Senior Notes Due 2025 (the “2025 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 $7.3 million, were $222.7 million. The Company used (i) $172.0 million of the net proceeds to partially repurchase the 2023 Notes (as defined and described below), and (ii) $26.7 million of the net proceeds to fund the cost of entering into the 2025 Notes Hedges

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(as defined below), after such cost was partially offset by the proceeds that the Company received from entering into the 2025 Notes Warrants (as defined below). The remaining proceeds of $24.0 million will be used for working capital or other general corporate purposes.

The 2025 Notes bear interest at a rate of 1.250% per year. Interest is payable in cash on February 1 and August 1 of each year, with the first payment made on February 1, 2021. The 2025 Notes mature on August 1, 2025 unless earlier converted, redeemed or repurchased in accordance with their terms prior to such date. The initial conversion rate is 19.3538 shares of the Company’s common stock per $1,000 principal amount of 2025 Notes, which is equivalent to an initial conversion price of approximately $51.67 per share of common stock. After consideration of the 2025 Notes Hedges and 2025 Notes Warrants, the conversion rate is effectively hedged to a price of $81.05 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 2025 Notes (the “2025 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 2025 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 2025 Notes in cash upon conversion.

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 “2023 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. The net proceeds from the offerings, after deducting the initial purchasers’ discount and issuance costs of $4.4 million, were $139.4 million.

The 2023 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, with the first payment made on March 15, 2019. The 2023 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 2023 Notes, which is equivalent to an initial conversion price of approximately $37.60 per share of common stock. After consideration of the 2023 Notes Hedges (as defined below) and 2023 Notes Warrants (as 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 2023 Notes (the “2023 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 2023 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 2023 Notes in cash upon conversion.

In August and December 2020, the Company repurchased a portion of the outstanding 2023 Notes through individual, privately negotiated transactions (the “2023 Notes Partial Repurchase”), leaving 2023 Notes with an aggregate principal amount of $5.1 million outstanding as of March 31, 2021. The Company used $172.0 million of the net proceeds from the 2025 Notes issuance in August 2020 and $9.7 million of additional cash in December 2020 to complete the 2023 Notes Partial Repurchase, of which a total of $127.7 million and $52.7 million were allocated to the liability and equity components of the 2023 Notes, respectively, and $1.3 million was related to the payment of interest. The 2023 Notes Partial Repurchase resulted in a $4.5 million loss on extinguishment during the year ended December 31, 2020, which includes the proportionate amounts of unamortized debt discount and the remaining unamortized debt issuance costs of $2.4 million.

Other Terms of the Notes

The 2025 Notes and 2023 Notes (together, the “Notes”) may be converted at the holder’s option prior to the close of business on the business day immediately preceding August 1, 2025 and September 15, 2023 for the 2025 Notes and 2023 Notes, respectively, but only under the following circumstances:

•during any calendar quarter commencing after the calendar quarter ending on September 30, 2020 and December 31, 2018 for the 2025 Notes and 2023 Notes, respectively, if the last reported sale price per share of the Company’s common stock exceeds 130% of the applicable 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

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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 applicable conversion rate on such trading day;

•upon the occurrence of certain corporate events or distributions on the Company’s common stock described in the 2025 Indenture or the 2023 Indenture, as applicable; and

•at any time from, and including, February 3, 2025 and March 15, 2023 for the 2025 Notes and 2023 Notes, respectively, until the close of business on the second scheduled trading day immediately before the applicable maturity date.

The Company may not redeem the Notes at its option before maturity. If a “fundamental change” (as defined in the 2025 Indenture or 2023 Indenture) occurs, then, except as described in the 2025 Indenture or 2023 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.

During the three months ended March 31, 2021, the conditional conversion feature of the 2023 Notes was triggered as the last reported sale price of the Company's common stock was more than or equal to 130% of the conversion price for at least 20 trading days in the period of 30 consecutive trading days ending on March 31, 2021 (the last trading day of the fiscal quarter), and therefore the 2023 Notes are currently convertible, in whole or in part, at the option of the holder during the quarter ending June 30, 2021. Whether the 2023 Notes will be convertible following such period will depend on the continued satisfaction of this condition or another conversion condition in the future. Since the Company has the election of repaying the 2023 Notes in cash, shares of the Company’s common stock, or a combination of both, the Company continued to classify the liability component of the 2023 Notes as long-term debt on the Condensed Consolidated Balance Sheet as of March 31, 2021 (unaudited). As of the date of this filing, none of the holders of the 2023 Notes have submitted requests for conversion. As of March 31, 2021, none of the conditions permitting holders to convert their 2025 Notes had been satisfied and no shares of the Company’s common stock had been issued in connection with any conversions of the 2025 Notes. Based on the closing price of the Company's common stock of $58.72 per share on March 31, 2021, the conversion value of the Notes was greater than the principal amount of the Notes outstanding on a per note basis.

The liability component of the 2025 Notes and 2023 Notes consisted of the following (in thousands):

	March 31, 2021 (unaudited)				December 31, 2020
Liability component:	2025 Notes		2023 Notes		2025 Notes		2023 Notes
Principal	$	230,000	$	5,090	$	230,000	$	5,090
Less: Unamortized debt discount	(43,511)		(389)		(45,690)		(426)
Unamortized debt issuance costs	(4,983)		(72)		(5,271)		(79)
Net carrying amount	$	181,506	$	4,629	$	179,039	$	4,585

Interest expense for the three months ended March 31, 2021 and 2020 related to the 2025 Notes and 2023 Notes consisted of the following (in thousands):

2025 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	719	$	—
Amortization of debt discount	2,179		—
Amortization of debt issuance costs	287		—
Total interest expense recognized	$	3,185	$	—

2023 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	30	$	854
Amortization of debt discount	37		977
Amortization of debt issuance costs	7		206
Total interest expense recognized	$	74	$	2,037

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Convertible Notes Hedges

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company entered into privately negotiated convertible note hedge transactions (the “2025 Notes Hedges” and the “2023 Notes Hedges,” respectively, and together, the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The 2025 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 4.5 million shares of common stock at a strike price of $51.67, which is equal to the number of shares of common stock that notionally underlie the 2025 Notes and correspond to the conversion price of the 2025 Notes. The 2023 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 0.1 million shares (after consideration of the 2023 Notes Partial Repurchase) 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 2023 Notes and correspond to the conversion price of the 2023 Notes after the partial repurchase discussed above. If the Company elects cash settlement and exercises the 2025 Notes Hedges or the 2023 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. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company terminated 2023 Notes Hedges corresponding to approximately 3.7 million shares for cash proceeds of $50.1 million. The proceeds were recorded as an increase to additional paid-in capital within stockholders' equity.

Convertible Notes Warrants

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company also sold net-share-settled warrants (the “2025 Notes Warrants” and the “2023 Notes Warrants,” respectively, and together, the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the 2025 Notes Warrants and 2023 Notes Warrants was approximately $81.05 and $46.62 per share, respectively, and is subject to certain adjustments under the terms of their respective Notes Warrants. As a result of the 2025 Notes Warrants and 2023 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 $81.05 for any fiscal quarter for the 2025 Notes Warrants and $46.62 for the 2023 Notes Warrants. The 2025 Notes Warrants and 2023 Notes Warrants expire over a period of 100 trading days commencing on November 1, 2025 and December 15, 2023, respectively, and may be settled in net shares of common stock or net cash at the Company’s election. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company repurchased a portion of the 2023 Notes Warrants through a cash payment of $43.0 million. The repurchase was recorded as a reduction in additional paid-in capital within stockholders' equity.

12. 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 2015. The Company’s 2016 and 2017 U.S. income tax returns are currently under examination by the IRS. The IRS has sought to disallow research credits in the total amount of $5.7 million on the Company’s 2011 through 2015 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 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 March 31, 2021 is approximately $20.7 million.

Under the provisions of the ASC Subtopic 740-10-25, Income Taxes - Recognition, the Company had an unrecognized tax benefit of $7.4 million (excluding $1.0 million of interest) as of March 31, 2021.

The Company’s effective tax rate was 19.0% for the three months ended March 31, 2021 compared to 14.6% for the three months ended March 31, 2020. The effective tax rate increased during the three months ended March 31, 2021 primarily due to the relative decrease in tax benefits recognized for share-based compensation deductions during the three months ended March 31, 2021 compared to the prior-year quarter. As of March 31, 2021, the Company’s net non-current deferred tax liability was $19.3 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 Sheets as of March 31, 2021 (unaudited) and December 31, 2020.

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In general, it is the Company’s practice and intention to reinvest the earnings of the Company’s foreign subsidiaries in those operations. However, the Company has determined that the foreign earnings of the Company’s Chinese and Colombian subsidiaries are no longer permanently reinvested and may repatriate available earnings from time to time. Management intends to continue to permanently reinvest all other remaining current and prior earnings in its other foreign subsidiaries.

Excluding China and Colombia, 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 March 31, 2021, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $15.6 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.9 million.

13. 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 and 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 immaterial during each of the three months ended March 31, 2021 and 2020. 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 notional amounts of the Company’s derivative instruments outstanding were as follows (in thousands):

	March 31, 2021 (unaudited)		December 31, 2020
Derivatives not designated as hedges
Foreign exchange contracts	$	17,314	$	16,008
Total derivatives not designated as hedges	$	17,314	$	16,008

14. 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.

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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 March 31, 2021 and December 31, 2020, $57.1 million and $66.0 million, respectively, 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 Company has a deferred compensation plan, which is funded through company-owned life insurance (“COLI”) policies. The COLI asset is carried at fair value derived from quoted market prices of investments within the COLI policies, which are considered Level 2 inputs. The fair value of the COLI asset was $7.7 million and $7.4 million as of March 31, 2021 and December 31, 2020, respectively.

The Company estimates the fair value of each foreign exchange forward contract by using the present value of expected cash flows. The estimate takes into account 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 derivatives fall within Level 2 of the GAAP valuation hierarchy. The fair value of the Company’s derivative instruments outstanding as of March 31, 2021 was immaterial.

The Company has contingent consideration liabilities related to acquisitions which are measured on a recurring basis and recorded at fair value, determined using the discounted cash flow method. The inputs used to calculate the fair value of the contingent consideration liabilities are considered to be Level 3 inputs due to the lack of relevant market activity and significant management judgment. An increase in future cash flows may result in a higher estimated fair value while a decrease in future cash flows may result in a lower estimated fair value of the contingent consideration liabilities. Remeasurements to fair value are recorded in adjustment to fair value of contingent consideration in the Unaudited Condensed Consolidated Statements of Operations. Refer to Note 7, Balance Sheet Components, for the estimated fair value of the contingent consideration liabilities as of March 31, 2021.

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 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 2025 Notes as of March 31, 2021 and December 31, 2020 was $297.3 million and $263.4 million, respectively, and the approximate fair value of the 2023 Notes as of March 31, 2021 and December 31, 2020 was $8.6 million and $7.1 million, respectively. The fair values were estimated on the basis of inputs that are observable in the market and are considered a Level 2 fair value measurement.

15. Leases

The Company leases office space under various operating lease agreements, which have remaining lease terms of less than one year to eight years. Operating leases are included in operating lease right-of-use assets, other current liabilities, and operating lease liabilities on the consolidated balance sheet. Operating lease expense for the three months ended March 31, 2021 and 2020 was $3.3 million and $2.8 million, respectively.

Supplemental balance sheet information related to leases was as follows (in thousands):

	March 31, 2021		December 31, 2020
Other current liabilities	$	10,134	$	10,321
Operating lease liabilities	27,937		29,098
Total	$	38,071	$	39,419

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Future minimum lease payments as of March 31, 2021 were as follows (in thousands):

	March 31, 2021
2021 remaining	$	6,564
2022	10,047
2023	8,050
2024	6,211
2025	4,651
Thereafter	5,907
Total future lease payments	41,430
Less implied interest	(3,359)
Total	$	38,071

16. 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.

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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

Perficient is a global digital consultancy transforming how the world’s biggest brands connect with customers and grow their businesses. We help clients, primarily focused in North America, gain competitive advantage by using digital technology to: make their businesses more responsive to market opportunities; strengthen relationships with customers, suppliers, and partners; improve productivity; and reduce information technology costs. With unparalleled strategy, creative and technology capabilities, across industries, our end-to-end digital consulting services help our clients drive faster speed-to-market capabilities and stronger, more compelling experiences for consumers. We deliver a deep and broad portfolio of solutions that 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 a global and competitive marketplace.

COVID-19 Pandemic

In March 2020, the World Health Organization recognized a novel strain of coronavirus (COVID-19) as a pandemic. In response to the pandemic, the United States and various foreign, state and local governments have, among other actions, imposed travel and business restrictions and required or advised communities in which we do business to adopt stay-at-home orders and social distancing guidelines, causing some businesses to adjust, reduce or suspend operating activities. While certain of these restrictions and guidelines have been lifted or relaxed, they may be reinstituted in response to continuing effects of the pandemic. The pandemic and the various governments’ response have caused, and continue to cause, significant and widespread uncertainty, volatility and disruptions in the U.S. and global economies, including in the regions in which we operate.

Through March 31, 2021, we have not experienced a material impact to our business, operations or financial results as a result of the pandemic. However, in the current and future periods, we may experience weaker customer demand, requests for discounts or extended payment terms, customer bankruptcies, supply chain disruption, employee staffing constraints and difficulties, government restrictions or other factors that could negatively impact the Company and its business, operations and financial results. As we cannot predict the duration or scope of the pandemic or its impact on economic and financial markets, any negative impact to our results cannot be reasonably estimated, but it could be material.

