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Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Dec. 31, 2015	Feb. 10, 2016	Jun. 30, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	EPAM Systems, Inc.
Entity Central Index Key	0001352010
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		50,370,482
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Document Period End Date	Dec. 31, 2015
Document Type	10-K
Amendment Flag	false
Entity Public Float			$ 3,332

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 199,449	$ 220,534
Time deposits	30,181	0
Accounts receivable, net of allowance of $1,729 and $2,181, respectively	174,617	124,483
Unbilled revenues	95,808	55,851
Prepaid and other current assets	14,344	9,289
Employee loans, net of allowance of $0 and $0, respectively, current	2,689	2,434
Deferred tax assets, current	11,847	2,496
Total current assets	528,935	415,087
Property and equipment, net	60,499	55,134
Restricted cash, long-term	238	156
Employee loans, net of allowance of $0 and $0, respectively, long-term	3,649	4,081
Intangible assets, net	46,860	47,689
Goodwill	115,930	57,417
Deferred tax assets, long-term	18,312	11,094
Other long-term assets	4,113	3,368
Total assets	778,536	594,026
Current liabilities
Accounts payable	2,576	4,641
Accrued expenses and other liabilities	60,384	32,203
Deferred revenue, current	3,047	3,220
Due to employees	32,067	24,518
Taxes payable	29,472	24,704
Contingent consideration, current (Note 2 and 16)	0	35,524
Deferred tax liabilities, current	365	603
Total current liabilities	127,911	125,413
Long-term debt	35,000	0
Deferred tax liabilities, long-term	2,402	4,563
Total liabilities	165,313	129,976
Commitments and contingencies (Note 15)
Stockholders’ equity
Common stock, $0.001 par value; 160,000,000 authorized; 50,177,044 and 48,748,298 shares issued, 50,166,537 and 48,303,811 shares outstanding at December 31, 2015 and December 31, 2014, respectively	49	48
Additional paid-in capital	303,363	229,501
Retained earnings	345,054	260,598
Treasury stock	(93)	(4,043)
Accumulated other comprehensive loss	(35,150)	(22,054)
Total stockholders’ equity	613,223	464,050
Total liabilities and stockholders’ equity	$ 778,536	$ 594,026

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Accounts receivable allowance	$ 1,729	$ 2,181
Employee loans current allowance	0	0
Noncurrent assets
Employee loans long-term allowance	$ 0	$ 0
Stockholders' equity
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	160,000,000	160,000,000
Common stock, shares issued	50,177,044	48,748,298
Common stock, shares outstanding	50,166,537	48,303,811

CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($)
shares in Thousands, $ in Thousands

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Income Statement [Abstract]

Revenues

$ 914,128

$ 730,027

$ 555,117

Operating expenses:

Cost of revenues (exclusive of depreciation and amortization)

566,913

456,530

347,650

Selling, general and administrative expenses

222,759

163,666

116,497

Depreciation and amortization expense

17,395

17,483

15,120

Goodwill impairment loss

2,241

Other operating expenses/(income), net

1,094

3,924

(643)

Income from operations

105,967

86,183

76,493

Interest and other income, net

4,731

4,769

3,077

Change in fair value of contingent consideration

(1,924)

Foreign exchange loss

(4,628)

(2,075)

(2,800)

Income before provision for income taxes

106,070

86,953

76,770

Provision for income taxes

21,614

17,312

14,776

Net income

84,456

69,641

61,994

Foreign currency translation adjustments

(13,096)

(20,251)

(811)

Comprehensive income

$ 71,360

$ 49,390

$ 61,183

Net income per share:

Basic (in dollars per share)

$ 1.73

^[1]

$ 1.48

^[2]

$ 1.35

Diluted (in dollars per share)

$ 1.62

^[1]

$ 1.40

^[2]

$ 1.28

Shares used in calculation of net income per share:

Basic (in shares)

48,721

47,189

45,754

Diluted (in shares)

51,986

49,734

48,358

[1]	(1)Earnings per share amounts for each quarter may not necessarily total to the yearly earnings per share due to the weighting of shares outstanding on a quarterly and year to date basis.
[2]	(1)Earnings per share amounts for each quarter may not necessarily total to the yearly earnings per share due to the weighting of shares outstanding on a quarterly and year to date basis.

CONSOLIDATED STATEMENTS OF CHANGES IN REDEEMABLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Jointech	Great Fridays	Common Stock	Common Stock Empathy Lab, LLC	Common Stock Netsoft	Common Stock Jointech	Common Stock GGA	Common Stock Great Fridays	Additional Paid-in Capital	Additional Paid-in Capital Empathy Lab, LLC	Additional Paid-in Capital Netsoft	Additional Paid-in Capital Jointech	Additional Paid-in Capital GGA	Additional Paid-in Capital Great Fridays	Retained Earnings	Treasury Stock	Treasury Stock Empathy Lab, LLC	Treasury Stock Netsoft	Treasury Stock Jointech	Treasury Stock GGA	Treasury Stock Great Fridays	Accumulated Other Comprehensive Income
Balance, beginning of period (in shares) at Dec. 31, 2012				44,442,494
Balance, beginning of period at Dec. 31, 2012	$ 286,280			$ 44						$ 166,962						$ 128,992	$ (8,697)						$ (1,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)				14,041
Stock issued in connection with acquisition (in shares)					1,483
Stock issued in connection with acquisition											$ (13)							$ 13
Stock-based compensation expense	$ 13,150									13,150
Proceeds from stock options exercises (in shares)	2,156,898			2,156,898
Proceeds from stock options exercises	$ 9,287			$ 2						9,285
Excess tax benefits	6,201									6,201
Currency translation adjustment	(811)																						(811)
Net income	61,994															61,994
Balance, end of period (in shares) at Dec. 31, 2013				46,614,916
Balance, end of period at Dec. 31, 2013	376,101			$ 46						195,585						190,986	(8,684)						(1,832)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)				7,738
Awards forfeited/cancelled					(24,474)
Forfeiture of stock issued in connection with acquisition											$ (223)							$ 223
Stock issued in connection with acquisition (in shares)						2,289	179,104	262,277	90,864
Stock issued in connection with acquisition		$ 2,788										$ (21)	$ 1,158	$ (2,386)	$ (827)				$ 21	$ 1,630	$ 2,386	$ 827
Stock-based compensation expense	$ 21,397									21,397
Proceeds from stock options exercises (in shares)	1,171,097			1,171,097
Proceeds from stock options exercises	$ 10,598			$ 2						10,596
Excess tax benefits	3,776									3,776
Prior periods retained earning adjustment																(29)							29
Currency translation adjustment	(20,251)																						(20,251)
Net income	69,641															69,641
Balance, end of period (in shares) at Dec. 31, 2014				48,303,811
Balance, end of period at Dec. 31, 2014	464,050			$ 48						229,501						260,598	(4,043)						(22,054)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (in shares)				5,295
Awards forfeited/cancelled						(1,482)
Forfeiture of stock issued in connection with acquisition												13							13
Issuance of restricted stock (in shares)				17,625
Restricted stock units vested	574									574
Stock issued in connection with acquisition (in shares)						25,503	166,114	233,753	10,092
Stock issued in connection with acquisition		$ 5,000	$ 81									$ (232)	$ 3,488	$ (2,127)	$ (11)				$ 232	$ 1,512	$ 2,127	$ 92
Stock-based compensation expense	$ 43,120									43,120
Proceeds from stock options exercises (in shares)	1,405,826			1,405,826
Proceeds from stock options exercises	$ 20,675			$ 1						20,674
Excess tax benefits	8,363									8,363
Currency translation adjustment	(13,096)																						(13,096)
Net income	84,456															84,456
Balance, end of period (in shares) at Dec. 31, 2015				50,166,537
Balance, end of period at Dec. 31, 2015	$ 613,223			$ 49						$ 303,363						$ 345,054	$ (93)						$ (35,150)