We continue to monitor closely the Company’s financial health and liquidity and the impact of the pandemic on the Company. We have been able to serve the needs of our customers while taking steps to protect the health and safety of our employees, customers, partners, and communities. Among these steps, we have transitioned to primarily working remotely and ceasing travel, which has not resulted in a material disruption to the Company’s operations. We expect to maintain many of these steps for the near future.

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 or fixed fee percent complete 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 hourly 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 7% of our services revenues for the three months ended March 31, 2021 and 8% for the

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three months ended March 31, 2020. 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, the impact of travel restrictions imposed as a result of the COVID-19 pandemic, 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.

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, which may be impacted by the COVID-19 pandemic.

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 Revenues

Cost of revenues consists of cost of services primarily related to 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. In accordance with Accounting Standards Codification (“ASC”) Topic 606, sales of third-party software and hardware are presented on a net basis, and as such, third-party software and hardware costs are not presented within cost of revenues.

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 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 and nearshore capabilities to support our future growth and provide our clients flexible options for project delivery. Our ability to continue to implement our growth plan may be negatively affected by the impact of the COVID-19 pandemic on our operations.

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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Acquisition of PSL

On June 17, 2020, a wholly-owned subsidiary of the Company acquired Productora de Software S.A.S. (“PSL”) pursuant to the terms of a Stock Purchase Agreement. PSL is based in Medellin, Colombia, with additional locations in Bogota and Cali, Colombia. The acquisition of PSL strengthens the Company’s global delivery capabilities, enhancing its nearshore systems and custom software application development, testing, and ongoing support for customers. PSL added more than 600 skilled professionals and strategic client relationships with customers across several industries. Refer to Note 9, Business Combinations, for additional information on the acquisition.

Results of Operations

Three months ended March 31, 2021 compared to three months ended March 31, 2020

Revenues. Total revenues increased 16% to $169.3 million for the three months ended March 31, 2021 from $145.6 million for the three months ended March 31, 2020.

	Financial Results (in thousands)						Explanation for Increases Over Prior Year Period (in thousands)
	Three Months Ended March 31,				Total Increase Over Prior Year Period		Increase Attributable to Revenue Delivered by Resources of Acquired Companies		Increase Attributable to Revenue Delivered by Base Business Resources
	2021		2020
Services revenues	$	168,730	$	145,402	$	23,328	$	12,539	$	10,789
Software and hardware revenues	611		160		451		—		451
Total revenues	$	169,341	$	145,562	$	23,779	$	12,539	$	11,240

Services revenues increased 16% to $168.7 million for the three months ended March 31, 2021 from $145.4 million for the three months ended March 31, 2020. Services revenues delivered by base business resources increased by $10.8 million while services revenues delivered by resources of acquired companies was $12.5 million, resulting in a total net increase of $23.3 million.

Software and hardware revenues increased 282% to $0.6 million for the three months ended March 31, 2021 from $0.2 million for the three months ended March 31, 2020.

Cost of Revenues (exclusive of depreciation and amortization, discussed separately below). Cost of revenues increased 14% to $106.1 million for the three months ended March 31, 2021 from $93.2 million for the three months ended March 31, 2020 primarily due to higher offshore headcount and acquisitions. Services costs as a percentage of services revenues decreased to 62.9% for the three months ended March 31, 2021 from 64.1% for the three months ended March 31, 2020, primarily due to continued shift to higher margin offshore and nearshore delivery.

Selling, General and Administrative. SG&A expenses increased to $34.0 million for the three months ended March 31, 2021 from $33.2 million for the three months ended March 31, 2020. SG&A expenses as a percentage of revenues decreased to 20.1% for the three months ended March 31, 2021 from 22.8% for the three months ended March 31, 2020, primarily due to reduced travel expenses.

Depreciation. Depreciation expense increased 13% to $1.5 million for the three months ended March 31, 2021 from $1.3 million for the three months ended March 31, 2020. Depreciation expense as a percentage of revenues was 0.9% for each of the three months ended March 31, 2021 and 2020.

Amortization. Amortization expense increased 80% to $7.1 million for the three months ended March 31, 2021 from $3.9 million for the three months ended March 31, 2020. Amortization expense as a percentage of revenues was 4.2% for the three months ended March 31, 2021 and 2.7% for the three months ended March 31, 2020. The increase in amortization expense was primarily due to the addition of intangibles from our the Catalyst Networks, Inc. (“Brainjocks”) and PSL acquisitions in 2020.

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Acquisition Costs. Acquisition-related costs were $0.1 million and $1.8 million for the three months ended March 31, 2021 and 2020, respectively. 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 $0.5 million was recorded during the three months ended March 31, 2021 which represents the fair market adjustment to the Brainjocks and MedTouch LLC (“MedTouch”) revenue and earnings-based consideration liability based on performance being higher than original estimates, in addition to accretion. An adjustment of $0.3 million was recorded during the three months ended March 31, 2020 which represents the fair market adjustment to the Sundog Interactive, Inc. (“Sundog”) revenue and earnings-based consideration liability, partially offset by accretion.

Net Interest Expense. Net interest expense increased to $3.3 million for the three months ended March 31, 2021 from $1.9 million for the three months ended March 31, 2020 as a result of the issuance of the 2025 Notes discussed in Note 11, Long-term debt.

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 increased to 19.0% for the three months ended March 31, 2021 from 14.6% for the three months ended March 31, 2020. The increase in the effective tax rate was primarily due to the relative decrease in tax benefits recognized for share-based compensation deductions during the three months ended March 31, 2021 compared to the prior-year quarter.

Liquidity and Capital Resources

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

	March 31, 2021		December 31, 2020
Cash and cash equivalents (1)	$	72.1	$	83.2
Working capital (including cash and cash equivalents) (2)	$	118.5	$	97.6
Amounts available under credit facility	$	124.8	$	124.8

(1) The balance at March 31, 2021 and December 31, 2020 includes $5.3 million and $5.1 million, respectively, held by certain foreign 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 March 31, 2021 also includes $5.8 million and $2.5 million in cash held by our Colombian and Chinese subsidiaries, respectively. The balance at December 31, 2020 includes $5.7 million and $2.2 million held by our Colombian and Chinese subsidiaries, respectively.

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

Net Cash Provided by (Used in) Operating Activities

Net cash provided by operating activities for the three months ended March 31, 2021 was $1.2 million compared to net cash used in operating activities of $4.4 million for the three months ended March 31, 2020. For the three months ended March 31, 2021, the primary components of operating cash flows were net income of $13.6 million, non-cash charges of $17.1 million and net operating asset investments of $29.6 million. For the three months ended March 31, 2020, the primary components of operating cash flows were net income of $9.0 million, non-cash charges of $12.3 million and net operating asset investments of $25.6 million. First quarter operating cash flows in both years were impacted by the payout of variable compensation.

Net Cash Used in Investing Activities

During the three months ended March 31, 2021, we used $1.8 million to purchase property and equipment and to develop software. During the three months ended March 31, 2020, we used $2.0 million to purchase property and equipment and to develop software and $29.8 million for the acquisition of MedTouch and Brainjocks and for a net working capital settlement related to an acquisition.

Net Cash Used in Financing Activities

During the three months ended March 31, 2021, we used $4.9 million to repurchase shares of our common stock through the stock repurchase program and $5.2 million to remit taxes withheld as part of a net share settlement of restricted

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stock vesting. We also received proceeds from sales of stock through the Employee Stock Purchase Plan of $0.1 million. During the three months ended March 31, 2020, we used $4.8 million to remit taxes withheld as part of a net share settlement of restricted stock vesting.

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. As of March 31, 2021, there was no outstanding balance under the Credit Agreement.

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 March 31, 2021, the Company had two outstanding letters 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 (3.25% on March 31, 2021) plus a margin ranging from 0.00% to 0.50% or one-month LIBOR (0.11% on March 31, 2021) 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 March 31, 2021, the Company had $124.8 million of unused borrowing capacity.

At March 31, 2021, the Company was in compliance with all covenants under the Credit Agreement.

Stock Repurchase Program

Prior to 2021, the Company’s Board of Directors authorized the repurchase of up to $265.0 million of Company common stock through a stock repurchase program. Subsequent to March 31, 2021, the Board of Directors authorized a $50.0 million expansion of the Company's stock repurchase program for a total repurchase program of $315.0 million and extended the expiration date of the program from June 30, 2021 to December 31, 2022. 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 $244.5 million (15.9 million shares) of outstanding common stock through March 31, 2021.

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.

Contractual Obligations

There were no material changes in lease obligations in the first three months of 2021 outside the ordinary course of our business and acquisitions. See Note 15, Leases, in the Notes to Interim Condensed Consolidated Financial Statements for further description of our lease obligations.

As of March 31, 2021 and December 31, 2020, there were no balances outstanding under the Credit Agreement. Any balances outstanding under the Credit Agreement would be classified as “Long-term debt” within the Condensed Consolidated Balance Sheet and become due and payable no later than the final maturity date of June 9, 2022. As of March 31, 2021, there were in aggregate $186.1 million of outstanding Notes, net of unamortized debt discount and issuance costs, compared to $183.6 million as of December 31, 2020. These amounts are classified as “Long-term debt” within the Condensed Consolidated Balance Sheets as of March 31, 2021 (unaudited) and December 31, 2020 and will become due and payable no later than the final maturity date of September 15, 2023 for the 2023 Notes and August 1, 2025 for the 2025 Notes. Based on the market price of our common stock during the 30 trading days preceding March 31, 2021, the 2023 Notes are currently convertible, in whole or in part, at the option of the holder during the quarter ending June 30, 2021. Whether the 2023 Notes will be convertible following such period will depend on the continued satisfaction of this condition or another conversion condition in the future. As of March 31, 2021, the 2023 Notes had an aggregate principal amount of $5.1 million outstanding.

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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 Condensed Consolidated Balance Sheet as of March 31, 2021 (unaudited) of $72.1 million, $5.3 million was held by certain foreign 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 issuance of convertible senior notes. Therefore, the Company has no current plans to repatriate cash from these foreign subsidiaries in the foreseeable future. As of March 31, 2021, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $15.6 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.9 million. As of March 31, 2021, $5.8 million and $2.5 million of the total cash and cash equivalents was held by the Company’s Colombian and Chinese subsidiaries, respectively, the earnings of which are not considered to be permanently reinvested and may be repatriated from time to time.

We believe that 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. However, while the Company did not experience a material impact on the business, operations or financial results from the COVID-19 pandemic during the three months ended March 31, 2021, the pandemic may materially and adversely affect our business, operations and financial results, including our cash flows, in the future as a result of, among other things, weaker customer demand, requests for discounts or extended payment terms, customer bankruptcies, supply chain disruption, employee staffing constraints and difficulties, government restrictions or other factors. For example, we have experienced certain of our customers requesting discounts or extended payment terms, pausing or slowing services, or declaring bankruptcy. Additionally, we have experienced some delays in obtaining new commitments from customers. Given the uncertain duration and scope of the pandemic and its impact on economic and financial markets, we cannot reliably predict or estimate the impact of the pandemic on our business, operations or financial results.

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, 2020. We believe our most critical accounting policies include revenue recognition, purchase accounting and related fair value measurements, convertible debt, and 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 March 31, 2021, we were exposed to changes in exchange rates between the U.S. dollar and the Canadian dollar, Indian rupee, Chinese yuan, British pound, euro, Colombian peso and Serbian dinar. 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 13, Derivatives, in the Notes to Interim Unaudited Consolidated Financial Statements for further discussion.

Interest Rate Sensitivity

As of March 31, 2021, 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.

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During the third quarter of 2018 and 2020, we issued the 2023 Notes and the 2025 Notes (together, the “Notes”), respectively, which have a fixed interest rate of 2.375% and 1.250%, respectively. 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 March 31, 2021, the fair value of the 2023 Notes and 2025 Notes was approximately $8.6 million and $297.3 million, respectively.

We had unrestricted cash and cash equivalents totaling $72.1 million at March 31, 2021 and $83.2 million at December 31, 2020. The unrestricted cash and cash equivalents are primarily held for working capital purposes and acquisitions. 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.

There was no change in the Company’s internal control over financial reporting as defined in Exchange Act Rule 13a-15(f) during the three months ended March 31, 2021, that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company’s remote work in response to the COVID-19 pandemic has not resulted in a material impact to the Company’s internal controls over financial reporting.

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. Our risk factors are described in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with the SEC on February 25, 2021 and available at www.sec.gov.

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

Issuer Purchases of Securities

Stock Repurchase Program

Prior to 2021, the Company’s Board of Directors authorized the repurchase of up to $265.0 million of Company common stock through a stock repurchase program. Subsequent to March 31, 2021, the Board of Directors authorized a $50.0 million expansion of the Company's stock repurchase program for a total repurchase program of $315.0 million and extended the expiration date of the program from June 30, 2021 to December 31, 2022. 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 $244.5 million (15.9 million shares) of outstanding common stock through March 31, 2021.

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.