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 84,456,000	$ 69,641,000	$ 61,994,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	17,395,000	17,483,000	15,120,000
Bad debt expense	1,407,000	817,000	335,000
Deferred taxes	(15,328,000)	(3,270,000)	41,000
Stock-based compensation expense	45,833,000	24,620,000	13,150,000
Impairment charges and acquisition related adjustments	(1,183,000)	7,907,000	0
Excess tax benefit on stock-based compensation plans	(8,363,000)	(3,776,000)	(6,201,000)
Other	3,883,000	735,000	1,199,000
(Increase)/ decrease in operating assets:
Accounts receivable	(47,694,000)	(30,410,000)	(17,302,000)
Unbilled revenues	(38,076,000)	(11,134,000)	(9,833,000)
Prepaid expenses and other assets	(574,000)	565,000	587,000
Increase/ (decrease) in operating liabilities:
Accounts payable	(2,781,000)	(2,603,000)	(2,900,000)
Accrued expenses and other liabilities	26,563,000	11,492,000	501,000
Deferred revenues	(869,000)	(1,514,000)	(2,325,000)
Due to employees	2,752,000	7,453,000	785,000
Taxes payable	8,972,000	16,868,000	3,074,000
Net cash provided by operating activities	76,393,000	104,874,000	58,225,000
Cash flows from investing activities:
Purchases of property and equipment	(13,272,000)	(11,916,000)	(13,360,000)
Payment for construction of corporate facilities	(4,692,000)	(3,924,000)	(2,560,000)
Employee housing loans	(2,054,000)	(1,740,000)	(7,982,000)
Proceeds from repayments of employee housing loans	2,249,000	1,793,000	2,189,000
Increase in restricted cash and time deposits, net	(29,944,000)	1,430,000	429,000
Increase in other long-term assets, net	(708,000)	(1,479,000)	(516,000)
Payments for foreign currency derivatives	(165,000)	0	0
Acquisition of businesses, net of cash acquired (Note 2)	(76,908,000)	(37,093,000)	(20,000)
Net cash used in investing activities	(125,494,000)	(52,929,000)	(21,820,000)
Cash flows from financing activities:
Proceeds related to stock options exercises	20,675,000	10,571,000	9,300,000
Excess tax benefit on stock-based compensation plans	8,363,000	3,776,000	6,201,000
Proceeds from borrowing under line of credit (Note 12)	35,000,000	0	0
Acquisition of business, deferred consideration (Note 2)	(30,274,000)	(4,000,000)	0
Net cash provided by financing activities	33,764,000	10,347,000	15,501,000
Effect of exchange rate changes on cash and cash equivalents	(5,748,000)	(10,965,000)	(811,000)
Net increase/ (decrease) in cash and cash equivalents	(21,085,000)	51,327,000	51,095,000
Cash and cash equivalents, beginning of period	220,534,000	169,207,000	118,112,000
Cash and cash equivalents, end of period	199,449,000	220,534,000	169,207,000
Supplemental disclosures of cash paid:
Income taxes	25,071,000	11,756,000	10,207,000
Bank interest	124,000	7,000	26,000
Goodwill impairment loss	0	2,241,000	0
Change in fair value of contingent consideration	0	1,924,000	0
Building construction, write off	3,742,000
Deferred consideration payable	603,000	1,022,000	0
Contingent consideration payable	$ 0	$ 36,322,000	$ 0

NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

EPAM is a global provider of software product engineering, technology consulting and digital expertise to clients located around the world, primarily in North America, Europe, Asia and the CIS region. The Company has expertise in various industries, including software and hi-tech, financial services, media and entertainment, travel and hospitality, retail and distribution and life sciences and healthcare.

The Company is incorporated in Delaware with headquarters in Newtown, PA. The Company EPAM serves clients worldwide utilizing an award-winning global delivery platform and its locations in over 20 countries across North America, Europe, Asia and Australia.

Principles of Consolidation — The consolidated financial statements include the financial statements of EPAM Systems, Inc. and its subsidiaries. All intercompany balances and transactions have been eliminated.

Use of Estimates — The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions. These estimates and assumptions affect reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as revenues and expenses during the reporting period. The Company bases its estimates and judgments on historical experience, knowledge of current conditions and its beliefs of what could occur in the future, given available information. Actual results could differ from those estimates, and such differences may be material to the financial statements.

Revenue Recognition — The Company recognizes revenue when the following criteria are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred; (3) the sales price is fixed or determinable; and (4) collectability is reasonably assured. Determining whether and when some of these criteria have been satisfied often involves assumptions and judgments that can have a significant impact on the timing and amount of revenue reported.

The Company derives its revenues from a variety of service offerings, which represent specific competencies of its IT professionals. Contracts for these services have different terms and conditions based on the scope, deliverables, and complexity of the engagement, which require management to make judgments and estimates in determining appropriate revenue recognition pattern. Fees for these contracts may be in the form of time-and-materials or fixed-price arrangements. If there is an uncertainty about the project completion or receipt of payment for the consulting services, revenue is deferred until the uncertainty is sufficiently resolved. At the time revenue is recognized, the Company provides for any contractual deductions and reduces the revenue accordingly. The Company reports gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the consolidated statements of income and comprehensive income.

The Company defers amounts billed to its clients for revenues not yet earned. Such amounts are anticipated to be recorded as revenues when services are performed in subsequent periods. Unbilled revenue is recorded when services have been provided but billed subsequent to the period end in accordance with the contract terms.

The Company reports gross reimbursable “out-of-pocket” expenses incurred as both revenues and cost of revenues in the consolidated statements of income and comprehensive income.

The majority of the Company’s revenues (85.8% of revenues in 2015, 84.7% in 2014 and 82.3% in 2013) is generated under time-and-material contracts where revenues are recognized as services are performed with the corresponding cost of providing those services reflected as cost of revenues. The majority of such revenues are billed on an hourly, daily or monthly basis as actual time is charged directly to the client.

Revenues from fixed-price contracts (12.8% of revenues in 2015, 13.6% in 2014 and 15.7% in 2013) are determined using the proportional performance method. In instances where final acceptance of the product, system, or solution is specified by the client, revenues are deferred until all acceptance criteria have been met. In absence of a sufficient basis to measure progress towards completion, revenue is recognized upon receipt of final acceptance from the client. In order to estimate the amount of revenue for the period under the proportional performance method, the Company determines the percentage of actual labor hours incurred as compared to estimated total labor hours and applies that percentage to the consideration allocated to the deliverable. The complexity of the estimation process and factors relating to the assumptions, risks and uncertainties inherent with the application of the proportional performance method of accounting affects the amounts of revenues and related expenses reported in the Company’s consolidated financial statements. A number of internal and external factors can affect such estimates, including labor hours and specification and testing requirement changes. The cumulative impact of any revision in estimates is reflected in the financial reporting period in which the change in estimate becomes known. No significant revisions occurred in each of the three years ended December 31, 2015, 2014 and 2013. The Company’s fixed price contracts are generally recognized over a period of 12 months or less.

Cost of Revenues (Exclusive of Depreciation and Amortization) — Consists principally of salaries and bonuses of the revenue producing personnel, as well as employee benefits, stock compensation expense and non-reimbursable travel costs for these professionals.

Selling, General and Administrative Expenses — Consist mainly of compensation, benefits and travel expenses of the officers, management, sales, marketing and administrative personnel. Other operation expenses include advertising, promotional activities, legal and audit expenses, recruitment and development efforts, insurance, and operating lease expenses. In addition, the Company has issued stock to the sellers and/or personnel in connection with business acquisitions and has been recognizing stock-based compensation expense in the periods after the closing of these acquisitions as part of the selling, general and administrative expenses. Stock option expenses related to acquisitions comprised a significant portion of total selling, general and administrative stock-based compensation expense in 2014 and 2015.

Fair Value of Financial Instruments — The Company makes assumptions about fair values of its financial assets and liabilities in accordance with the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 820, “Fair Value Measurement,” and utilizes the following fair value hierarchy in determining inputs used for valuation:

Level 1 — Quoted prices for identical assets or liabilities in active markets.

Level 2 — Inputs other than quoted prices within Level 1 that are observable either directly or indirectly, including quoted prices in markets that are not active, quoted prices in active markets for similar assets or liabilities, and observable inputs other than quoted prices such as interest rates or yield curves.

Level 3 — Unobservable inputs reflecting management’s view about the assumptions that market participants would use in pricing the asset or liability.

Where the fair values of financial assets and liabilities recorded in the consolidated balance sheets cannot be derived from an active market, they are determined using a variety of valuation techniques. These valuation techniques include a net present value technique, comparison to similar instruments with market observable inputs, options pricing models and other relevant valuation models. To the extent possible, observable market data is used as inputs into these models but when it is not feasible, a degree of judgment is required to establish fair values.

Financial Assets and Liabilities Measured At Fair Value on a Recurring Basis

The Company’s contingent liabilities measured at fair value on a recurring basis are comprised of performance-based awards issued to certain former owners of the acquired businesses in exchange for future services. Contingent liabilities are valued using significant inputs that are not observable in the market, which are defined as Level 3 inputs according to fair value measurement accounting. The Company estimates the fair value of contingent liabilities based on certain performance milestones of the acquired businesses and estimated probabilities of achievement, then discounts the liabilities to present value using the Company’s cost of debt for the cash component of contingent consideration, and risk free rate for the stock component of a contractual contingency. The Company believes its estimates and assumptions are reasonable, however, there is significant judgment involved. Changes in the fair value of contingent consideration liabilities primarily result from changes in the timing and amount of specific milestone estimates and changes in probability assumptions with respect to the likelihood of achieving the various earnout criteria. These changes could cause a material impact to, and volatility in the Company’s operating results. See Note 16 for contingent liabilities activity.

Employee Loans — The Company issues employee housing loans in Belarus and relocation loans to assist employees with relocation needs in connection with intra-company transfers. There are no loans issued to principal officers, directors, and their affiliates. Although permitted by authoritative guidance, we did not elect a fair value option for these financial instruments. These housing loans were measured at fair value upon initial recognition and subsequently carried at amortized cost less allowance for loan losses. Any difference between the carrying value and the fair value of a loan upon initial recognition is charged to expense. The Company intends to hold all employee loans until their maturity. Interest income is reported using the effective interest method. Where applicable, loan origination fees, net of direct origination costs, are deferred and recognized in interest income over the life of the loan.

Employee Housing Loans — The housing loans are measured using the Level 3 inputs within the fair value hierarchy because they are valued using significant unobservable inputs. These housing loans are measured at fair value upon initial recognition through the market approach under ASC Topic 820, “Fair Value Measurement” and subsequently carried at amortized cost less allowance for loan losses. Any difference between the carrying value and the fair value of a loan upon initial recognition is charged to expense.

Employee Loans, Other — The Company issues short-term, non-interest bearing relocation loans to employees that relocated within the company. Due to the short term of these loans and high certainty of repayment, their carrying amount is a reasonable estimate of their fair value.

Business Combinations — The Company accounts for its business combinations using the acquisition accounting method, which requires it to determine the fair value of net assets acquired and the related goodwill and other intangible assets in accordance with the FASB ASC Topic 805, “Business Combinations.” The Company identifies and attributes fair values and estimated lives to the intangible assets acquired and allocates the total cost of an acquisition to the underlying net assets based on their respective estimated fair values. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and involves the use of significant estimates, including projections of future cash inflows and outflows, discount rates, asset lives and market multiples. There are different valuation models for each component, the selection of which requires considerable judgment. These determinations will affect the amount of amortization expense recognized in future periods. The Company bases its fair value estimates on assumptions it believes are reasonable, but recognizes that the assumptions are inherently uncertain.

If initial accounting for the business combination has not been completed by the end of the reporting period in which the business combination occurs, provisional amounts are reported for which the accounting is incomplete, with retrospective adjustment made to such provisional amounts during the measurement period to present new information about facts and circumstances that existed as of the acquisition date.

All acquisition-related costs, other than the costs to issue debt or equity securities, are accounted for as expenses in the period in which they are incurred. Changes in fair value of contingent consideration arrangements that are not measurement period adjustments are recognized in earnings. Payments to settle contingent consideration, if any, are reflected in cash flows from financing activities and the changes in fair value are reflected in cash flows from operating activities in the Company’s consolidated statements of cash flows.

The acquired assets typically consist of customer relationships, trade names, non-competition agreements, and workforce and as a result, a substantial portion of the purchase price is allocated to goodwill and other intangible assets.

Cash and Cash Equivalents — Cash equivalents are short-term, highly liquid investments that are readily convertible into cash, with maturities of three months or less at the date acquired. As of December 31, 2015 and 2014 the Company had no cash equivalents.

Restricted Cash — Restricted cash represents cash that is restricted by agreements with third parties for special purposes and includes time deposits. See Note 6 for items that constitute restricted cash.

Accounts Receivable — Accounts receivable are stated net of an allowance for doubtful accounts. Outstanding accounts receivable are reviewed periodically and allowances are provided at such time the management believes it is probable that such balances will not be collected within a reasonable time. The allowance for doubtful accounts is determined by evaluating the relative creditworthiness of each client, historical collections experience and other information, including the aging of the receivables. Accounts receivable are generally written off when they are deemed uncollectible. Bad debts are recorded based on historical experience and management’s evaluation of accounts receivable.

The table below summarizes movements in qualifying accounts for the years ended December 31, 2015, 2014 and 2013:



	Balance at Beginning of Period		Charged to Costs and Expenses		Deductions/ Other			Balance at End of Year
Allowance for Doubtful Accounts (Billed and Unbilled):
Fiscal Year 2013	$	2,203	$	619	$	(1,022	)	$	1,800
Fiscal Year 2014	1,800		1,325		(944		)	2,181
Fiscal Year 2015	2,181		1,704		(2,156		)	1,729

Property and Equipment — Property and equipment acquired in the ordinary course of the Company’s operations are stated at cost, net of accumulated depreciation. Depreciation is calculated on the straight-line basis over the estimated useful lives of the assets generally ranging from three to fifty years. Leasehold improvements are amortized on a straight-line basis over the shorter of the term of the lease or the estimated useful life of the improvement. Maintenance and repairs are expensed as incurred.

Goodwill and Other Intangible Assets — Goodwill and intangible assets that have indefinite useful lives are treated consistently with FASB ASC 350, “Intangibles - Goodwill and Other.” The Company does not have any intangible assets with indefinite useful lives.

The Company assesses goodwill for impairment annually, and more frequently in certain circumstances. The Company initially performs a qualitative assessment of goodwill to test for impairment indicators. After applying the qualitative assessment, if the entity concludes that it is not more likely than not that the fair value of goodwill is less than the carrying amount; the two-step goodwill impairment test is not required.