29

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 December 31, 2020	15,836,868	$	15.13	15,836,868	$	25,391,326
January 1-31, 2021	—	$	—	—	$	25,391,326
February 1-28, 2021	—	$	—	—	$	25,391,326
March 1-31, 2021	86,000	$	57.06	86,000	$	20,483,858
Ending balance as of March 31, 2021	15,922,868	$	15.36	15,922,868

(1)Average price paid per share includes commission.

Item 5. Other Information

None.

30

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 August 14, 2020, between Perficient, Inc. and U.S. Bank National Association, as trustee, relating to the Company’s 1.250% Convertible Senior Notes due 2025, previously filed with the Securities and Exchange Commission as an Exhibit to our Quarterly Report on Form 8-K (File No. 001-15169) filed August 18, 2020 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 filed September 11, 2018 and incorporated herein by reference
4.4	Form of 1.250% Convertible Senior Notes due 2025, previously filed with the Securities and Exchange Commission as an Exhibit to our Current Report on Form 8-K filed August 18, 2020 and incorporated herein by reference
4.5	Indenture, dated September 11, 2018, between Perficient, Inc. and U.S. Bank National Associate, 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 filed September 11, 2018 and incorporated herein by reference
10.1†	Fourth Amended and Restated Employment Agreement with Chief Executive Officer of Perficient, Inc., effective as of February 23, 2021, 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, 2020 (File No. 001-15169) filed February 25, 2021 and incorporated herein by reference
10.2†	Third Amended and Restated Employment Agreement with Chief Financial Officer of Perficient, Inc., effective as of January 1, 2021, previously filed with the Securities and Exchange Commission as an Exhibit to our Quarterly Report on Form 10-Q (File No. 001-15169) filed on October 29, 2020 and incorporated herein by reference
10.3†	Second Amended and Restated Employment Agreement with Chief Operating Officer of Perficient, Inc., effective as of February 23, 2021, 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, 2020 (File No. 001-15169) filed February 25, 2021 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

31

101*	The following financial information from Perficient, Inc.’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2021 formatted in iXBRL (inline eXtensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets as of March 31, 2021 (Unaudited) and December 31, 2020, (ii) Unaudited Condensed Consolidated Statements of Operations for the three months ended March 31, 2021 and 2020, (iii) Unaudited Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2021 and 2020, (iv) Unaudited Condensed Consolidated Statements of Shareholders’ Equity for the three months ended March 31, 2021 and 2020, (v) Unaudited Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020, and (vi) the Notes to Interim Unaudited Condensed Consolidated Financial Statements
104	Cover Page Interactive Data File (formatted as iXBRL and contained in Exhibit 101)
†	Identifies an Exhibit that consists of or includes a management contract or compensatory plan or arrangement.
*	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.

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:	April 29, 2021	By:	/s/ Jeffrey S. Davis
			Jeffrey S. Davis
			Chief Executive Officer (Principal Executive Officer)

Date:	April 29, 2021	By:	/s/ Paul E. Martin
			Paul E. Martin
			Chief Financial Officer (Principal Financial Officer)

32

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:	April 29, 2021	By:	/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:	April 29, 2021	By:	/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 fiscal period ended March 31, 2021, 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:	April 29, 2021	By:	/s/ Jeffrey S. Davis
			Jeffrey S. Davis
			Chief Executive Officer (Principal Executive Officer)

Date:	April 29, 2021	By:	/s/ Paul E. Martin
			Paul E. Martin
			Chief Financial Officer (Principal Financial Officer)

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 22, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	001-15169
Entity Registrant Name	PERFICIENT, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	74-2853258
Entity Address, Address Line One	555 Maryville University Drive
Entity Address, Address Line Two	Suite 600
Entity Address, City or Town	Saint Louis
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63141
City Area Code	314
Local Phone Number	529-3600
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	PRFT
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		33,046,807
Entity Central Index Key	0001085869
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 72,058	$ 83,204
Accounts receivable, net	138,836	133,085
Prepaid expenses	6,468	5,575
Other current assets	4,688	4,646
Total current assets	222,050	226,510
Property and equipment, net	11,717	11,902
Operating lease right-of-use assets	37,195	38,539
Goodwill	421,927	427,928
Intangible assets, net	55,368	63,571
Other non-current assets	19,253	17,311
Total assets	767,510	785,761
Current liabilities:
Accounts payable	16,150	25,613
Other current liabilities	87,373	103,267
Total current liabilities	103,523	128,880
Long-term debt, net	186,135	183,624
Operating lease liabilities	27,937	29,098
Other non-current liabilities	51,381	50,081
Total liabilities	368,976	391,683
Stockholders’ equity:
Preferred stock (par value $0.001 per share; 8,000,000 authorized; no shares issued or outstanding as of March 31, 2021 and December 31, 2020)	0	0
Common stock (par value $0.001 per share; 100,000,000 authorized; 50,552,959 shares issued and 32,151,470 shares outstanding as of March 31, 2021; 50,296,453 shares issued and 32,074,094 shares outstanding as of December 31, 2020)	51	50
Additional paid-in capital	465,156	459,866
Accumulated other comprehensive (loss) income	(540)	3,746
Treasury stock, at cost (18,401,489 shares as of March 31, 2021; 18,222,359 shares as of December 31, 2020)	(299,367)	(289,225)
Retained earnings	233,234	219,641
Total stockholders’ equity	398,534	394,078
Total liabilities and stockholders’ equity	$ 767,510	$ 785,761

XML

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	8,000,000	8,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	50,552,959	50,296,453
Common stock, shares outstanding	32,151,470	32,074,094
Treasury stock, shares	18,401,489	18,222,359

XML

Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Revenues	$ 169,341	$ 145,562
Cost of revenues (cost of services, exclusive of depreciation and amortization, shown separately below)
Cost of revenues (cost of services, exclusive of depreciation and amortization, shown separately below)	106,062	93,217
Selling, general and administrative	33,979	33,221
Depreciation	1,460	1,288
Amortization	7,052	3,922
Acquisition costs	68	1,813
Adjustment to fair value of contingent consideration	514	(335)
Income from operations	20,206	12,436
Net interest expense	3,296	1,926
Net other expense	122	7
Income before income taxes	16,788	10,503
Provision for income taxes	3,195	1,529
Net income	$ 13,593	$ 8,974
Basic net income per share (in dollars per share)	$ 0.43	$ 0.28
Diluted net income per share (in dollars per share)	$ 0.41	$ 0.27
Shares used in computing basic net income per share (in shares)	31,864	31,637
Shares used in computing diluted net income per share (in shares)	33,015	32,876

XML

Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 13,593	$ 8,974
Other comprehensive (loss) income:
Foreign currency translation adjustment, net of tax	(4,286)	(974)
Comprehensive income	$ 9,307	$ 8,000

XML

Unaudited Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative effect, period of adoption, adjustment	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Retained Earnings	Retained Earnings Cumulative effect, period of adoption, adjustment
Balance at Dec. 31, 2019		$ (315)	$ 49	$ 455,465	$ (2,650)	$ (261,624)	$ 189,775
Balance (in shares) at Dec. 31, 2019	31,687,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation related to restricted stock vesting and retirement savings plan contributions			1	4,726
Proceeds from the sales of stock through the Employee Stock Purchase Plan (in shares)	1,000
Proceeds from the sales of stock through the Employee Stock Purchase Plan				40
Stock compensation related to restricted stock vesting and retirement savings plan contributions (in shares)	320,000
Issuance of stock in conjunction with acquisition including stock attributed to future compensation				4,892
Purchases of treasury stock and buyback of shares for taxes (in shares)	(114,000)
Foreign currency translation adjustment	$ (974)				(974)
Purchases of treasury stock and buyback of shares for taxes						(4,835)
Issuance of stock in conjunction with acquisition (in shares)	167,000
Net income	$ 8,974						8,974
Balance at Mar. 31, 2020	$ 393,524		50	465,123	(3,624)	(266,459)	198,434
Balance (in shares) at Mar. 31, 2020	32,061,000
Balance at Dec. 31, 2020	$ 394,078		50	459,866	3,746	(289,225)	219,641
Balance (in shares) at Dec. 31, 2020	32,074,094
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation related to restricted stock vesting and retirement savings plan contributions			1	5,185
Proceeds from the sales of stock through the Employee Stock Purchase Plan (in shares)	2,000
Proceeds from the sales of stock through the Employee Stock Purchase Plan				105
Stock compensation related to restricted stock vesting and retirement savings plan contributions (in shares)	254,000
Issuance of stock in conjunction with acquisition including stock attributed to future compensation				0
Purchases of treasury stock and buyback of shares for taxes (in shares)	(179,000)
Foreign currency translation adjustment	$ (4,286)				(4,286)
Purchases of treasury stock and buyback of shares for taxes						(10,142)
Issuance of stock in conjunction with acquisition (in shares)	0
Net income	$ 13,593						13,593
Balance at Mar. 31, 2021	$ 398,534		$ 51	$ 465,156	$ (540)	$ (299,367)	$ 233,234	$ 0
Balance (in shares) at Mar. 31, 2021	32,151,470

XML

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income	$ 13,593	$ 8,974
Adjustments to reconcile net income to net cash provided by (used in) operations:
Depreciation	1,460	1,288
Amortization	7,052	3,922
Deferred income taxes	455	1,608
Non-cash stock compensation and retirement savings plan contributions	5,113	4,607
Amortization of debt discount and issuance costs	2,528	1,201
Adjustment to fair value of contingent consideration for purchase of businesses	514	(335)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(5,653)	7,656
Other assets	(3,065)	479
Accounts payable	(7,844)	(7,583)
Other liabilities	(12,992)	(26,201)
Net cash provided by (used in) operating activities	1,161	(4,384)
Investing Activities
Purchase of property and equipment	(1,480)	(1,513)
Capitalization of internally developed software costs	(348)	(497)
Purchase of businesses, net of cash acquired	0	(29,785)
Net cash used in investing activities	(1,828)	(31,795)
Financing Activities
Proceeds from the sale of stock through the Employee Stock Purchase Plan	105	40
Purchases of treasury stock	(4,908)	0
Remittance of taxes withheld as part of a net share settlement of restricted stock vesting	(5,234)	(4,835)
Net cash used in financing activities	(10,037)	(4,795)
Effect of exchange rate on cash and cash equivalents	(442)	(453)
Change in cash and cash equivalents	(11,146)	(41,427)
Cash and cash equivalents at beginning of period	83,204	70,728
Cash and cash equivalents at end of period	72,058	29,301
Supplemental Disclosures:
Cash paid for income taxes	1,218	397
Cash paid for interest	1,445	1,759
Non-Cash Investing Activity:
Stock issued for purchase of businesses	0	4,239
Liability incurred for purchase of property and equipment	$ 0	$ 307

XML

Basis of Presentation

3 Months Ended

Mar. 31, 2021

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, 2020.

Through March 31, 2021, the Company had not experienced a material impact to its business, operations or financial results as a result of the novel coronavirus (COVID-19) pandemic. However, operating results for the three months ended March 31, 2021 are not necessarily indicative of the results that may be expected for the year ended December 31, 2021, particularly in light of the COVID-19 pandemic and its effects on domestic and global economies. To limit the spread of COVID-19, governments have imposed, and may continue to impose, among other things, travel and business operation restrictions and stay-at-home orders and social distancing guidelines, causing some businesses to adjust, reduce or suspend operating activities. While certain of these restrictions and guidelines have been lifted or relaxed, they may be reinstituted in response to continuing effects of the pandemic. These disruptions and restrictions could adversely affect our operating results due to, among other things, reduced demand for our services and solutions, requests for discounts or extended payment terms, or customer bankruptcies. For more information, refer to the statements included under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2020.

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2021

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.

There have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2020 that have had a material impact on the Company’s condensed consolidated financial statements and related notes.

XML

Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2021
Accounting Standards Update and Change in Accounting Principle [Abstract]
Recent Accounting Pronouncements	Recent Accounting PronouncementsIn August 2020, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity’s Own Equity (Subtopic 815-40), which simplifies the accounting for convertible instruments. The guidance removes certain accounting models that separate the embedded conversion features from the host contract for convertible instruments, requiring bifurcation only if the convertible debt feature qualifies as a derivative or for convertible debt issued at a substantial premium. The ASU removes certain settlement conditions required for equity contracts to qualify for the derivative scope exception, permitting more contracts to qualify for the exception. In addition, the guidance eliminates the treasury stock method to calculate diluted earnings per share for convertible instruments and requires the use of the if-converted method. The ASU is effective for annual reporting periods beginning after December 15, 2021, including interim reporting periods within those annual periods, with early adoption permitted no earlier than the fiscal year beginning after December 15, 2020. The ASU allows entities to use a modified or full retrospective transition method. Under the modified approach, entities will apply the guidance to all financial instruments that are outstanding as of the beginning of the year of adoption with the cumulative effect recognized as an adjustment to the opening balance of retained earnings. Under the full retrospective method, entities will apply the guidance to all outstanding financial instruments for each prior reporting period presented. The Company will adopt this ASU on January 1, 2022 and is currently evaluating the method of adoption and the related impact of the new guidance on earnings per share and on its financial statements.

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Revenue

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

The Company’s revenues consist of services and software and hardware sales. In accordance with Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, revenues are recognized when control of 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.

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 hourly rates. 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 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, 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 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.

    Revenues are presented net of taxes assessed by governmental authorities. Sales taxes are generally collected and subsequently remitted on all software and hardware sales and certain services transactions as appropriate.