If the Company determines that it is more likely than not that the carrying amount exceeds the fair value, the Company performs a quantitative impairment test. If an indicator of impairment is identified, the implied fair value of the reporting unit’s goodwill is compared to its carrying amount, and the impairment loss is measured by the excess of the carrying value over the fair value. The fair values are estimated using a combination of the income approach, which incorporates the use of the discounted cash flow method, and the market approach, which incorporates the use of earnings multiples based on market data. These valuations are considered Level 3 measurements under FASB ASC Topic 820. The Company utilizes estimates to determine the fair value of the reporting units such as future cash flows, growth rates, capital requirements, effective tax rates and projected margins, among other factors. Estimates utilized in the future evaluations of goodwill for impairment could differ from estimates used in the current period calculations.

Intangible assets that have finite useful lives are amortized over their estimated useful lives on a straight-line basis. When facts and circumstances indicate potential impairment of amortizable intangible assets, the Company evaluates the recoverability of the asset’s carrying value, using estimates of future cash flows that utilize a discount rate determined by the management to be commensurate with the risk inherent in the Company’s business model over the remaining asset life. The estimates of future cash flows attributable to intangible assets require significant judgment based on the Company’s historical and anticipated results. Any impairment loss is measured by the excess of carrying value over fair value.

Effective in the fourth quarter of 2013, the Company changed the annual goodwill impairment assessment date for all of its reporting units from December 31^st to October 31^st, which represented a voluntary change in the annual goodwill impairment testing date. See Note 3 for disclosure regarding goodwill and intangible assets.

Impairment of Long-Lived Assets — Long-lived assets, such as property and equipment, and finite lived intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable and exceeds the asset’s fair value. When the carrying value of an asset is more than the sum of the undiscounted cash flows that are expected to result from the asset’s use and eventual disposition, it is considered to be unrecoverable. Therefore, when an asset’s carrying value will not be recovered and it is more than its fair value the Company would deem the asset to be impaired. Property and equipment held for disposal are carried at the lower of the current carrying value or fair value less estimated costs to sell. The Company did not incur any impairment of long-lived assets for the years ended December 31, 2015, 2014 and 2013.

Income Taxes — The provision for income taxes includes federal, state, local and foreign taxes. Deferred tax assets and liabilities are recognized for the estimated future tax consequences of temporary differences between the financial statement carrying amounts and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the year in which the temporary differences are expected to be reversed. Changes to enacted tax rates would result in either increases or decreases in the provision for income taxes in the period of changes. The Company evaluates the realizability of deferred tax assets and recognizes a valuation allowance when it is more likely than not that all, or a portion of, deferred tax assets will not be realized.

The realization of deferred tax assets is primarily dependent on future earnings. Any reduction in estimated forecasted results may require that we record valuation allowances against deferred tax assets. Once a valuation allowance has been established, it will be maintained until there is sufficient positive evidence to conclude that it is more likely than not that the deferred tax assets will be realized. A pattern of sustained profitability will generally be considered as sufficient positive evidence to reverse a valuation allowance. If the allowance is reversed in a future period, the income tax provision will be correspondingly reduced. Accordingly, the increase and decrease of valuation allowances could have a significant negative or positive impact on future earnings. See Note 10 to the consolidated financial statements for further information.

Earnings per Share (“EPS”) — Basic earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of shares of common stock outstanding during the period increased to include the number of additional shares of common stock that would have been outstanding if the potentially dilutive securities had been issued. Potentially dilutive securities include outstanding stock options, unvested restricted stock and unvested RSUs. The dilutive effect of potentially dilutive securities is reflected in diluted earnings per share by application of the treasury stock method.

Stock-Based Compensation — The Company recognizes the cost of its share-based incentive awards based on the fair value of the award at the date of grant net of estimated forfeitures. The cost is expensed evenly over the service period. The service period is the period over which the employee performs the related services, which is normally the same as the vesting period. Over time, the forfeiture assumption is adjusted to the actual forfeiture rate and such change may affect the timing of the total amount of expense recognized over the vesting period. Equity-based awards that do not require future service are expensed immediately. Equity-based awards that do not meet the criteria for equity classification are recorded as liabilities and adjusted to fair value at the end of each reporting period.

Off-Balance Sheet Financial Instruments — The Company uses the FASB ASC Topic 825, “Financial Instruments.” to identify and disclose off-balance sheet financial instruments, which include credit instruments, such as commitments to make employee loans and related guarantees, standby letters of credit and certain guarantees issued under customer contracts. The face amount for these items represents the exposure to loss, before considering available collateral or the borrower’s ability to repay. Loss contingencies arising from off-balance sheet financial instruments are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. The Company does not believe such matters exists that will have a material effect on the financial statements.

Foreign Currency Translation — Assets and liabilities of consolidated foreign subsidiaries, whose functional currency is the local currency, are translated to U.S. dollars at period end exchange rates. Revenues and expenses are translated to U.S. dollars at daily exchange rates. The adjustment resulting from translating the financial statements of such foreign subsidiaries to U.S. dollars is reflected as a cumulative translation adjustment and reported as a component of accumulated other comprehensive income.

The Company reports the effect of exchange rate changes on cash balances held in foreign currencies as a separate item in the reconciliation of the changes in cash and cash equivalents during the period. Transaction gains and losses are included in the period in which they occur.

Risks and Uncertainties — As a result of its global operations, the Company may be subject to certain inherent risks.

Concentration of Credit — Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of employee loans receivable, cash and cash equivalents, trade accounts receivable and unbilled revenues. The Company maintains cash and cash equivalents and short-term investments with financial institutions. The Company determined that the Company’s credit policies reflect normal industry terms and business risk and there is no expectation of non-performance by the counterparties. As of December 31, 2015, $103.7 million of total cash was held in CIS countries, with $79.5 million of that in Belarus. Banking and other financial systems in the CIS region are less developed and regulated than in some more developed markets, and bank deposits made by corporate entities in the CIS region are not insured.

Changes in the market behavior or decisions of the Company’s clients could adversely affect the Company’s results of operations. During the years ended December 31, 2015, 2014 and 2013, revenues from our top five customers were $298,063, $239,396 and $169,987, respectively, representing 32.6%, 32.8% and 30.6%, respectively, of total revenues in the corresponding periods. Revenues from our top ten customers were $400,250, $320,126 and $234,955 in 2015, 2014 and 2013, respectively, representing 43.8%, 43.9% and 42.3%, respectively, of total revenues in corresponding periods.

Foreign currency risk — The Company generates revenues in various global markets based on client contracts obtained in non-U.S. dollar, principally, euros, British pounds sterling, Canadian dollars, and Russian rubles. We incur expenditures in non-U.S. dollar currencies, principally in Hungarian forints, euros, Russian rubles, Polish zlotys, Mexican pesos, Hong Kong dollars and China yuan renminbi (“CNY”) associated with our delivery centers located in the CEE, Europe, Mexico and APAC regions. The Company is exposed to fluctuations in foreign currency exchange rates primarily on accounts receivable and unbilled revenues from sales in these foreign currencies, and cash flows for expenditures in foreign currencies.

Interest rate risk — The Company’s exposure to market risk is influenced primarily by changes in interest rates on interest payments received on cash and cash equivalent deposits and paid on any outstanding balance on the Company’s revolving line of credit, which is subject to a variety of rates depending on the type and timing of funds borrowed (see Note 12). The Company does not use derivative financial instruments to hedge the risk of interest rate volatility.