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. Because contracts that contain multiple performance obligations are typically short term due to the contract cancellation provisions, the allocation of the transaction price to the separate performance obligations is not considered a significant estimate.

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 earned. 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 because the amortization period would have been one year or less.

Deferred Revenue

The Company’s deferred revenue balance as of March 31, 2021 and December 31, 2020 was $8.8 million and $9.4 million, respectively. During the three months ended March 31, 2021, $7.6 million was recognized in revenue that was included in the deferred revenue balance at the beginning of the period.

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. The Company 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 March 31, 2021 was immaterial.

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2021						2020
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	128,591	$	—	$	128,591	$	99,991	$	—	$	99,991
Fixed fee percent complete contracts	11,580		—		11,580		11,621		—		11,621
Fixed fee contracts	22,477		—		22,477		25,028		—		25,028
Reimbursable expenses	2,254		—		2,254		4,394		—		4,394
Total professional services fees	164,902		—		164,902		141,034		—		141,034
Other services revenue*	3,117		711		3,828		3,630		738		4,368
Total services	168,019		711		168,730		144,664		738		145,402
Software and hardware	—		611		611		—		160		160
Total revenues	$	168,019	$	1,322	$	169,341	$	144,664	$	898	$	145,562

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS revenue 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 March 31,
	2021		2020
United States	$	165,808	$	142,570
Other countries	3,533		2,992
Total revenues	$	169,341	$	145,562

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [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. 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 March 31, 2021, there were 1.2 million shares of common stock available for issuance under the Incentive Plan.

Stock-based compensation cost recognized for the three months ended March 31, 2021 was $5.3 million, which included $0.9 million of expense for retirement savings plan contributions. The associated current and future income tax benefit recognized was $1.6 million for the three months ended March 31, 2021. Stock-based compensation cost recognized for the three months ended March 31, 2020 was $4.6 million, which included $0.8 million of expense for retirement savings plan contributions. The associated current and future income tax benefit recognized was $1.5 million for the three months ended March 31, 2020. As of March 31, 2021, there was $32.0 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 three months ended March 31, 2021 was as follows (shares in thousands):

	Shares	Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2020	905	$	35.34
Awards granted	192	55.70
Awards vested	(236)	29.83
Awards forfeited	(18)	35.87
Restricted stock awards outstanding at March 31, 2021	843	$	41.50

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Net Income per Share

3 Months Ended

Mar. 31, 2021

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 March 31,
	2021		2020
Net income	$	13,593	$	8,974
Basic:
Weighted-average shares of common stock outstanding	31,864		31,637
Shares used in computing basic net income per share	31,864		31,637
Effect of dilutive securities:
Restricted stock subject to vesting	448		529
Shares issuable for acquisition consideration (1)	246		181
Shares issuable for conversion of convertible senior notes	433		529
Shares issuable for exercise of warrants	24		—
Shares used in computing diluted net income per share	33,015		32,876
Basic net income per share	$	0.43	$	0.28
Diluted net income per share	$	0.41	$	0.27

(1)For the three months ended March 31, 2021, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (ii) the Asset Purchase Agreement with MedTouch LLC (“MedTouch”); (iii) the Asset Purchase Agreement with Catalyst Networks, Inc. (“Brainjocks”); and (iv) the Stock Purchase Agreement with the shareholders of Productora de Software S.A.S. (“PSL”), as part of the consideration. For the three months ended March 31, 2020, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”); (iv) the Asset Purchase Agreement with Sundog Interactive, Inc. (“Sundog”); (v) the Asset Purchase Agreement with MedTouch; and (vi) the Asset Purchase Agreement with Brainjocks, 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 March 31,
	2021	2020
Restricted stock subject to vesting	—	69
Warrants related to the issuance of convertible senior notes	4,451	3,823
Total anti-dilutive securities	4,451	3,892

See Note 11, Long-term Debt for further information on the convertible senior notes and warrants related to the issuance of convertible notes.

Prior to 2021, the Company’s Board of Directors authorized the repurchase of up to $265.0 million of Company common stock through a stock repurchase program. Subsequent to March 31, 2021, the Board of Directors authorized a $50.0 million expansion of the Company's stock repurchase program for a total repurchase program of $315.0 million and extended the expiration date of the program from June 30, 2021 to December 31, 2022. 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 $244.5 million (15.9 million shares) of outstanding common stock through March 31, 2021.

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Balance Sheet Components

3 Months Ended

Mar. 31, 2021

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

Balance Sheet Components

	March 31, 2021 (unaudited)		December 31, 2020
Accounts receivable:	(in thousands)
Billed accounts receivable, net	$	81,866	$	85,998
Unbilled revenues, net	56,970		47,087
Total	$	138,836	$	133,085

Property and equipment:
Computer hardware (useful life of 3 years)	$	16,092	$	15,640
Software (useful life of 1 to 7 years)	5,341		5,342
Furniture and fixtures (useful life of 5 years)	4,506		4,597
Leasehold improvements (useful life of 5 years)	7,083		6,607
Less: Accumulated depreciation	(21,305)		(20,284)
Total	$	11,717	$	11,902

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	34,511	$	33,943
Current operating lease liabilities	10,134		10,321
Accrued variable compensation	9,932		27,527
Deferred revenues	8,823		9,422
Other current liabilities	9,589		7,652
Deferred employer FICA payments	5,519		5,523
Payroll related costs	5,923		5,738
Professional fees	780		736
Accrued medical claims expense	2,162		2,405
Total	$	87,373	$	103,267

Other non-current liabilities:
Deferred income taxes	$	19,310	$	20,911
Reserve for uncertain tax positions	8,365		8,009
Deferred compensation liability	8,220		7,456
Non-current software accrual	6,024		5,748
Deferred employer FICA payments	5,519		5,523
Other non-current liabilities	3,943		2,434
Total	$	51,381	$	50,081

(1)As of March 31, 2021 and December 31, 2020, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by MedTouch, Brainjocks and the shareholders of PSL 12 months after the respective acquisitions.

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Allowance for Credit Losses

3 Months Ended

Mar. 31, 2021

Credit Loss [Abstract]

Allowance for Credit Losses

Allowance for Credit LossesIn accordance with ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, the Company evaluates its allowance based on expected losses rather than incurred losses, which is known as the current expected credit loss model. The allowance is determined using the loss rate approach and is measured on a collective (pool) basis when similar risk characteristics exist. Where financial instruments do not share risk characteristics, they are evaluated on an individual basis. The allowance is based on relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts.

A higher allowance for credit losses on customers within certain industries was recorded during the three months ended March 31, 2020 due to the potential adverse impact the COVID-19 pandemic may have on the estimate of future credit losses. As of March 31, 2021, the Company reassessed its allowance and determined that a higher loss rate was no longer necessary based on the Company's loss experience over the past year, the Company's risk assessment of customers, and its expectations for continued successful collection of its accounts receivable balances.

Activity in the allowance for credit losses is summarized as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Balance at December 31	$	1,065	$	464
Impact of ASU No. 2016-13 adoption	—		423
Opening balance at January 1	1,065		887
Charges to expense, net of recoveries	(10)		830
Uncollected balances written off	(65)		(94)
Balance at March 31	$	990	$	1,623

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Business Combinations

3 Months Ended

Mar. 31, 2021

Business Combinations [Abstract]

Business Combinations

Business Combinations

2020 Acquisitions

On January 6, 2020, the Company acquired substantially all of the assets of MedTouch, pursuant to the terms of an Asset Purchase Agreement. The acquisition of MedTouch expands the Company’s digital healthcare marketing services. The Company’s total allocable purchase price consideration was $20.0 million. The Company incurred approximately $0.6 million in transaction costs, which were expensed when incurred. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $11.2 million.

On March 23, 2020, the Company acquired substantially all of the assets of Brainjocks, pursuant to the terms of an Asset Purchase Agreement. The acquisition of Brainjocks expands the Company’s strategic marketing and technical delivery services. On May 4, 2020, pursuant to a separate Asset Purchase Agreement, a wholly-owned subsidiary of the Company completed the acquisition of substantially all of the assets of Brainjocks Europe d.o.o. Novi Sad, an affiliate of Brainjocks operating in Serbia. With the completion of this acquisition, the Company has facilities located in Novi Sad, Serbia. The Company's total allocable purchase price consideration was $21.2 million. The Company incurred approximately $1.1 million in transaction costs, which were expensed when incurred. The amount of goodwill expected to be deductible for tax purposes, excluding contingent consideration, is $8.7 million.

On June 17, 2020, a wholly-owned subsidiary of the Company acquired PSL pursuant to the terms of a Stock Purchase Agreement. PSL is based in Medellin, Colombia, with additional locations in Bogota and Cali, Colombia. The acquisition of PSL strengthens the Company’s global delivery capabilities, enhancing its nearshore systems and custom software application development, testing, and ongoing support for customers. PSL added more than 600 professionals and strategic client relationships with customers across several industries. The Company's total allocable purchase price consideration was $83.1 million, net of cash acquired. The Company incurred approximately $2.1 million in transaction costs, which were expensed when incurred. The goodwill is non-deductible for tax purposes.

The acquisition date fair value of the consideration transferred for the 2020 acquisitions consisted of the following (in millions):

	MedTouch			Brainjocks			PSL
Cash	$	13.9		$	15.8		$	60.8
Company common stock issued at closing	1.9			2.4			4.5
Contingent consideration (1)	4.2		(2)	2.3		(3)	17.7		(4)
Net working capital adjustment due to the seller(s)	—			0.7			0.1
Total allocable purchase price consideration	$	20.0		$	21.2		$	83.1

(1)Represents the initial fair value estimate of additional revenue and earnings-based contingent consideration, which may be realized by the seller(s) 12 months after the closing date of the acquisition.

(2)The maximum cash payout that may be realized by MedTouch is $10.2 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $9.0 million. The Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Unaudited Condensed Consolidated Statements of Operations of $0.1 million during the three months ended March 31, 2021.

(3)The maximum cash payout that may be realized by Brainjocks is $4.8 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $3.9 million. The Company recorded a pre-tax adjustment in “Adjustment to fair value of contingent consideration” on the Consolidated Statements of Operations of $0.3 million during the three months ended March 31, 2021.

(4)The maximum cash payout that may be realized by PSL is $22.2 million. As of March 31, 2021, the Company’s best estimate of the fair value of the contingent consideration was $21.6 million.

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

	MedTouch		Brainjocks		PSL
Acquired tangible assets	$	4.7	$	7.0	$	11.5
Identified intangible assets	6.7		8.4		29.6
Liabilities assumed	(6.0)		(4.9)		(17.8)
Goodwill	14.6		10.7		59.8
Total purchase price	$	20.0	$	21.2	$	83.1

As the Company continues its evaluation of the acquired assets and assumed liabilities of PSL, the Company recorded certain adjustments during the measurement period based on facts and circumstances that existed as of acquisition date. The measurement period adjustments resulted in an increase to the total purchase price of $1.1 million, an increase to acquired tangible assets of $0.4 million, a decrease to identified intangible assets of $0.4 million, an increase to liabilities assumed of $1.8 million and an increase to goodwill of $2.9 million from the acquisition date through March 31, 2021.

The above purchase price accounting estimates for PSL are pending finalization of a net working capital adjustment 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 year ended December 31, 2020 (dollars in millions).

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	6 years	5 - 7 years	$	33.0
Customer backlog	1 year	1 year	9.6
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.4
Developed software	4 years	3 - 5 years	1.5
Total acquired intangible assets			$	44.7

Pro-forma Results of Operations

The following presents the unaudited pro-forma combined results of operations of the Company with PSL for the three months ended March 31, 2021 and 2020, after giving effect to certain pro-forma adjustments and assuming PSL was acquired as of the beginning of 2019. Pro-forma results of operations have not been presented for MedTouch or Brainjocks because the effect of these acquisitions on the Company's consolidated financial statements were not material individually or in the aggregate.

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 acquisition of PSL actually occurred on January 1, 2019 or of future results of operations of the consolidated entities (in thousands except per share data):

	Three Months Ended March 31,
	2021		2020
Revenues	$	169,341	$	154,407
Net income	$	15,167	$	9,718
Basic net income per share	$	0.47	$	0.31
Diluted net income per share	$	0.46	$	0.29
Shares used in computing basic net income per share	32,011		31,785
Shares used in computing diluted net income per share	33,015		33,047

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2021

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 March 31, 2021.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and 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 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. There was no indication that other intangible assets became impaired as of March 31, 2021.

Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2021 are as follows (in thousands):

Balance at December 31, 2020	$	427,928
Purchase price allocation for acquisitions	(1,563)
Effect of foreign currency translation adjustments	(4,438)
Balance at March 31, 2021	$	421,927

Intangible Assets with Definite Lives

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

	March 31, 2021						December 31, 2020
	Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts
Customer relationships	$	96,079	$	(47,829)	$	48,250	$	97,497	$	(44,185)	$	53,312
Non-compete agreements	1,467		(904)		563		1,479		(831)		648
Customer backlog	8,643		(6,818)		1,825		10,353		(5,941)		4,412
Trade name	317		(250)		67		449		(281)		168
Developed software	14,256		(9,593)		4,663		13,962		(8,931)		5,031
Total	$	120,762	$	(65,394)	$	55,368	$	123,740	$	(60,169)	$	63,571

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

Customer relationships	5 - 10 years
Non-compete agreements	4 - 5 years
Customer backlog	1 year
Trade name	1 year
Developed software	1 - 7 years

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows: (in thousands):

2021 remaining	$	14,412
2022	$	15,543
2023	$	10,790
2024	$	7,728
2025	$	4,522
Thereafter	$	2,373

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Long-term Debt

3 Months Ended

Mar. 31, 2021

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. As of March 31, 2021, there was no outstanding balance under the Credit Agreement.

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 March 31, 2021, the Company had two outstanding letters 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 (3.25% on March 31, 2021) plus a margin ranging from 0.00% to 0.50% or one month LIBOR (0.11% on March 31, 2021) 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 March 31, 2021, 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 March 31, 2021, the Company was in compliance with all covenants under the Credit Agreement.

Convertible Senior Notes due 2025

On August 14, 2020, the Company issued $230.0 million aggregate principal amount of 1.250% Convertible Senior Notes Due 2025 (the “2025 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 $7.3 million, were $222.7 million. The Company used (i) $172.0 million of the net proceeds to partially repurchase the 2023 Notes (as defined and described below), and (ii) $26.7 million of the net proceeds to fund the cost of entering into the 2025 Notes Hedges

(as defined below), after such cost was partially offset by the proceeds that the Company received from entering into the 2025 Notes Warrants (as defined below). The remaining proceeds of $24.0 million will be used for working capital or other general corporate purposes.

The 2025 Notes bear interest at a rate of 1.250% per year. Interest is payable in cash on February 1 and August 1 of each year, with the first payment made on February 1, 2021. The 2025 Notes mature on August 1, 2025 unless earlier converted, redeemed or repurchased in accordance with their terms prior to such date. The initial conversion rate is 19.3538 shares of the Company’s common stock per $1,000 principal amount of 2025 Notes, which is equivalent to an initial conversion price of approximately $51.67 per share of common stock. After consideration of the 2025 Notes Hedges and 2025 Notes Warrants, the conversion rate is effectively hedged to a price of $81.05 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 2025 Notes (the “2025 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 2025 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 2025 Notes in cash upon conversion.

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 “2023 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. The net proceeds from the offerings, after deducting the initial purchasers’ discount and issuance costs of $4.4 million, were $139.4 million.

The 2023 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, with the first payment made on March 15, 2019. The 2023 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 2023 Notes, which is equivalent to an initial conversion price of approximately $37.60 per share of common stock. After consideration of the 2023 Notes Hedges (as defined below) and 2023 Notes Warrants (as 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 2023 Notes (the “2023 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 2023 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 2023 Notes in cash upon conversion.

In August and December 2020, the Company repurchased a portion of the outstanding 2023 Notes through individual, privately negotiated transactions (the “2023 Notes Partial Repurchase”), leaving 2023 Notes with an aggregate principal amount of $5.1 million outstanding as of March 31, 2021. The Company used $172.0 million of the net proceeds from the 2025 Notes issuance in August 2020 and $9.7 million of additional cash in December 2020 to complete the 2023 Notes Partial Repurchase, of which a total of $127.7 million and $52.7 million were allocated to the liability and equity components of the 2023 Notes, respectively, and $1.3 million was related to the payment of interest. The 2023 Notes Partial Repurchase resulted in a $4.5 million loss on extinguishment during the year ended December 31, 2020, which includes the proportionate amounts of unamortized debt discount and the remaining unamortized debt issuance costs of $2.4 million.

Other Terms of the Notes

The 2025 Notes and 2023 Notes (together, the “Notes”) may be converted at the holder’s option prior to the close of business on the business day immediately preceding August 1, 2025 and September 15, 2023 for the 2025 Notes and 2023 Notes, respectively, but only under the following circumstances:

•during any calendar quarter commencing after the calendar quarter ending on September 30, 2020 and December 31, 2018 for the 2025 Notes and 2023 Notes, respectively, if the last reported sale price per share of the Company’s common stock exceeds 130% of the applicable 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 applicable conversion rate on such trading day;

•upon the occurrence of certain corporate events or distributions on the Company’s common stock described in the 2025 Indenture or the 2023 Indenture, as applicable; and

•at any time from, and including, February 3, 2025 and March 15, 2023 for the 2025 Notes and 2023 Notes, respectively, until the close of business on the second scheduled trading day immediately before the applicable maturity date.

The Company may not redeem the Notes at its option before maturity. If a “fundamental change” (as defined in the 2025 Indenture or 2023 Indenture) occurs, then, except as described in the 2025 Indenture or 2023 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.

During the three months ended March 31, 2021, the conditional conversion feature of the 2023 Notes was triggered as the last reported sale price of the Company's common stock was more than or equal to 130% of the conversion price for at least 20 trading days in the period of 30 consecutive trading days ending on March 31, 2021 (the last trading day of the fiscal quarter), and therefore the 2023 Notes are currently convertible, in whole or in part, at the option of the holder during the quarter ending June 30, 2021. Whether the 2023 Notes will be convertible following such period will depend on the continued satisfaction of this condition or another conversion condition in the future. Since the Company has the election of repaying the 2023 Notes in cash, shares of the Company’s common stock, or a combination of both, the Company continued to classify the liability component of the 2023 Notes as long-term debt on the Condensed Consolidated Balance Sheet as of March 31, 2021 (unaudited). As of the date of this filing, none of the holders of the 2023 Notes have submitted requests for conversion. As of March 31, 2021, none of the conditions permitting holders to convert their 2025 Notes had been satisfied and no shares of the Company’s common stock had been issued in connection with any conversions of the 2025 Notes. Based on the closing price of the Company's common stock of $58.72 per share on March 31, 2021, the conversion value of the Notes was greater than the principal amount of the Notes outstanding on a per note basis.

The liability component of the 2025 Notes and 2023 Notes consisted of the following (in thousands):

	March 31, 2021 (unaudited)				December 31, 2020
Liability component:	2025 Notes		2023 Notes		2025 Notes		2023 Notes
Principal	$	230,000	$	5,090	$	230,000	$	5,090
Less: Unamortized debt discount	(43,511)		(389)		(45,690)		(426)
Unamortized debt issuance costs	(4,983)		(72)		(5,271)		(79)
Net carrying amount	$	181,506	$	4,629	$	179,039	$	4,585

Interest expense for the three months ended March 31, 2021 and 2020 related to the 2025 Notes and 2023 Notes consisted of the following (in thousands):

2025 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	719	$	—
Amortization of debt discount	2,179		—
Amortization of debt issuance costs	287		—
Total interest expense recognized	$	3,185	$	—

2023 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	30	$	854
Amortization of debt discount	37		977
Amortization of debt issuance costs	7		206
Total interest expense recognized	$	74	$	2,037

Convertible Notes Hedges

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company entered into privately negotiated convertible note hedge transactions (the “2025 Notes Hedges” and the “2023 Notes Hedges,” respectively, and together, the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The 2025 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 4.5 million shares of common stock at a strike price of $51.67, which is equal to the number of shares of common stock that notionally underlie the 2025 Notes and correspond to the conversion price of the 2025 Notes. The 2023 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 0.1 million shares (after consideration of the 2023 Notes Partial Repurchase) 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 2023 Notes and correspond to the conversion price of the 2023 Notes after the partial repurchase discussed above. If the Company elects cash settlement and exercises the 2025 Notes Hedges or the 2023 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. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company terminated 2023 Notes Hedges corresponding to approximately 3.7 million shares for cash proceeds of $50.1 million. The proceeds were recorded as an increase to additional paid-in capital within stockholders' equity.

Convertible Notes Warrants

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company also sold net-share-settled warrants (the “2025 Notes Warrants” and the “2023 Notes Warrants,” respectively, and together, the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the 2025 Notes Warrants and 2023 Notes Warrants was approximately $81.05 and $46.62 per share, respectively, and is subject to certain adjustments under the terms of their respective Notes Warrants. As a result of the 2025 Notes Warrants and 2023 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 $81.05 for any fiscal quarter for the 2025 Notes Warrants and $46.62 for the 2023 Notes Warrants. The 2025 Notes Warrants and 2023 Notes Warrants expire over a period of 100 trading days commencing on November 1, 2025 and December 15, 2023, respectively, and may be settled in net shares of common stock or net cash at the Company’s election. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company repurchased a portion of the 2023 Notes Warrants through a cash payment of $43.0 million. The repurchase was recorded as a reduction in additional paid-in capital within stockholders' equity.

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Income Taxes

3 Months Ended

Mar. 31, 2021

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 2015. The Company’s 2016 and 2017 U.S. income tax returns are currently under examination by the IRS. The IRS has sought to disallow research credits in the total amount of $5.7 million on the Company’s 2011 through 2015 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 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 March 31, 2021 is approximately $20.7 million.

Under the provisions of the ASC Subtopic 740-10-25, Income Taxes - Recognition, the Company had an unrecognized tax benefit of $7.4 million (excluding $1.0 million of interest) as of March 31, 2021.

The Company’s effective tax rate was 19.0% for the three months ended March 31, 2021 compared to 14.6% for the three months ended March 31, 2020. The effective tax rate increased during the three months ended March 31, 2021 primarily due to the relative decrease in tax benefits recognized for share-based compensation deductions during the three months ended March 31, 2021 compared to the prior-year quarter. As of March 31, 2021, the Company’s net non-current deferred tax liability was $19.3 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 Sheets as of March 31, 2021 (unaudited) and December 31, 2020.

In general, it is the Company’s practice and intention to reinvest the earnings of the Company’s foreign subsidiaries in those operations. However, the Company has determined that the foreign earnings of the Company’s Chinese and Colombian subsidiaries are no longer permanently reinvested and may repatriate available earnings from time to time. Management intends to continue to permanently reinvest all other remaining current and prior earnings in its other foreign subsidiaries.

Excluding China and Colombia, 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 March 31, 2021, the aggregate unremitted earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not been recorded was approximately $15.6 million, and the unrecognized deferred tax liability on unremitted earnings was approximately $0.9 million.

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Derivatives

3 Months Ended

Mar. 31, 2021

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 and 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 immaterial during each of the three months ended March 31, 2021 and 2020. 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 notional amounts of the Company’s derivative instruments outstanding were as follows (in thousands):

	March 31, 2021 (unaudited)		December 31, 2020
Derivatives not designated as hedges
Foreign exchange contracts	$	17,314	$	16,008
Total derivatives not designated as hedges	$	17,314	$	16,008

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Fair Value Measurements

3 Months Ended

Mar. 31, 2021

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 March 31, 2021 and December 31, 2020, $57.1 million and $66.0 million, respectively, 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 Company has a deferred compensation plan, which is funded through company-owned life insurance (“COLI”) policies. The COLI asset is carried at fair value derived from quoted market prices of investments within the COLI policies, which are considered Level 2 inputs. The fair value of the COLI asset was $7.7 million and $7.4 million as of March 31, 2021 and December 31, 2020, respectively.

The Company estimates the fair value of each foreign exchange forward contract by using the present value of expected cash flows. The estimate takes into account 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 derivatives fall within Level 2 of the GAAP valuation hierarchy. The fair value of the Company’s derivative instruments outstanding as of March 31, 2021 was immaterial.

The Company has contingent consideration liabilities related to acquisitions which are measured on a recurring basis and recorded at fair value, determined using the discounted cash flow method. The inputs used to calculate the fair value of the contingent consideration liabilities are considered to be Level 3 inputs due to the lack of relevant market activity and significant management judgment. An increase in future cash flows may result in a higher estimated fair value while a decrease in future cash flows may result in a lower estimated fair value of the contingent consideration liabilities. Remeasurements to fair value are recorded in adjustment to fair value of contingent consideration in the Unaudited Condensed Consolidated Statements of Operations. Refer to Note 7, Balance Sheet Components, for the estimated fair value of the contingent consideration liabilities as of March 31, 2021.

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 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 2025 Notes as of March 31, 2021 and December 31, 2020 was $297.3 million and $263.4 million, respectively, and the approximate fair value of the 2023 Notes as of March 31, 2021 and December 31, 2020 was $8.6 million and $7.1 million, respectively. The fair values were estimated on the basis of inputs that are observable in the market and are considered a Level 2 fair value measurement.

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Leases

3 Months Ended

Mar. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Leases

Leases

The Company leases office space under various operating lease agreements, which have remaining lease terms of less than one year to eight years. Operating leases are included in operating lease right-of-use assets, other current liabilities, and operating lease liabilities on the consolidated balance sheet. Operating lease expense for the three months ended March 31, 2021 and 2020 was $3.3 million and $2.8 million, respectively.

Supplemental balance sheet information related to leases was as follows (in thousands):

	March 31, 2021		December 31, 2020
Other current liabilities	$	10,134	$	10,321
Operating lease liabilities	27,937		29,098
Total	$	38,071	$	39,419

Future minimum lease payments as of March 31, 2021 were as follows (in thousands):

	March 31, 2021
2021 remaining	$	6,564
2022	10,047
2023	8,050
2024	6,211
2025	4,651
Thereafter	5,907
Total future lease payments	41,430
Less implied interest	(3,359)
Total	$	38,071

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Commitments and Contingencies	3 Months Ended
	Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and ContingenciesFrom 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.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2021

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.

There have been no changes to significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2020 that have had a material impact on the Company’s condensed consolidated financial statements and related notes.