Recent Accounting Pronouncements

In November 2015, the FASB issued Accounting Standards Update (“ASU”) 2015-17, Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes. The amendments in this update require that deferred tax liabilities and assets be classified as noncurrent in a classified statement of financial position to simplify disclosure. The current requirement that deferred tax liabilities and assets of a tax-paying component of an entity be offset and presented as a single amount is not affected by the amendments in this update. The amendment is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2016. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In September 2015, the FASB issued ASU 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. The amendments in this update require that an acquirer recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined. The update eliminates the current requirement to retrospectively adjust provisional amounts recognized at the acquisition date. The amendment is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In April 2015, the FASB issued ASU 2015-03, Interest-Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The update guides presentation of debt issuance costs and requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by this ASU. The amendment is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In November 2014, the FASB issued ASU 2014-17, Business Combinations (Topic 805): Pushdown Accounting. The update provides an acquired entity with an option to apply pushdown accounting in its separate financial statements upon occurrence of an event in which an acquirer obtains control of the acquired entity. An acquired entity may also elect the option to apply pushdown accounting in the reporting period in which the change-in-control event occurs. However, if the financial statements for the period in which the most recent change-in-control event occurred already have been issued or made available to be issued, the application of this guidance would be a change in accounting principle. The amendment is effective on November 18, 2014. The implementation of this standard did not have a material effect on the Company’s consolidated financial statements.

In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share Is More Akin to Debt or to Equity. The update aims to eliminate the use of different methods in practice and thereby reduce existing diversity under GAAP in the accounting for hybrid financial instruments issued in the form of a share. The amendments are effective for annual period and interim periods within those annual periods, beginning after December 15, 2015 with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements as the Company currently does not issue hybrid instruments.

In August 2014, the FASB issued ASU 2014-15, Presentation of Financial Statements-Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern. The amendments in this update provide guidance about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. These amendments aim to reduce diversity in the timing and content of footnote disclosures. The amendments in this update are effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter, with early adoption permitted. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, Compensation - Stock Compensation (Topic 718), which requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. A reporting entity should apply existing guidance in Topic 718, Compensation - Stock Compensation, as it relates to awards with performance conditions that affect vesting to account for such awards. The standard is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 with early adoption permitted. Entities may apply the amendments in this ASU either: (a) prospectively to all awards granted or modified after the effective date; or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. The implementation of this standard is not expected to have a material effect on the Company’s consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which impacts virtually all aspects of an entity’s revenue recognition. The ASU introduces a new five-step revenue recognition model in which an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This ASU also requires disclosures sufficient to enable users to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers, including qualitative and quantitative disclosures about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. This standard will be effective for the Company beginning in its first quarter of 2017. In July 2015, the FASB deferred the effective date until the annual reporting periods (including interim reporting periods within those periods) beginning after December 15, 2017. The Company is currently evaluating the impact this new standard will have on its consolidated financial statements.

In April 2014, the FASB issued ASU 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity, which changes the criteria for determining which disposals can be presented as discontinued operations and modifies the related disclosure requirements. To qualify as a discontinued operation the standard requires a disposal to represent a strategic shift that has, or will have, a major effect on an entity’s operations and financial results. The standard also expands the disclosures for discontinued operations and requires new disclosures related to individually material dispositions that do not qualify as discontinued operations. The standard is effective prospectively for fiscal periods beginning after December 15, 2014, including interim periods within that reporting period, with early adoption permitted. The implementation of this standard did not have a material impact on the Company’s consolidated financial statements.

ACQUISITIONS

12 Months Ended

Dec. 31, 2015

Business Combinations [Abstract]

ACQUISITIONS

Acquisitions completed during the year ended December 31, 2015 and December 31, 2014 allowed the Company to expand into desirable geographic locations, complement the existing vertical markets, increase revenue and create new offerings of services currently provided. The Company used the acquisition method of accounting to record these business combinations. Acquisitions were settled in cash and/or stock where a portion of the settlement price may have been deferred. For some transactions, purchase agreements contain contingent consideration in the form of an earnout obligation.

2015 Acquisition

NavigationArts — On July 10, 2015, the Company acquired all of the outstanding equity of NavigationArts, Inc. and its subsidiary, NavigationArts, LLC (collectively “NavigationArts”). The U.S.-based NavigationArts provides digital consulting, architecture and content solutions and is regarded as a leading user-experience agency. The acquisition of NavigationArts added approximately 90 design consultants to the Company’s headcount. In connection with the NavigationArts acquisition the Company paid $28,747 as cash consideration, of which $2,670 was placed in escrow for a period of 18 months as security for the indemnification obligations of the sellers under the terms of the stock purchase agreement.

AGS — On November 16, 2015, the Company acquired all of the outstanding equity of Alliance Consulting Global Holdings, Inc including its wholly-owned direct and indirect subsidiaries Alliance Global Services, Inc., Alliance Global Services, LLC, companies organized under the laws of USA, and Alliance Global Services IT India, a company organized under the laws of India (collectively, “AGS”). AGS provides software product development services and test automation solutions and has multiple locations in the United States and India. The acquisition of AGS added 1,151 IT professionals to the Company’s headcount in the United States and India. In connection with the AGS acquisition the Company paid $51,254 as cash consideration, of which $5,000 was placed in escrow for a period of 15 months as security for the indemnification obligations of the sellers under the terms of the stock purchase agreement. The Company also agreed to make a true-up payment in the amount of $603, that is recognized in the form of deferred consideration.

The following is a summary of the estimated fair values of the net assets acquired at the date of each respective acquisition during the year ended December 31, 2015 as originally reported in the quarterly condensed consolidated financial statements and at December 31, 2015:



	NavigationArts				AGS		Total
	As Originally Reported		At December 31, 2015		At December 31, 2015		As Originally Reported		At December 31, 2015
Cash and cash equivalents	$	1,317	$	1,317	$	1,727	$	3,044	$	3,044
Trade receivables and other current assets	3,920		3,920		10,600		14,520		14,520
Property and equipment and other long-term assets	230		230		1,665		1,895		1,895
Deferred tax asset	—		233		4,996		4,996		5,229
Acquired intangible assets	1,500		2,800		10,000		11,500		12,800
Goodwill	23,822		21,764		33,815		57,637		55,579
Total assets acquired	30,789		30,264		62,803		93,592		93,067
Accounts payable and accrued expenses	871		871		3,087		3,958		3,958
Deferred revenue	50		50		1,049		1,099		1,099
Due to employees	596		596		3,010		3,606		3,606
Deferred tax liability	525		—		3,800		4,325		3,800
Total liabilities assumed	2,042		1,517		10,946		12,988		12,463
Net assets acquired	$	28,747	$	28,747	$	51,857	$	80,604	$	80,604

The above estimated fair values of the assets acquired and liabilities assumed are provisional and based on the information that was available as of the acquisition date and updated for any changes as of December 31, 2015. During the three months ended on December 31, 2015 the Company received a preliminary independent valuation of intangible assets of NavigationArts that resulted in adjustments to goodwill, intangible assets and deferred tax asset and liability with no change to the net assets acquired.

The Company is gathering additional information necessary to finalize the estimated fair values of net assets acquired during 2015. The fair values reflected are subject to change and such changes could be significant. The Company expects to finalize the valuation and complete the purchase price allocation as soon as practicable but no later than one year from the respective acquisition dates.