Recent Accounting Pronouncements

In August 2020, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity’s Own Equity (Subtopic 815-40), which simplifies the accounting for convertible instruments. The guidance removes certain accounting models that separate the embedded conversion features from the host contract for convertible instruments, requiring bifurcation only if the convertible debt feature qualifies as a derivative or for convertible debt issued at a substantial premium. The ASU removes certain settlement conditions required for equity contracts to qualify for the derivative scope exception, permitting more contracts to qualify for the exception. In addition, the guidance eliminates the treasury stock method to calculate diluted earnings per share for convertible instruments and requires the use of the if-converted method. The ASU is effective for annual reporting periods beginning after December 15, 2021, including interim reporting periods within those annual periods, with early adoption permitted no earlier than the fiscal year beginning after December 15, 2020. The ASU allows entities to use a modified or full retrospective transition method. Under the modified approach, entities will apply the guidance to all financial instruments that are outstanding as of the beginning of the year of adoption with the cumulative effect recognized as an adjustment to the opening balance of retained earnings. Under the full retrospective method, entities will apply the guidance to all outstanding financial instruments for each prior reporting period presented. The Company will adopt this ASU on January 1, 2022 and is currently evaluating the method of adoption and the related impact of the new guidance on earnings per share and on its financial statements.

Revenue from Contract with Customer

The Company’s revenues consist of services and software and hardware sales. In accordance with Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers, revenues are recognized when control of 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.

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 hourly rates. 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 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, 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 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.

    Revenues are presented net of taxes assessed by governmental authorities. Sales taxes are generally collected and subsequently remitted on all software and hardware sales and certain services transactions as appropriate.

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. Because contracts that contain multiple performance obligations are typically short term due to the contract cancellation provisions, the allocation of the transaction price to the separate performance obligations is not considered a significant estimate.

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 earned. 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 because 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. The fair value of restricted stock awards is based on the value of the Company’s common stock on the date of the grant.

Allowance for Credit Losses

In accordance with ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, the Company evaluates its allowance based on expected losses rather than incurred losses, which is known as the current expected credit loss model. The allowance is determined using the loss rate approach and is measured on a collective (pool) basis when similar risk characteristics exist. Where financial instruments do not share risk characteristics, they are evaluated on an individual basis. The allowance is based on relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. A higher allowance for credit losses on customers within certain industries was recorded during the three months ended March 31, 2020 due to the potential adverse impact the COVID-19 pandemic may have on the estimate of future credit losses. As of March 31, 2021, the Company reassessed its allowance and determined that a higher loss rate was no longer necessary based on the Company's loss experience over the past year, the Company's risk assessment of customers, and its expectations for continued successful collection of its accounts receivable balances.

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 March 31, 2021.

Other intangible assets include customer relationships, non-compete arrangements, trade names, customer backlog, and 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 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. There was no indication that other intangible assets became impaired as of March 31, 2021.

Long-term Debt

, the Company repurchased a portion of the outstanding 2023 Notes through individual, privately negotiated transactions (the “2023 Notes Partial Repurchase”), leaving 2023 Notes with an aggregate principal amount of $5.1 million outstanding as of March 31, 2021. The Company used $172.0 million of the net proceeds from the 2025 Notes issuance in August 2020 and $9.7 million of additional cash in December 2020 to complete the 2023 Notes Partial Repurchase, of which a total of $127.7 million and $52.7 million were allocated to the liability and equity components of the 2023 Notes, respectively, and $1.3 million was related to the payment of interest. The 2023 Notes Partial Repurchase resulted in a $4.5 million loss on extinguishment during the year ended December 31, 2020, which includes the proportionate amounts of unamortized debt discount and the remaining unamortized debt issuance costs of $2.4 million.

Convertible Notes Hedges

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company entered into privately negotiated convertible note hedge transactions (the “2025 Notes Hedges” and the “2023 Notes Hedges,” respectively, and together, the “Notes Hedges”) with certain of the initial purchasers or their respective affiliates and/or other financial institutions (the “Option Counterparties”). The 2025 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 4.5 million shares of common stock at a strike price of $51.67, which is equal to the number of shares of common stock that notionally underlie the 2025 Notes and correspond to the conversion price of the 2025 Notes. The 2023 Notes Hedges provide the Company with the option to acquire, on a net settlement basis, approximately 0.1 million shares (after consideration of the 2023 Notes Partial Repurchase) 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 2023 Notes and correspond to the conversion price of the 2023 Notes after the partial repurchase discussed above. If the Company elects cash settlement and exercises the 2025 Notes Hedges or the 2023 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. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company terminated 2023 Notes Hedges corresponding to approximately 3.7 million shares for cash proceeds of $50.1 million. The proceeds were recorded as an increase to additional paid-in capital within stockholders' equity.

Convertible Notes Warrants

In connection with the issuance of the 2025 Notes and 2023 Notes, the Company also sold net-share-settled warrants (the “2025 Notes Warrants” and the “2023 Notes Warrants,” respectively, and together, the “Notes Warrants”) in privately negotiated transactions with the Option Counterparties. The strike price of the 2025 Notes Warrants and 2023 Notes Warrants was approximately $81.05 and $46.62 per share, respectively, and is subject to certain adjustments under the terms of their respective Notes Warrants. As a result of the 2025 Notes Warrants and 2023 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 $81.05 for any fiscal quarter for the 2025 Notes Warrants and $46.62 for the 2023 Notes Warrants. The 2025 Notes Warrants and 2023 Notes Warrants expire over a period of 100 trading days commencing on November 1, 2025 and December 15, 2023, respectively, and may be settled in net shares of common stock or net cash at the Company’s election. In August and December 2020, in connection with the 2023 Notes Partial Repurchase, the Company repurchased a portion of the 2023 Notes Warrants through a cash payment of $43.0 million. The repurchase was recorded as a reduction in additional paid-in capital within stockholders' equity.

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 and 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 immaterial during each of the three months ended March 31, 2021 and 2020. 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.

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 March 31, 2021 and December 31, 2020, $57.1 million and $66.0 million, respectively, 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 Company has a deferred compensation plan, which is funded through company-owned life insurance (“COLI”) policies. The COLI asset is carried at fair value derived from quoted market prices of investments within the COLI policies, which are considered Level 2 inputs. The fair value of the COLI asset was $7.7 million and $7.4 million as of March 31, 2021 and December 31, 2020, respectively.

The Company estimates the fair value of each foreign exchange forward contract by using the present value of expected cash flows. The estimate takes into account 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 derivatives fall within Level 2 of the GAAP valuation hierarchy. The fair value of the Company’s derivative instruments outstanding as of March 31, 2021 was immaterial.

The Company has contingent consideration liabilities related to acquisitions which are measured on a recurring basis and recorded at fair value, determined using the discounted cash flow method. The inputs used to calculate the fair value of the contingent consideration liabilities are considered to be Level 3 inputs due to the lack of relevant market activity and significant management judgment. An increase in future cash flows may result in a higher estimated fair value while a decrease in future cash flows may result in a lower estimated fair value of the contingent consideration liabilities. Remeasurements to fair value are recorded in adjustment to fair value of contingent consideration in the Unaudited Condensed Consolidated Statements of Operations. Refer to Note 7, Balance Sheet Components, for the estimated fair value of the contingent consideration liabilities as of March 31, 2021.

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 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 2025 Notes as of March 31, 2021 and December 31, 2020 was $297.3 million and $263.4 million, respectively, and the approximate fair value of the 2023 Notes as of March 31, 2021 and December 31, 2020 was $8.6 million and $7.1 million, respectively. The fair values were estimated on the basis of inputs that are observable in the market and are considered a Level 2 fair value measurement.

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.

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Revenue (Tables)

3 Months Ended

Mar. 31, 2021

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 March 31,
	2021						2020
	Over Time		Point In Time		Total Revenues		Over Time		Point In Time		Total Revenues
Time and materials contracts	$	128,591	$	—	$	128,591	$	99,991	$	—	$	99,991
Fixed fee percent complete contracts	11,580		—		11,580		11,621		—		11,621
Fixed fee contracts	22,477		—		22,477		25,028		—		25,028
Reimbursable expenses	2,254		—		2,254		4,394		—		4,394
Total professional services fees	164,902		—		164,902		141,034		—		141,034
Other services revenue*	3,117		711		3,828		3,630		738		4,368
Total services	168,019		711		168,730		144,664		738		145,402
Software and hardware	—		611		611		—		160		160
Total revenues	$	168,019	$	1,322	$	169,341	$	144,664	$	898	$	145,562

* Other services revenue primarily consists of hosting fees, maintenance, training, internally developed SaaS revenue 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 March 31,
	2021		2020
United States	$	165,808	$	142,570
Other countries	3,533		2,992
Total revenues	$	169,341	$	145,562

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Restricted stock activity

Restricted stock activity for the three months ended March 31, 2021 was as follows (shares in thousands):

	Shares	Weighted-Average Grant Date Fair Value
Restricted stock awards outstanding at December 31, 2020	905	$	35.34
Awards granted	192	55.70
Awards vested	(236)	29.83
Awards forfeited	(18)	35.87
Restricted stock awards outstanding at March 31, 2021	843	$	41.50

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Net Income per Share (Tables)

3 Months Ended

Mar. 31, 2021

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 March 31,
	2021		2020
Net income	$	13,593	$	8,974
Basic:
Weighted-average shares of common stock outstanding	31,864		31,637
Shares used in computing basic net income per share	31,864		31,637
Effect of dilutive securities:
Restricted stock subject to vesting	448		529
Shares issuable for acquisition consideration (1)	246		181
Shares issuable for conversion of convertible senior notes	433		529
Shares issuable for exercise of warrants	24		—
Shares used in computing diluted net income per share	33,015		32,876
Basic net income per share	$	0.43	$	0.28
Diluted net income per share	$	0.41	$	0.27

(1)For the three months ended March 31, 2021, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with Zeon Solutions Incorporated and certain related entities (collectively, “Zeon”); (ii) the Asset Purchase Agreement with MedTouch LLC (“MedTouch”); (iii) the Asset Purchase Agreement with Catalyst Networks, Inc. (“Brainjocks”); and (iv) the Stock Purchase Agreement with the shareholders of Productora de Software S.A.S. (“PSL”), as part of the consideration. For the three months ended March 31, 2020, this represents the shares held in escrow pursuant to: (i) the Asset Purchase Agreement with RAS & Associates, LLC (“RAS”); (ii) the Asset Purchase Agreement with Zeon; (iii) the Asset Purchase Agreement with Stone Temple Consulting Corporation (“Stone Temple”); (iv) the Asset Purchase Agreement with Sundog Interactive, Inc. (“Sundog”); (v) the Asset Purchase Agreement with MedTouch; and (vi) the Asset Purchase Agreement with Brainjocks, 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 March 31,
	2021	2020
Restricted stock subject to vesting	—	69
Warrants related to the issuance of convertible senior notes	4,451	3,823
Total anti-dilutive securities	4,451	3,892

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Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2021

Balance Sheet Related Disclosures [Abstract]

Accounts receivable

	March 31, 2021 (unaudited)		December 31, 2020
Accounts receivable:	(in thousands)
Billed accounts receivable, net	$	81,866	$	85,998
Unbilled revenues, net	56,970		47,087
Total	$	138,836	$	133,085

Property and equipment

Property and equipment:
Computer hardware (useful life of 3 years)	$	16,092	$	15,640
Software (useful life of 1 to 7 years)	5,341		5,342
Furniture and fixtures (useful life of 5 years)	4,506		4,597
Leasehold improvements (useful life of 5 years)	7,083		6,607
Less: Accumulated depreciation	(21,305)		(20,284)
Total	$	11,717	$	11,902

Other current liabilities

Other current liabilities:
Estimated fair value of contingent consideration liability (1)	$	34,511	$	33,943
Current operating lease liabilities	10,134		10,321
Accrued variable compensation	9,932		27,527
Deferred revenues	8,823		9,422
Other current liabilities	9,589		7,652
Deferred employer FICA payments	5,519		5,523
Payroll related costs	5,923		5,738
Professional fees	780		736
Accrued medical claims expense	2,162		2,405
Total	$	87,373	$	103,267

Other non-current liabilities

Other non-current liabilities:
Deferred income taxes	$	19,310	$	20,911
Reserve for uncertain tax positions	8,365		8,009
Deferred compensation liability	8,220		7,456
Non-current software accrual	6,024		5,748
Deferred employer FICA payments	5,519		5,523
Other non-current liabilities	3,943		2,434
Total	$	51,381	$	50,081

(1)As of March 31, 2021 and December 31, 2020, represents the fair value estimate of revenue and earnings-based contingent consideration that may be realized by MedTouch, Brainjocks and the shareholders of PSL 12 months after the respective acquisitions.