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended December 31, 2015:



	NavigationArts			AGS
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	10	$	2,800	10	$	10,000
Total		$	2,800		$	10,000

2014 Acquisitions

The following table discloses details of purchase price consideration of each of the 2014 acquisitions:



Name of Acquisition	Effective Date of Acquisition	Common Shares		Fair Value of Common Shares				Cash, Net of Working Capital and Other Adjustments				Recorded Earnout Payable				Total Recorded Purchase Price		Maximum Potential Earnout Payable
Name of Acquisition	Effective Date of Acquisition	Issued	Deferred	Issued		Deferred		Paid		Deferred		Cash		Stock		Total Recorded Purchase Price		Maximum Potential Earnout Payable
		(in shares)		(in thousands)
Netsoft	March 5, 2014	—	—	$	—	$	—	$	2,403	$	1,022	$	1,825	$	—	$	5,250	$	1,825
Jointech	April 30, 2014	—	89,552	—		2,788		10,000		4,000		15,000		5,000		36,788		20,000
GGA	June 6, 2014	—	—	—		—		14,892		—		11,400		—		26,292
Great Fridays	October 31, 2014	—	—	—		—		10,777		—		1,173		—		11,950		1,173
		—	89,552	$	—	$	2,788	$	38,072	$	5,022	$	29,398	$	5,000	$	80,280

Common shares issued in connection with acquisitions, if applicable, are valued at closing market prices as of the effective date of the applicable acquisition. The maximum potential earnout payables disclosed in the foregoing table represent the maximum amount of additional consideration that could be paid pursuant to the terms of the purchase agreement for the applicable acquisition. The amounts recorded as earnout payables, which are based upon the estimated future operating results of the acquired businesses within a seven-to twelve-month period subsequent to the acquisition date, are measured at fair value as of the acquisition date and are included on that basis in the recorded purchase price consideration in the foregoing table. The Company records any subsequent changes in the fair value of the earnout obligations in its consolidated income from operations. Please see Note 16 for discussion around significant inputs and assumptions relating to the earnout obligations. All earnout obligations for these acquisitions have been settled.

Netsoft — On March 5, 2014, the Company completed an acquisition of substantially all of the assets and assumed certain specific liabilities of U.S.-based healthcare technology consulting firm Netsoft Holdings LLC and Armenia-based Ozsoft, LLC (collectively, “Netsoft”). As a result of this transaction, substantially all of the employees of Netsoft, including approximately 40 IT professionals, accepted employment with the Company. In connection with the Netsoft acquisition, the Company agreed to issue 2,289 restricted shares of Company common stock as consideration for future services to key management and employees of Netsoft (the “Netsoft Closing Shares”). The Company agreed to pay deferred consideration consisting partly of 9,154 restricted shares of Company common stock. During the three months ended March 31, 2015, the Company issued 16,349 restricted shares of Company common stock to Netsoft for achieving certain performance targets (collectively with the Netsoft Closing Shares, the “Netsoft Employment Shares”). The Netsoft Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. The first such installment vested during the first quarter of 2015. All unvested shares will be forfeited upon termination of services by the Company for cause or by the employee other than for good reason. The Netsoft Employment Shares had an estimated value of $1,017 at the time of grant and were recorded as stock-based compensation expense over an associated service period of three years (Note 13). Under the terms of this agreement, all of the Netsoft Closing Shares, as well as $256, were placed in escrow for a period of 18 months as security for the indemnification obligations of the sellers under the asset purchase agreement.

Jointech — On April 30, 2014, the Company acquired all of the outstanding equity of Joint Technology Development Limited, a company organized under the laws of Hong Kong, including its wholly-owned subsidiaries Jointech Software (Shenzhen) Co., Ltd., a company organized under the laws of China, and Jointech Software Pte. Ltd., a company organized under the laws of Singapore (collectively, “Jointech”). Jointech provides strategic technology services to multi-national organizations in investment banking, wealth and asset management. As a result of this transaction, substantially all employees of Jointech, including approximately 216 IT professionals, accepted employment with the Company. In connection with the Jointech acquisition, the Company issued 89,552 shares of the Company common stock to a former owner of Jointech as consideration for future services on or about the six-month anniversary from the date of acquisition (the “Jointech Closing Shares”). Furthermore, during the second quarter of 2015, the Company issued 83,057 restricted shares of Company common stock to Jointech for achieving certain performance targets (collectively with the Jointech Closing Shares, the “Jointech Employment Shares”). The Jointech Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. The first such installment vested during the second quarter of 2015.

All unvested Jointech Employment Shares will be forfeited upon termination of services for cause by the Company or other than for good reason (as applicable) by either of the two former owners of the acquired business. The aggregate fair value of the Jointech Employment Shares at the date of grant was $7,788 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 13).

Under the terms of the agreement, 15% of the total purchase price, in cash and stock, including the Jointech Employment Shares, was placed in an escrow account for a period of 18 months as security for the indemnification obligations of the sellers under the stock purchase agreement.

GGA — On June 6, 2014, the Company acquired substantially all of the assets and assumed certain specific liabilities of GGA Software Services, LLC, Institute of Theoretical Chemistry, Inc., and GGA’s Russian affiliate (collectively, “GGA”). Established in 1994, GGA develops scientific informatics applications and content databases; creates state-of-the-art algorithms and models; and delivers IT support, maintenance, and QA services to the world’s leading healthcare and life sciences companies. As a result of this transaction, substantially all employees of GGA, including approximately 329 IT professionals and 126 scientists, accepted employment with the Company. In connection with the GGA acquisition, the Company agreed to issue 262,277 shares of the Company common stock to the former owners of GGA as consideration for future services (the “GGA Closing Shares”). Furthermore, during the second quarter of 2015, the Company issued 233,753 restricted shares of Company common stock to the former owners of GGA for achieving certain performance targets (collectively with the GGA Closing Shares, the “GGA Employment Shares”). The GGA Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. The first such installment vested during the second quarter of 2015. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GGA Employment Shares at the date of grant was $20,655 and will be recorded as stock-based expense over an associated service period of three years (Note 13). Under the terms of the agreement, 102,631 of the GGA Employment Shares were placed into an escrow account for a period of 15 months as security for the indemnification obligations of the sellers under the asset purchase agreement.

Great Fridays — On October 31, 2014, the Company acquired all of the outstanding equity of Great Fridays Limited and its subsidiaries with intent to expand the Company’s product and design service portfolio. Great Fridays Limited, headquartered in Manchester, UK, with offices in London, San Francisco and New York, focuses on bridging the gap between business and design. The acquisition of Great Fridays added approximately 50 creative design professionals to the Company’s headcount. In connection with the Great Fridays acquisition, the Company agreed to issue 90,864 shares of the Company common stock to the former owners of Great Fridays as consideration for future services (the “Great Fridays Closing Shares”). Furthermore, during the second quarter of 2015, subject to attainment of specified performance targets, the Company issued to the former owners of Great Fridays 10,092 shares of the Company common stock (collectively with Great Fridays Closing Shares, the “GF Employment Shares”). The GF Employment Shares vest in equal annual installments over a three-year period starting from the date of acquisition. With respect to each former owner, all unvested shares will be forfeited upon either termination of services by the Company for cause or by the employee other than for good reason. The aggregate fair value of the GF Employment Shares at the date of grant was $4,823 and will be recorded as stock-based compensation expense over an associated service period of three years (Note 13). Under the terms of the agreement, 28,390 of the GF Employment Shares were placed into an escrow account for a period of 24 months as security for the indemnification obligations of the sellers under the asset purchase agreement.

The following is a summary of the estimated fair values of the net assets acquired at the date of each respective acquisition during the year ended December 31, 2014 as originally reported in the quarterly condensed consolidated financial statements and at December 31, 2015:



	Netsoft				Jointech				GGA				Great Fridays				Total
	At Originally Reported		Final as of March 31, 2015		As Originally Reported		Final as of June 30, 2015		As Originally Reported		Final as of June 30, 2015		As Originally Reported		Final as of December 31, 2015		As Originally Reported		Final as of December 31, 2015
Cash and cash equivalents	$	—	$	—	$	871	$	871	$	—	$	—	$	259	$	259	$	1,130	$	1,130
Trade receivables and other current assets	788		788		784		784		5,157		5,377		1,825		1,825		8,554		8,774
Property and equipment and other long-term assets	52		52		338		338		444		306		262		262		1,096		958
Deferred tax asset	351		—		—		—		4,463		—		—		—		4,814		—
Acquired intangible assets	1,700		1,700		25,744		15,312		10,959		16,000		5,747		200		44,150		33,212
Goodwill	2,776		2,779		11,033		23,758		6,496		7,306		6,947		11,262		27,252		45,105
Total assets acquired	5,667		5,319		38,770		41,063		27,519		28,989		15,040		13,808		86,996		89,179
Accounts payable and accrued expenses	69		69		728		728		2,593		2,593		872		807		4,262		4,197
Deferred revenue	—		—		—		—		—		104		317		317		317		421
Due to employees	—		—		1,254		1,254		—		—		624		624		1,878		1,878
Deferred tax liability	—		—		—		2,293		—		—		1,200		110		1,200		2,403
Total liabilities assumed	69		69		1,982		4,275		2,593		2,697		3,013		1,858		7,657		8,899
Net assets acquired	$	5,598	$	5,250	$	36,788	$	36,788	$	24,926	$	26,292	$	12,027	$	11,950	$	79,339	$	80,280

As of December 31, 2015 the fair values of the assets acquired and liabilities assumed and the related purchase price allocation for the 2014 acquisitions have been finalized.

As of December 31, 2015, and during the period since the date of each respective acquisition up through December 31, 2015, or the date purchase accounting was finalized, as applicable, the Company made updates to the initially reported acquired balances and has finalized valuation of the balances of Netsoft, Jointech, GGA and Great Fridays. For Netsoft, the deferred tax asset and goodwill were adjusted and decreased the net assets acquired by $348. For Jointech, intangible assets were adjusted to reflect the final fair value of intangible assets acquired and a deferred tax liability was established, both increasing goodwill with no change to the net assets acquired. For GGA, the final working capital adjustment was completed, deferred tax assets were netted with additional recognized deferred tax liabilities and additional accounts receivable and deferred revenue were recognized. In addition, intangible assets and property and equipment were adjusted to reflect the final fair value of the assets acquired. These adjustments resulted in an overall increase to goodwill and increased the net assets by $1,366. For Great Fridays, the value of the intangible assets and associated deferred tax liabilities were reduced based on the final fair value estimates of acquired intangible assets, which increased goodwill. These adjustments resulted in a decrease in net assets acquired by $77.

The adjustments identified above did not significantly impact our previously reported net income of prior periods and, as such, prior period amounts have not been retrospectively adjusted.

The following table presents the estimated fair values and useful lives of intangible assets acquired during the year ended December 31, 2014:



	Netsoft			Jointech			GGA			Great Fridays
	Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount		Weighted Average Useful Life (in years)	Amount
Customer relationships	10	$	1,700	10	$	15,000	10	$	16,000	3	$	200
Trade names	—	—		2	312		—	—		—	—
Total		$	1,700		$	15,312		$	16,000		$	200

As of December 31, 2015, the companies acquired during 2015 and 2014 have been significantly integrated into the Company and as such, it is not possible to precisely report their individual post-acquisition results of operations. Pro forma results of operations for the acquisition transactions are not presented because the effects of the acquisitions would not have been material to the Company’s consolidated results of operations, individually or in the aggregate for the periods presented.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1497-128463

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1490-128463

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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+ Details

GOODWILL AND INTANGIBLE ASSETS - NET

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND INTANGIBLE ASSETS - NET

GOODWILL AND INTANGIBLE ASSETS — NET

Goodwill by reportable segment was as follows:



	North America			Europe			Russia			Total
Balance as of January 1, 2014	$	16,438		$	2,864		$	2,966		$	22,268
Acquisition of Netsoft (Note 2)	2,749			—			—			2,749
Acquisition of Jointech (Note 2)	—			17,404			—			17,404
Acquisition of GGA (Note 2)	12,115			—			—			12,115
Acquisition of Great Fridays (Note 2)	—			6,947			—			6,947
Goodwill written-off	—			—			(2,241		)	(2,241		)
Net effect of foreign currency exchange rate changes	(224		)	(876		)	(725		)	(1,825		)
Balance as of December 31, 2014	31,078			26,339			—			57,417
Acquisition of NavigationArts (Note 2)	23,822			—			—			23,822
Acquisition of AGS (Note 2)	33,815			—			—			33,815
Netsoft purchase accounting adjustment (Note 2)	30			—			—			30
Jointech purchase accounting adjustment (Note 2)	—			6,181			—			6,181
GGA purchase accounting adjustment (Note 2)	(4,807		)	—			—			(4,807		)
Great Fridays purchase accounting adjustment (Note 2)	—			4,315			—			4,315
NavigationArts purchase accounting adjustment (Note 2)	(2,058		)	—			—			(2,058		)
Effect of net foreign currency exchange rate changes	(416		)	(2,369		)	—			(2,785		)
Balance as of December 31, 2015	$	81,464		$	34,466		$	—		$	115,930

Excluded from the table above is the Other segment. As a result of an operating loss in the Other reporting unit for the three months ended June 30, 2011, the Company performed a goodwill impairment test. In assessing impairment in accordance with Accounting Standards Codification, (“ASC”) No. 350, “Intangibles-Goodwill and Other,” the Company determined that the fair value of the Other reporting unit, based on the total of the expected future discounted cash flows directly related to the reporting unit, was below the carrying value of the reporting unit. The Company completed the second step of the goodwill impairment test, resulting in an impairment charge of $1,697 in the Other operating segment. As of December 31, 2015, 2014 and 2013 the book value of the Other segment was zero.

The Company performed an annual goodwill impairment test as of October 31, 2014 in accordance with Accounting Standards Codification, (“ASC”) No. 350, “Intangibles-Goodwill and Other.” In assessing impairment both qualitatively and quantitatively based on the total of the expected future discounted cash flows directly related to the reporting unit, the Company determined that the fair value of the Russia reporting unit was below the carrying value of the reporting unit. The Company completed the second step of the goodwill impairment test, resulting in an impairment charge of $2,241in the Russia segment. As of December 31, 2015 and 2014 the book value of the Russia segment was zero. All existing assets that related to the Russia segment, excluding goodwill and including any unrecognized intangible assets, were assessed by management and deemed to not be impaired.

There were no accumulated impairments losses in North America or Europe operating segments as of December 31, 2015, 2014 or 2013.

As part of the AGS acquisition in 2015, substantially all of the employees of AGS continued employment. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire AGS is attributable to the workforce of the acquired business. All of the goodwill was allocated to the Company’s U.S. operations and is presented within North America.

As part of the NavigationArts acquisition in 2015, substantially all of the employees of NavigationArts continued employment. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire NavigationArts is attributable to the workforce of the acquired business. All of the goodwill was allocated to the Company’s U.S. operations and is presented within North America.

As part of the Netsoft acquisition in 2014, substantially all of the employees of Netsoft accepted employment with the Company. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire Netsoft is attributable to the workforce of the acquired business. All of the goodwill was allocated to the Company’s U.S. operations and is presented within North America.