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Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2021

Credit Loss [Abstract]

Allowance for credit losses

Activity in the allowance for credit losses is summarized as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Balance at December 31	$	1,065	$	464
Impact of ASU No. 2016-13 adoption	—		423
Opening balance at January 1	1,065		887
Charges to expense, net of recoveries	(10)		830
Uncollected balances written off	(65)		(94)
Balance at March 31	$	990	$	1,623

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Business Combinations (Tables)

3 Months Ended

Mar. 31, 2021

Business Combinations [Abstract]

Allocation of total purchase price consideration

The acquisition date fair value of the consideration transferred for the 2020 acquisitions consisted of the following (in millions):

	MedTouch			Brainjocks			PSL
Cash	$	13.9		$	15.8		$	60.8
Company common stock issued at closing	1.9			2.4			4.5
Contingent consideration (1)	4.2		(2)	2.3		(3)	17.7		(4)
Net working capital adjustment due to the seller(s)	—			0.7			0.1
Total allocable purchase price consideration	$	20.0		$	21.2		$	83.1

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

	MedTouch		Brainjocks		PSL
Acquired tangible assets	$	4.7	$	7.0	$	11.5
Identified intangible assets	6.7		8.4		29.6
Liabilities assumed	(6.0)		(4.9)		(17.8)
Goodwill	14.6		10.7		59.8
Total purchase price	$	20.0	$	21.2	$	83.1

Schedule of finite-lived intangible assets acquired

The following table presents details of the intangible assets acquired during the year ended December 31, 2020 (dollars in millions).

	Weighted Average Useful Life	Estimated Useful Life	Aggregate Acquisitions
Customer relationships	6 years	5 - 7 years	$	33.0
Customer backlog	1 year	1 year	9.6
Non-compete agreements	5 years	5 years	0.2
Trade name	1 year	1 year	0.4
Developed software	4 years	3 - 5 years	1.5
Total acquired intangible assets			$	44.7

Pro-forma results of operations

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 acquisition of PSL actually occurred on January 1, 2019 or of future results of operations of the consolidated entities (in thousands except per share data):

	Three Months Ended March 31,
	2021		2020
Revenues	$	169,341	$	154,407
Net income	$	15,167	$	9,718
Basic net income per share	$	0.47	$	0.31
Diluted net income per share	$	0.46	$	0.29
Shares used in computing basic net income per share	32,011		31,785
Shares used in computing diluted net income per share	33,015		33,047

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2021 are as follows (in thousands):

Balance at December 31, 2020	$	427,928
Purchase price allocation for acquisitions	(1,563)
Effect of foreign currency translation adjustments	(4,438)
Balance at March 31, 2021	$	421,927

Intangible assets

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

	March 31, 2021						December 31, 2020
	Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization		Net Carrying Amounts
Customer relationships	$	96,079	$	(47,829)	$	48,250	$	97,497	$	(44,185)	$	53,312
Non-compete agreements	1,467		(904)		563		1,479		(831)		648
Customer backlog	8,643		(6,818)		1,825		10,353		(5,941)		4,412
Trade name	317		(250)		67		449		(281)		168
Developed software	14,256		(9,593)		4,663		13,962		(8,931)		5,031
Total	$	120,762	$	(65,394)	$	55,368	$	123,740	$	(60,169)	$	63,571

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	4 - 5 years
Customer backlog	1 year
Trade name	1 year
Developed software	1 - 7 years

Estimated annual amortization expense

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows: (in thousands):

2021 remaining	$	14,412
2022	$	15,543
2023	$	10,790
2024	$	7,728
2025	$	4,522
Thereafter	$	2,373

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Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

The liability component of the 2025 Notes and 2023 Notes consisted of the following (in thousands):

	March 31, 2021 (unaudited)				December 31, 2020
Liability component:	2025 Notes		2023 Notes		2025 Notes		2023 Notes
Principal	$	230,000	$	5,090	$	230,000	$	5,090
Less: Unamortized debt discount	(43,511)		(389)		(45,690)		(426)
Unamortized debt issuance costs	(4,983)		(72)		(5,271)		(79)
Net carrying amount	$	181,506	$	4,629	$	179,039	$	4,585

Interest expense for the three months ended March 31, 2021 and 2020 related to the 2025 Notes and 2023 Notes consisted of the following (in thousands):

2025 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	719	$	—
Amortization of debt discount	2,179		—
Amortization of debt issuance costs	287		—
Total interest expense recognized	$	3,185	$	—

2023 Notes

	Three Months Ended March 31,
	2021		2020
Coupon interest	$	30	$	854
Amortization of debt discount	37		977
Amortization of debt issuance costs	7		206
Total interest expense recognized	$	74	$	2,037

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2021

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):

	March 31, 2021 (unaudited)		December 31, 2020
Derivatives not designated as hedges
Foreign exchange contracts	$	17,314	$	16,008
Total derivatives not designated as hedges	$	17,314	$	16,008

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Leases (Tables)

3 Months Ended

Mar. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Summary of lease liabilities

Supplemental balance sheet information related to leases was as follows (in thousands):

	March 31, 2021		December 31, 2020
Other current liabilities	$	10,134	$	10,321
Operating lease liabilities	27,937		29,098
Total	$	38,071	$	39,419

Future minimum leases payments under ASC topic 842

Future minimum lease payments as of March 31, 2021 were as follows (in thousands):

	March 31, 2021
2021 remaining	$	6,564
2022	10,047
2023	8,050
2024	6,211
2025	4,651
Thereafter	5,907
Total future lease payments	41,430
Less implied interest	(3,359)
Total	$	38,071

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Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	$ 138,836	$ 133,085
Stockholders' equity attributable to parent	$ (398,534)	$ (394,078)	$ (393,524)
Cumulative effect, period of adoption, adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity attributable to parent				$ 315

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Revenue - Services Revenue (Details) - Technology Service	3 Months Ended
	Mar. 31, 2021
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	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Change in Contract with Customer, Asset and Liability [Abstract]
Deferred revenue balance	$ 8.8	$ 9.4
Impact of ASC topic 606 adoption | ASU 2014-09
Change in Contract with Customer, Asset and Liability [Abstract]
Recognition of deferred revenue	$ 7.6

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Revenue - Disaggregation of Revenue by Revenue Source and Pattern of Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 169,341	$ 145,562
Over Time
Disaggregation of Revenue [Line Items]
Revenues	168,019	144,664
Point In Time
Disaggregation of Revenue [Line Items]
Revenues	1,322	898
Services
Disaggregation of Revenue [Line Items]
Revenues	168,730	145,402
Services | Over Time
Disaggregation of Revenue [Line Items]
Revenues	168,019	144,664
Services | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	711	738
Professional services
Disaggregation of Revenue [Line Items]
Revenues	164,902	141,034
Professional services | Over Time
Disaggregation of Revenue [Line Items]
Revenues	164,902	141,034
Professional services | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Professional services | Time and materials contracts
Disaggregation of Revenue [Line Items]
Revenues	128,591	99,991
Professional services | Time and materials contracts | Over Time
Disaggregation of Revenue [Line Items]
Revenues	128,591	99,991
Professional services | Time and materials contracts | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Professional services | Fixed fee percent complete contracts
Disaggregation of Revenue [Line Items]
Revenues	11,580	11,621
Professional services | Fixed fee percent complete contracts | Over Time
Disaggregation of Revenue [Line Items]
Revenues	11,580	11,621
Professional services | Fixed fee percent complete contracts | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Professional services | Fixed fee contracts
Disaggregation of Revenue [Line Items]
Revenues	22,477	25,028
Professional services | Fixed fee contracts | Over Time
Disaggregation of Revenue [Line Items]
Revenues	22,477	25,028
Professional services | Fixed fee contracts | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Professional services | Reimbursable expenses
Disaggregation of Revenue [Line Items]
Revenues	2,254	4,394
Professional services | Reimbursable expenses | Over Time
Disaggregation of Revenue [Line Items]
Revenues	2,254	4,394
Professional services | Reimbursable expenses | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Other services
Disaggregation of Revenue [Line Items]
Revenues	3,828	4,368
Other services | Over Time
Disaggregation of Revenue [Line Items]
Revenues	3,117	3,630
Other services | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	711	738
Software and hardware
Disaggregation of Revenue [Line Items]
Revenues	611	160
Software and hardware | Over Time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Software and hardware | Point In Time
Disaggregation of Revenue [Line Items]
Revenues	$ 611	$ 160

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Revenue - Disaggregation of Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 169,341	$ 145,562
United States
Disaggregation of Revenue [Line Items]
Revenues	165,808	142,570
Other countries
Disaggregation of Revenue [Line Items]
Revenues	$ 3,533	$ 2,992

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Stock-Based Compensation - Stock Award Plans (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Stock-Based Compensation [Abstract]
Requisite service period (in years)	3 years
Stock-based compensation expense	$ 5.3	$ 4.6
Stock-based compensation expense for retirement savings plan contributions	0.9	0.8
Associated current and future income tax benefits recognized	1.6	$ 1.5
Total unrecognized compensation cost related to non-vested share-based awards	$ 32.0
Unrecognized compensation cost, weighted-average period for recognition (in years)	2 years
2012 Long term incentive plan
Stock-Based Compensation [Abstract]
Maximum number of shares authorized under plan (in shares)	7.0
Number of shares available for issuance under the incentive plan (in shares)	1.2

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Stock-Based Compensation - Restricted Stock Activity (Details) - 2012 Long term incentive plan - Restricted stock subject to vesting shares in Thousands	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Shares
Restricted stock awards outstanding at beginning of period (in shares) | shares	905
Awards granted (in shares) | shares	192
Awards vested (in shares) | shares	(236)
Awards forfeited (in shares) | shares	(18)
Restricted stock awards outstanding at end of period (in shares) | shares	843
Weighted-Average Grant Date Fair Value
Awards outstanding at beginning of period (in dollars per share) | $ / shares	$ 35.34
Awards granted (in dollars per share) | $ / shares	55.70
Awards vested (in dollars per share) | $ / shares	29.83
Awards forfeited (in dollars per share) | $ / shares	35.87
Awards outstanding at end of period (in dollars per share) | $ / shares	$ 41.50

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Net Income per Share - Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Apr. 29, 2021
Earnings Per Share [Abstract]
Net income	$ 13,593,000	$ 8,974,000
Basic:
Weighted-average shares of common stock outstanding	31,864	31,637
Shares used in computing basic net income per share	31,864	31,637
Effect of dilutive securities:
Restricted stock subject to vesting	448	529
Shares issuable for acquisition consideration (in shares)	246	181
Shares issuable for conversion of convertible senior notes (in shares)	433	529
Shares issuable for exercise of warrants (in shares)	24	0
Shares used in computing diluted net income per share	33,015	32,876
Basic net income per share (in dollars per share)	$ 0.43	$ 0.28
Diluted net income per share (in dollars per share)	$ 0.41	$ 0.27
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares authorized to repurchase	$ 265,000,000.0
Subsequent Event
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares authorized to repurchase			$ 315,000,000.0

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Net Income per Share - Anti-dilutive Securities (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	4,451	3,892
Restricted stock subject to vesting
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	0	69
Warrants related to the issuance of convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	4,451	3,823

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Net Income per Share - Additional Information (Details) - USD ($) shares in Millions	Apr. 29, 2021	Mar. 31, 2021
Equity, Class of Treasury Stock [Line Items]
Shares authorized to repurchase		$ 265,000,000.0
Cumulative amount repurchased		$ 244,500,000
Cumulative number of shares repurchased (in shares)		15.9
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Shares authorized to repurchase	$ 315,000,000.0
Additional shares authorized to repurchase	$ 50,000,000.0

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Balance Sheet Components - Accounts Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Billed accounts receivable, net	$ 81,866	$ 85,998
Unbilled revenues, net	56,970	47,087
Total	$ 138,836	$ 133,085

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Balance Sheet Components - Property and Equipment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Property and Equipment [Abstract]
Less: Accumulated depreciation	$ (21,305)	$ (20,284)
Property and equipment, net	11,717	11,902
Computer hardware
Property and Equipment [Abstract]
Property and equipment	$ 16,092	15,640
Useful life	3 years
Software
Property and Equipment [Abstract]
Property and equipment	$ 5,341	5,342
Furniture and fixtures
Property and Equipment [Abstract]
Property and equipment	$ 4,506	4,597
Useful life	5 years
Leasehold improvements
Property and Equipment [Abstract]
Property and equipment	$ 7,083	$ 6,607
Useful life	5 years
Minimum | Software
Property and Equipment [Abstract]
Useful life	1 year
Maximum | Software
Property and Equipment [Abstract]
Useful life	7 years

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Balance Sheet Components - Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other current liabilities:
Estimated fair value of contingent consideration liability	$ 34,511	$ 33,943
Current operating lease liabilities	10,134	10,321
Accrued variable compensation	9,932	27,527
Deferred revenues	8,823	9,422
Other current liabilities	9,589	7,652
Deferred employer FICA payments	5,519	5,523
Payroll related costs	5,923	5,738
Professional fees	780	736
Accrued medical claims expense	2,162	2,405
Total	$ 87,373	$ 103,267

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Balance Sheet Components - Other Non-Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other non-current liabilities:
Deferred income taxes	$ 19,310	$ 20,911
Unrecognized Tax Benefits, Income Tax Penalties Accrued	8,365	8,009
Deferred compensation liability	8,220	7,456
Non-current software accrual	6,024	5,748
Deferred employer FICA payments	5,519	5,523
Other non-current liabilities	3,943	2,434
Total	$ 51,381	$ 50,081

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Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 1,065	$ 464
Charges to expense, net of recoveries	(10)	830
Uncollected balances written off	(65)	(94)
Balance at March 31	990	1,623
Cumulative effect, period of adoption, adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0	423
Cumulative effect, period of adoption, adjusted balance
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 1,065	$ 887

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Business Combinations MedTouch (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 06, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Adjustment to fair value of contingent consideration		$ 514	$ (335)
Goodwill		421,927		$ 427,928
MedTouch
Business Acquisition [Line Items]
Date of acquisition	Jan. 06, 2020
Total purchase price	$ 20,000
Cash paid for acquisition	13,900
Common stock issued	1,900
Initial fair value estimate of additional earnings-based contingent consideration	4,200
Net working capital settlement	0
Contingent consideration, maximum cash payout	10,200
Fair value of contingent consideration		9,000
Adjustment to fair value of contingent consideration		$ 100
Transaction costs	600
Acquired tangible assets	4,700
Identified intangible assets	6,700
Liabilities assumed	(6,000)
Goodwill	14,600
Tax deductible amount of Goodwill	$ 11,200

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Business Combinations Brainjocks (Details) - USD ($) $ in Thousands		3 Months Ended
	Mar. 23, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Adjustment to fair value of contingent consideration		$ 514	$ (335)
Goodwill		421,927		$ 427,928
Brainjocks
Business Acquisition [Line Items]
Date of acquisition	Mar. 23, 2020
Total purchase price	$ 21,200
Cash paid for acquisition	15,800
Common stock issued	2,400
Net working capital settlement	700
Initial fair value estimate of additional earnings-based contingent consideration	2,300
Contingent consideration, maximum cash payout	4,800
Fair value of contingent consideration		3,900
Adjustment to fair value of contingent consideration		$ 300
Transaction costs	1,100
Acquired tangible assets	7,000
Identified intangible assets	8,400
Liabilities assumed	(4,900)
Goodwill	10,700
Tax deductible amount of Goodwill	$ 8,700

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Business Combinations PSL (Details) - USD ($) $ in Thousands		9 Months Ended
	Jun. 17, 2020	Mar. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 421,927	$ 427,928
Increase to acquired tangible assets		400
Decrease to identified intangible assets		(400)
Increase to liabilities assumed		(1,800)
Increase to goodwill		2,900
PSL
Business Acquisition [Line Items]
Date of acquisition	Jun. 17, 2020
Total purchase price	$ 83,100
Cash paid for acquisition	60,800
Common stock issued	4,500
Net working capital settlement	100
Initial fair value estimate of additional earnings-based contingent consideration	17,700
Contingent consideration, maximum cash payout	22,200
Fair value of contingent consideration		21,600
Transaction costs	2,100
Acquired tangible assets	11,500
Identified intangible assets	29,600
Liabilities assumed	(17,800)
Goodwill	$ 59,800
Increase to the total purchase price		$ 1,100

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Business Combinations Intangible Assets Acquired (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Finite-Lived Intangible Assets, Gross [Abstract]
Aggregate Acquisitions	$ 44.7
Customer relationships
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted average useful life (in years)	6 years
Aggregate Acquisitions	$ 33.0
Customer relationships | Minimum
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated useful life (in years)	5 years
Customer relationships | Maximum
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated useful life (in years)	7 years
Customer backlog
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted average useful life (in years)	1 year
Estimated useful life (in years)	1 year
Aggregate Acquisitions	$ 9.6
Non-compete agreements
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted average useful life (in years)	5 years
Estimated useful life (in years)	5 years
Aggregate Acquisitions	$ 0.2
Trade name
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted average useful life (in years)	1 year
Estimated useful life (in years)	1 year
Aggregate Acquisitions	$ 0.4
Developed software
Finite-Lived Intangible Assets, Gross [Abstract]
Weighted average useful life (in years)	4 years
Aggregate Acquisitions	$ 1.5
Developed software | Minimum
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated useful life (in years)	3 years
Developed software | Maximum
Finite-Lived Intangible Assets, Gross [Abstract]
Estimated useful life (in years)	5 years

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Business Combinations Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Business Acquisition, Pro Forma Information [Abstract]
Revenues	$ 169,341	$ 154,407
Net income	$ 15,167	$ 9,718
Basic income per share (USD per share)	$ 0.47	$ 0.31
Diluted income per share (USD per share)	$ 0.46	$ 0.29
Shares used in computing basic net income per share (in shares)	32,011	31,785
Shares used in computing diluted net income per share (in shares)	33,015	33,047

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Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2020	$ 427,928
Purchase price allocation for acquisitions	(1,563)
Effect of foreign currency translation adjustments	(4,438)
Balance at March 31, 2021	$ 421,927

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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	$ 120,762	$ 123,740
Accumulated Amortization	(65,394)	(60,169)
Net Carrying Amounts	55,368	63,571
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	96,079	97,497
Accumulated Amortization	(47,829)	(44,185)
Net Carrying Amounts	48,250	53,312
Non-compete agreements
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	1,467	1,479
Accumulated Amortization	(904)	(831)
Net Carrying Amounts	563	648
Customer backlog
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	8,643	10,353
Accumulated Amortization	(6,818)	(5,941)
Net Carrying Amounts	1,825	4,412
Trade name
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	317	449
Accumulated Amortization	(250)	(281)
Net Carrying Amounts	67	168
Developed software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amounts	14,256	13,962
Accumulated Amortization	(9,593)	(8,931)
Net Carrying Amounts	$ 4,663	$ 5,031

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Goodwill and Intangible Assets - Estimated Useful Lives (Details)	3 Months Ended
	Mar. 31, 2021
Customer relationships | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	5 years
Customer relationships | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	10 years
Non-compete agreements | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	4 years
Non-compete agreements | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	5 years
Customer backlog
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Trade name
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Developed software | Minimum
Intangible Assets [Abstract]
Estimated useful lives (in years)	1 year
Developed software | Maximum
Intangible Assets [Abstract]
Estimated useful lives (in years)	7 years

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Goodwill and Intangible Assets - Estimated Amortization Expense (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Estimated Amortization Expense [Abstract]
2021 remaining	$ 14,412
2022	15,543
2023	10,790
2024	7,728
2025	4,522
Thereafter	$ 2,373

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Long-term Debt - Revolving Credit Facility (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Line of Credit [Abstract]
Leverage Ratio	3.00
Long-term debt, net	$ 186,135,000	$ 183,624,000
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	$ 125,000,000.0
Additional commitment increase	$ 75,000,000.0
Maturity date	Jun. 09, 2022
Allowable amount of letters of credit for issuance	$ 10,000,000.0
Letters of credit outstanding	200,000
Available borrowing capacity	$ 124,800,000
EBITDA Ratio	3.00
Leverage Ratio needed for payment of dividends	2.00
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	3.25%
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	0.11%

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Long-term Debt - Convertible Senior Notes (Additional Notes) (Details) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended		12 Months Ended
	Aug. 14, 2020 USD ($) $ / shares	Sep. 11, 2018 USD ($) $ / shares	Dec. 31, 2020 USD ($)	Aug. 31, 2020 USD ($)	Mar. 31, 2021 USD ($) day $ / shares Rate	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Share price at closing (in dollars per share) | $ / shares					$ 58.72
2023 Notes | Warrants related to the issuance of convertible senior notes
Debt Instrument [Line Items]
Initial conversion price (in dollars per share) | $ / shares		$ 46.62
Warrant exercise price (in dollars per share) | $ / shares					46.62
2025 Notes | Warrants related to the issuance of convertible senior notes
Debt Instrument [Line Items]
Warrant exercise price (in dollars per share) | $ / shares					$ 81.05
Convertible debt | Conversion Circumstance One
Debt Instrument [Line Items]
Conversion rate of the notes on trading day (as percent)					130.00%
Threshold trading days (whether or not consecutive) | day					20
Consecutive trading day period (in days) | day					30
Convertible debt | Conversion Circumstance Two
Debt Instrument [Line Items]
Conversion rate of the notes on trading day (as percent) | Rate					98.00%
Threshold trading days (whether or not consecutive) | day					5
Consecutive trading day period (in days) | day					10
Convertible debt | 2023 Notes
Debt Instrument [Line Items]
Aggregated principal amount		$ 143,800
Interest rate stated, percentage		2.375%
Initial purchasers' discount and issuance costs		$ 4,400	$ (2,400)			$ (2,400)	$ (2,400)
Proceeds from debt, net of issuance costs		$ 139,400
Payments for repurchase of 2023 convertible notes			9,700	$ 172,000
Shares conversion rate		26.5957
Initial conversion price (in dollars per share) | $ / shares		$ 37.60
Maturity date					Sep. 15, 2023
Principal			5,090		$ 5,090	5,090	5,090
Payment of interest						1,300
Loss on extinguishment of debt							4,500
Convertible debt | 2025 Notes
Debt Instrument [Line Items]
Aggregated principal amount	$ 230,000
Interest rate stated, percentage	1.25%
Initial purchasers' discount and issuance costs	$ 7,300
Proceeds from debt, net of issuance costs	222,700
Payments for repurchase of 2023 convertible notes	172,000
Cost of entering into hedges, net of warrants	26,700
Payments for working capital or other general corporate purposes	$ 24,000
Shares conversion rate	19.3538
Initial conversion price (in dollars per share) | $ / shares	$ 51.67
Maturity date					Aug. 01, 2025
Principal			$ 230,000		$ 230,000	230,000	$ 230,000
Convertible debt, liability component | 2023 Notes
Debt Instrument [Line Items]
Payments for repurchase of 2023 convertible notes						127,700
Convertible debt, equity component | 2023 Notes
Debt Instrument [Line Items]
Payments for repurchase of 2023 convertible notes						$ 52,700

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Long-term Debt - Liability and Equity Component of Note (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Liability component:
Net carrying amount	$ 186,135	$ 183,624
Convertible debt | 2023 Notes
Liability component:
Principal	5,090	5,090
Less: Unamortized debt discount	(389)	(426)
Unamortized debt issuance costs	(72)	(79)
Net carrying amount	4,629	4,585
Convertible debt | 2025 Notes
Liability component:
Principal	230,000	230,000
Less: Unamortized debt discount	(43,511)	(45,690)
Unamortized debt issuance costs	(4,983)	(5,271)
Net carrying amount	$ 181,506	$ 179,039

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Long-term Debt - Interest Expense on Note (Details) - Senior notes - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
2025 Notes
Debt Instrument [Line Items]
Coupon interest	$ 719	$ 0
Amortization of debt discount	2,179	0
Amortization of debt issuance costs	287	0
Total interest expense recognized	3,185	0
2023 Notes
Debt Instrument [Line Items]
Coupon interest	30	854
Amortization of debt discount	37	977
Amortization of debt issuance costs	7	206
Total interest expense recognized	$ 74	$ 2,037

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Long-term Debt - Convertible Note Hedges and Warrants (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended		3 Months Ended
	Aug. 14, 2020	Sep. 11, 2018	Dec. 31, 2020	Aug. 31, 2020	Mar. 31, 2021
Debt Instrument [Line Items]
Expiration period for Notes Warrants in trading days					100 days
Convertible note hedges | 2025 Notes
Debt Instrument [Line Items]
Conversion option to acquire shares (in shares)	4,500,000
Strike price (in dollars per share)	$ 51.67
Convertible note hedges | 2023 Notes
Debt Instrument [Line Items]
Conversion option to acquire shares (in shares)		100,000
Strike price (in dollars per share)		$ 37.60
Sale of hedges (in shares)			3,700,000	3,700,000
Proceeds from sale of of hedges related to 2023 convertible notes				$ 50.1
Warrant | 2025 Notes
Debt Instrument [Line Items]
Warrant exercise price (in dollars per share)					$ 81.05
Warrant | 2023 Notes
Debt Instrument [Line Items]
Warrant exercise price (in dollars per share)					$ 46.62
Warrant | Convertible debt | 2023 Notes
Debt Instrument [Line Items]
Repurchase of warrants related to 2023 convertible notes				$ 43.0

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Tax Credit [Line Items]
Unrecognized tax benefits	$ 7,400
Unrecognized tax benefits, interest on income taxes accrued	$ 1,000
Effective tax rate	19.00%	14.60%
Deferred income taxes	$ 19,310		$ 20,911
Unremitted earnings of foreign subsidiaries	15,600
Unrecognized deferred tax liability on unremitted earnings of foreign subsidiaries	900
Internal Revenue Service (IRS) | Tax years 2011 through 2015 | Domestic tax authority
Tax Credit [Line Items]
Disallowed research tax credits being litigated	5,700
Internal Revenue Service (IRS) | Tax years 2011 through March 2021 | Domestic tax authority
Tax Credit [Line Items]
Research tax credits	$ 20,700

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Derivatives - Notional Amounts (Details) - Total derivatives not designated as hedges - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Notional Disclosures [Abstract]
Derivative notional amounts	$ 17,314	$ 16,008
Foreign exchange contracts
Notional Disclosures [Abstract]
Derivative notional amounts	$ 17,314	$ 16,008

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Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
COLI asset	$ 7.7	$ 7.4
Level 2 | 2023 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note, debt instrument	8.6	7.1
Level 2 | 2025 Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note, debt instrument	297.3	263.4
Money market funds | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 57.1	$ 66.0

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Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 3.3	$ 2.8
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms (in years)	8 years

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Leases - Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Other current liabilities	$ 10,134	$ 10,321
Operating lease liabilities	27,937	29,098
Total	$ 38,071	$ 39,419

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Leases - Future Minimum Lease Payments under ASC Topic 842 (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
2021 remaining	$ 6,564
2022	10,047
2023	8,050
2024	6,211
2025	4,651
Thereafter	5,907
Total future lease payments	41,430
Less implied interest	(3,359)
Total	$ 38,071	$ 39,419