As part of the Jointech acquisition in 2014, substantially all of the employees of Jointech continued employment. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire Jointech is attributable to the workforce of the acquired business. Based on the determination of the reportable units, Jointech has been placed in the Europe reportable unit based on managerial responsibility and consistent with segment reporting. All of the goodwill was allocated to the Company’s UK operations and is presented within Europe segment.

As part of the GGA acquisition in 2014, substantially all of the employees of GGA accepted employment with the Company. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire GGA is attributable to the workforce of the acquired business. All of the goodwill was allocated to the Company’s U.S. operations and is presented within North America.

As part of the Great Fridays acquisition in 2014, substantially all of the employees of Great Fridays continued employment. The Company believes the amount of goodwill resulting from the allocation of purchase price to acquire Great Fridays is attributable to the workforce of the acquired business. All of the goodwill was allocated to the Company’s U.S. operations and is presented within North America.



	2015
	Weighted average life at acquisition (in years)	Gross carrying amount		Accumulated amortization			Net carrying amount
Client relationships	10	$	52,974	$	(8,387	)	$	44,587
Trade name	5	5,853		(3,772		)	2,081
Non-competition agreements	4	746		(554		)	192
Total		$	59,573	$	(12,713	)	$	46,860



	2014
	Weighted average life at acquisition (in years)	Gross carrying amount		Accumulated amortization			Net carrying amount
Client relationships	10	$	48,482	$	(4,664	)	$	43,818
Trade name	5	6,372		(2,894		)	3,478
Non-competition agreements	5	813		(420		)	393
Total		$	55,667	$	(7,978	)	$	47,689

All of the intangible assets have finite lives and as such are subject to amortization. Recognized amortization expense for the years ended December 31 is presented in the table below:



	For the Years Ended December 31,
	2015		2014		2013
Client relationships	$	3,961	$	3,843	$	1,373
Trade name	1,280		1,319		1,222
Non-competition agreements	175		187		190
Total	$	5,416	$	5,349	$	2,785

Estimated amortization expenses of the Company’s existing intangible assets for the next five years ending December 31, were as follows:



	Amount
2016	$	6,633
2017	6,240
2018	5,292
2019	5,292
2020	5,292
Thereafter	18,111
Total	$	46,860

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

PREPAID AND OTHER CURRENT ASSETS

12 Months Ended

Dec. 31, 2015

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets consisted of the following:



	December 31, 2015		December 31, 2014
Taxes receivable	$	7,954	$	3,966
Prepaid expenses	4,693		3,703
Other	1,697		1,620
Total	$	14,344	$	9,289

EMPLOYEE LOANS AND ALLOWANCE FOR LOAN LOSSES

12 Months Ended

Dec. 31, 2015

Loans and Leases Receivable, Related Parties Disclosure [Abstract]

EMPLOYEE LOANS AND ALLOWANCE FOR LOAN LOSSES

In 2012, the Board of Directors of the Company approved the Employee Housing Program (the “Housing Program”), which provides employees with loans to purchase housing in Belarus. The housing is sold directly to employees by independent third parties. The Housing Program was designed as a retention mechanism for the Company’s employees in Belarus and is available to full-time qualified employees who have been with the Company for at least three years. The aggregate maximum lending limit of the program is $10,000, with no individual loans exceeding $50. In addition to the housing loans, the Company issues relocation loans in connection with intra-company transfers, as well as certain other individual loans.

During the year ended December 31, 2015, loans issued by the Company under the Housing Program were denominated in U.S. Dollars with a 5-year term and carried an interest rate of 7.5%.

At December 31, 2015 and December 31, 2014, categories of employee loans included in the loan portfolio were as follows:



	December 31, 2015		December 31, 2014
Housing loans	$	5,654	$	5,848
Relocation and other loans	684		667
Total employee loans	6,338		6,515
Less:
Allowance for loan losses	—		—
Total loans, net of allowance for loan losses	$	6,338	$	6,515

During the years ended December 31, 2015 and 2014, the Company issued a total of $3,427 and $3,162 of loans to its employees, respectively, and received $3,547 and $3,025 in loan repayments during the same periods, respectively. One of the loans in the amount of $7 was written-off during the year ended December 31, 2015. There were no loans written-off during the year ended December 31, 2014.

There were no loans issued to principal officers, directors, or their affiliates during the years ended December 31, 2015, 2014 and 2013.

On a quarterly basis, the Company reviews the aging of its loan portfolio and evaluates the ability of employees to repay their debt on schedule. Factors considered in the review include historical payment experience, reasons for payment delays and shortfalls, if any, as well as probability of collecting scheduled principal and interest payments. As of December 31, 2015 and December 31, 2014, there were no material past due or non-accrual employee loans. The Company determined no allowance for loan losses was required regarding its employee loans as of December 31, 2015 and December 31, 2014 and there were no movements in provision for loan losses during the years ended December 31, 2015, 2014 and 2013.

RESTRICTED CASH AND TIME DEPOSITS

12 Months Ended

Dec. 31, 2015

Cash and Cash Equivalents [Abstract]

RESTRICTED CASH AND TIME DEPOSITS

Restricted cash and time deposits consisted of the following:



	December 31, 2015		December 31, 2014
Time deposits	$	30,181	$	—
Other security deposits	238		156
Total	$	30,419	$	156

As of December 31, 2015, time deposits consisted of a bank deposit of $30,181, earning interest at the rate of 0.74% placed with the Cyprus entity’s bank in the United Kingdom The deposit will mature on March 11, 2016. There were no time deposits as of December 31, 2014.

At December 31, 2015 and 2014, security deposits under lease contracts represented amounts retained to secure appropriate performance by the Company. The Company estimates the probability of non-performance under these contracts as remote, therefore, no provision for losses has been recognized in respect of these amounts as of December 31, 2015 and 2014.

Other restricted cash as of December 31, 2015 and 2014 included loan deposits placed in connection with certain employee loan programs (See Note 5).

- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

+ References + Details

PROPERTY AND EQUIPMENT - NET

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT - NET

Property and equipment consisted of the following:



	Useful Life (in years)	December 31, 2015			December 31, 2014
Computer hardware	3	$	36,612		$	32,374
Leasehold improvements	lease term	6,801			6,287
Furniture and fixtures	7	8,990			7,348
Purchased computer software	3	4,099			3,606
Office equipment	7	8,307			5,043
Building	50	34,002			17,123
Land improvements	20	1,464			—
Construction in progress (Note 15)	n/a	—			17,885
		100,275			89,666
Less accumulated depreciation and amortization		(39,776		)	(34,532		)
Total		$	60,499		$	55,134

Depreciation and amortization expense related to property and equipment was $11,979, $12,134 and $12,335 for the years ended December 31, 2015, 2014 and 2013, respectively.

ACCRUED EXPENSES AND OTHER LIABILITIES

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

ACCRUED EXPENSES AND OTHER LIABILITIES

Accrued expenses consisted of the following:



	December 31, 2015		December 31, 2014
Compensation	$	47,285	$	22,766
Subcontractor costs	4,360		2,815
Professional fees	2,251		1,162
Facilities costs	1,538		757
Acquisition related deferred consideration	603		1,022
Other	4,347		3,681
Total	$	60,384	$	32,203

TAXES PAYABLE	12 Months Ended
TAXES PAYABLE	Dec. 31, 2015
Taxes Payable, Current [Abstract]
TAXES PAYABLE	TAXES PAYABLE Current taxes payable consisted of the following: