GP Strategies (GPX) 10-Q 2 Aug 19 2019 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Jul. 23, 2019
Document And Entity Information [Abstract]
Entity Registrant Name	GP STRATEGIES CORP
Entity Central Index Key	0000070415
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		16,894,383
Document Type	10-Q
Amendment Flag	false
Entity Small Business	false
Entity Emerging Growth Company	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019
Entity Shell Company	false
Entity Current Reporting Status	Yes

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash	$ 6,111	$ 13,417
Accounts and other receivables, less allowance for doubtful accounts of $2,254 in 2019 and $2,034 in 2018	119,008	107,673
Unbilled revenue	72,376	80,764
Prepaid expenses and other current assets	21,042	19,048
Total current assets	218,537	220,902
Property, plant and equipment	25,865	24,580
Accumulated depreciation	(20,145)	(18,721)
Property, plant and equipment, net	5,720	5,859
Operating lease right-of-use assets	28,867	0
Goodwill	177,258	176,124
Intangible assets, net	18,752	20,933
Other assets	12,121	10,920
Total assets	461,255	434,738
Liabilities and Stockholders’ Equity
Accounts payable and accrued expenses	80,117	93,254
Deferred revenue	23,812	23,704
Current portion of operating lease liabilities	9,078	0
Total current liabilities	113,007	116,958
Long-term debt	119,650	116,500
Long-term portion of operating lease liabilities	23,415	0
Other noncurrent liabilities	11,419	14,711
Total liabilities	267,491	248,169
Stockholders’ equity:
Common stock, par value $0.01 per share	172	172
Additional paid-in capital	104,187	105,850
Retained earnings	119,592	116,039
Treasury stock at cost	(9,830)	(13,802)
Accumulated other comprehensive loss	(20,357)	(21,690)
Total stockholders’ equity	193,764	186,569
Total Liabilities and Stockholders' Equity	$ 461,255	$ 434,738

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts and other receivables, allowance for doubtful accounts (in dollars)	$ 2,254	$ 2,034
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenue	$ 149,413	$ 133,691	$ 288,886	$ 258,723
Cost of revenue	126,454	111,118	244,649	218,471
Gross profit	22,959	22,573	44,237	40,252
General and administrative expenses	15,402	14,121	31,529	27,980
Sales and marketing expenses	1,906	1,106	3,895	1,831
Restructuring charges	182	2,495	1,301	2,930
Gain on change in fair value of contingent consideration, net	627	894	677	3,446
Operating income	6,096	5,745	8,189	10,957
Interest expense	1,679	(150)	3,277	536
Other income (expense)	102	(988)	88	(1,152)
Income before income tax expense	4,519	4,907	5,000	9,269
Income tax expense	1,300	1,332	1,447	3,062
Net income	$ 3,219	$ 3,575	$ 3,553	$ 6,207
Basic weighted average shares outstanding (in shares)	16,747	16,510	16,710	16,565
Diluted weighted average shares outstanding (in shares)	16,780	16,601	16,741	16,657
Per common share data:
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.21	$ 0.37
Diluted earnings per share (in dollars per share)	$ 0.19	$ 0.22	$ 0.21	$ 0.37

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 3,219	$ 3,575	$ 3,553	$ 6,207
Foreign currency translation adjustments	(380)	(5,637)	1,333	(3,205)
Change in fair value of interest rate cap, net of tax	0	57	0	205
Change in fair value of interest rate swap, net of tax	0	4	0	59
Comprehensive income (loss)	$ 2,839	$ (2,001)	$ 4,886	$ 3,266

Condensed Consolidated Statem_3

Condensed Consolidated Statement of Stockholders Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Interest Rate Cap	Interest Rate CapAOCI Attributable to Parent [Member]	Interest Rate Swap [Member]	Interest Rate Swap [Member]AOCI Attributable to Parent [Member]
Beginning balance at Dec. 31, 2017	$ 188,054	$ 172	$ 107,256	$ 106,599	$ (11,118)	$ (14,855)
Net income	6,207			6,207
Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments							$ 205	$ 205	$ 59	$ 59
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(3,205)					(3,205)
Stock Repurchased During Period, Value	(7,294)				(7,294)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	1,097		1,097
Stock Issued During Period, Value, Defined Contribution Plan Employer Discretionary Contribution	1,437		(88)		1,525
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	(80)		(893)		813
Ending balance at Jun. 30, 2018	186,084	172	107,372	112,410	(16,074)	(17,796)
Beginning balance at Mar. 31, 2018	187,022	172	107,369	108,835	(17,134)	(12,220)
Net income	3,575			3,575
Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments							$ 57	$ 57	$ 4	$ 4
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(5,637)					(5,637)
Stock Repurchased During Period, Value	(33)				(33)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	399		399
Stock Issued During Period, Value, Defined Contribution Plan Employer Discretionary Contribution	726		(92)		818
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	(29)		(304)		275
Ending balance at Jun. 30, 2018	186,084	172	107,372	112,410	(16,074)	(17,796)
Beginning balance at Dec. 31, 2018	186,569	172	105,850	116,039	(13,802)	(21,690)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax						(380)
Ending balance at Mar. 31, 2019	189,714	172	104,909	116,373	(11,763)	(19,977)
Beginning balance at Dec. 31, 2018	186,569	172	105,850	116,039	(13,802)	(21,690)
Net income	3,553			3,553
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	1,333					1,333
Stock Granted, Value, Share-based Compensation, Net of Forfeitures	956		956
Adjustments To Additional Paid In Capital Share Based Compensation Employer Contributions To Retirement Plan	1,463		(961)		2,424
Stockholders' Equity, Other	(110)		(1,658)		1,548
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	1,333
Ending balance at Jun. 30, 2019	193,764	172	104,187	119,592	(9,830)	(20,357)
Beginning balance at Mar. 31, 2019	189,714	172	104,909	116,373	(11,763)	(19,977)
Net income	3,219			3,219
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(380)
Stock Granted, Value, Share-based Compensation, Net of Forfeitures	602		602
Adjustments To Additional Paid In Capital Share Based Compensation Employer Contributions To Retirement Plan	728		(540)		1,268
Stockholders' Equity, Other	(119)		(784)		665
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(380)
Ending balance at Jun. 30, 2019	$ 193,764	$ 172	$ 104,187	$ 119,592	$ (9,830)	$ (20,357)

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 3,553	$ 6,207
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Gain on change in fair value of contingent consideration, net	(677)	(3,446)
Depreciation and amortization	4,657	3,761
Deferred income taxes	(556)	(169)
Non-cash compensation expense	2,419	2,534
Changes in other operating items:
Accounts and other receivables	(10,528)	10,568
Unbilled revenue	8,266	(2,753)
Prepaid expenses and other current assets	(2,449)	(1,755)
Accounts payable and accrued expenses	(11,772)	(1,775)
Deferred revenue	141	(7,067)
Other	643	1,020
Net cash (used in) provided by operating activities	(6,303)	7,125
Cash flows from investing activities:
Additions to property, plant and equipment	(1,027)	(1,514)
Acquisitions, net of cash acquired	0	(39,957)
Other investing activities	(227)	(2,051)
Net cash used in investing activities	(1,254)	(43,522)
Cash flows from financing activities:
Proceeds from short-term borrowings	0	24,197
Proceeds from long-term debt	77,050	18,000
Repayment of long-term debt	(73,900)	(6,000)
Change in negative cash book balance	(1,584)	(695)
Repurchases of common stock in the open market	0	(7,823)
Other financing activities	(402)	(80)
Net cash provided by financing activities	1,164	27,599
Effect of exchange rate changes on cash and cash equivalents	(913)	(680)
Net decrease in cash	(7,306)	(9,478)
Cash at beginning of period	13,417	23,612
Cash at end of period	6,111	14,134
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	3,197	1,388
Cash (refunded) paid during the period for income taxes	$ (498)	$ 3,371

Basis of Presentation

Basis of Presentation	6 Months Ended
	Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation GP Strategies Corporation is a global performance improvement solutions provider of training, digital learning solutions, management consulting and engineering services. References in this report to “GP Strategies,” the “Company,” “we” and “our” are to GP Strategies Corporation and its subsidiaries, collectively. The accompanying condensed consolidated balance sheet as of June 30, 2019 , the condensed consolidated statements of operations, comprehensive income (loss) and stockholders' equity for the three and six months ended June 30, 2019 and 2018 , and the condensed consolidated statements of cash flows for the six months ended June 30, 2019 and 2018 have not been audited, but have been prepared in conformity with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements for the year ended December 31, 2018 , as presented in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2018 . In the opinion of management, this interim information includes all material adjustments, which are of a normal and recurring nature, necessary for a fair presentation. The results for the 2019 interim period are not necessarily indicative of results to be expected for the entire year. The condensed consolidated financial statements include the operations of the Company and its subsidiaries. All significant intercompany balances and transactions have been eliminated. Certain prior year amounts have been reclassified to conform with the current year presentation. Beginning in the second quarter of 2018, sales and marketing expenses have been presented separately from general administrative expenses on the condensed consolidated statements of operations, whereas in prior periods these amounts were included in one caption titled "selling, general and administrative expenses." Amounts for the first quarter of 2018 have been reclassified to conform to the current year presentation.

Recent Accounting Standards

Recent Accounting Standards	6 Months Ended
	Jun. 30, 2019
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recent Accounting Standards	Recent Accounting Standards Recently Adopted Accounting Standards On January 1, 2019, we adopted Accounting Standards Update (ASU) 2016-02, Leases (Topic 842), which requires the recognition of lease rights and obligations as assets and liabilities on the balance sheet. Previously, lessees were not required to recognize on the balance sheet assets and liabilities arising from operating leases. We adopted Topic 842 using the modified retrospective method of adoption applying the transition provisions at the beginning of the period of adoption, rather than at the beginning of the earliest comparative period presented in these financial statements. As a result, prior period information has not been restated. The new standard provides several optional practical expedients for use in transition. We elected to use what the FASB has deemed the “package of practical expedients,” which allows us not to reassess our previous conclusions about lease identification, lease classification and the accounting treatment for initial direct costs. The ASU also provides several optional practical expedients for the ongoing accounting for leases. We have elected the short-term lease recognition exemption for all leases that qualify, meaning that for leases with terms of twelve months or less, we will not recognize right-of-use (ROU) assets or lease liabilities on our consolidated balance sheet. Additionally, we have elected to use the practical expedient to not separate lease and non-lease components for leases of real estate, meaning that for these leases, the non-lease components are included in the associated ROU asset and lease liability balances on our consolidated balance sheet. The most significant impacts of adopting Topic 842 on our consolidated financial statements were (1) the recognition of new ROU assets and lease liabilities for our operating leases of $31.1 million and $34.9 million , respectively on January 1, 2019, which included reclassifying accrued rent as a component of the ROU asset, and (2) significant new disclosures about our leasing activities, which are provided in Note 13. Topic 842 did not have a material impact on our results of operations or cash flows. In January 2017, the FASB issued ASU No. 2017-04, Simplifying the Test for Goodwill Impairment . The standard will remove step 2 from the goodwill impairment test. Under the ASU, an entity should perform its annual goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value, however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. ASU 2017-04 is effective for public companies for annual reporting periods beginning after December 15, 2019. Early adoption is permitted for goodwill impairment tests performed on testing dates after January 1, 2017. We adopted the standard on January 1, 2019. The adoption of the ASU did not have an effect on our results of operations, financial condition or cash flows. Accounting Standards Not Yet Adopted For a discussion of other accounting standards that have been issued by the FASB but are not yet effective, refer to the Recent Accounting Standards section in our Annual Report on Form 10-K for the year ended December 31, 2018. These standards are not expected to have a material impact on our results of operations, financial condition or cash flows.

Revenue

Revenue	6 Months Ended
	Jun. 30, 2019
Revenue from Contract with Customer [Abstract]
Revenue	Revenue Significant Accounting Policy We account for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers (ASC Topic 606), which we adopted on January 1, 2018, using the modified retrospective method. Revenue is measured based on the consideration specified in a contract with a customer. Most of our contracts with customers contain transaction prices with fixed consideration, however, some contracts may contain variable consideration in the form of discounts, rebates, refunds, credits, price concessions, incentives, performance bonuses, penalties and other similar items. When a contract includes variable consideration, we evaluate the estimate of variable consideration to determine whether the estimate needs to be constrained; therefore, we include the variable consideration in the transaction price only to the extent that it is probable that a significant reversal of the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. We recognize revenue when we satisfy a performance obligation by transferring control over a product or service to a customer. This can result in recognition of revenue over time as we perform services or at a point in time when the deliverable is transferred to the customer, depending on an evaluation of the criteria for over time recognition in ASC Topic 606. Further details regarding our revenue recognition for various revenue streams are discussed below. Nature of goods and services Over 90% of our revenue is derived from services provided to our customers for training, consulting, technical, engineering and other services. Less than 10% of our revenue is derived from various other offerings including custom magazine publications and assembly of glovebox portfolios for automotive manufacturers, licenses of software and other intellectual property, and software as a service (SaaS) arrangements. Our primary contract vehicles are time-and-materials, fixed price (including fixed-fee per transaction) and cost-reimbursable contracts. Each contract has different terms based on the scope, deliverables and complexity of the engagement, requiring us to make judgments and estimates about recognizing revenue. Under time-and-materials and cost-reimbursable contracts, the contractual billing schedules are based on the specified level of resources we are obligated to provide. Revenue under these contract types are recognized over time as services are performed as the client simultaneously receives and consumes the benefits provided by our performance throughout the engagement. The time and materials incurred for the period is the measure of performance and, therefore, revenue is recognized in that amount. For fixed price contracts which typically involve a discrete project, such as development of training content and materials, design of training processes, software implementation, or engineering projects, the contractual billing schedules are not necessarily based on the specified level of resources we are obligated to provide. These discrete projects generally do not contain milestones or other measures of performance. The majority of our fixed price contracts meet the criteria in ASC Topic 606 for over time revenue recognition. For these contracts, revenue is recognized using a percentage-of-completion method based on the relationship of costs incurred to total estimated costs expected to be incurred over the term of the contract. We believe this methodology is a reasonable measure of proportional performance since performance primarily involves personnel costs and services provided to the customer throughout the course of the projects through regular communications of progress toward completion and other project deliverables. In addition, the customer is required to pay us for the proportionate amount of our fees in the event of contract termination. A small portion of our fixed price contracts do not meet the criteria in ASC Topic 606 for over time revenue recognition. For these projects, we defer revenue recognition until the performance obligation is satisfied, which is generally when the final deliverable is provided to the client. The direct costs related to these projects are capitalized and then recognized as cost of revenue when the performance obligation is satisfied. For fixed price contracts, when total direct cost estimates exceed revenues, the estimated losses are recognized immediately. The use of the percentage-of-completion method requires significant judgment relative to estimating total contract costs, including assumptions relative to the length of time to complete the project, the nature and complexity of the work to be performed, and anticipated changes in estimated salaries and other costs. Estimates of total contract costs are continuously monitored during the term of the contract, and recorded revenues and costs are subject to revision as the contract progresses. When revisions in estimated contract revenues and costs are determined, such adjustments are recorded in the period in which they are first identified. Adjustments to our fixed price contracts in the aggregate resulted in a net decrease to revenue of $0.2 million and a net increase to revenue of $0.5 million for the three months ended June 30, 2019 and 2018 , respectively, and a net increase to revenue of $0.9 million and $1.0 million for the six months ended June 30, 2019 and 2018 , respectively. For certain fixed-fee per transaction contracts, such as delivering training courses or conducting workshops, revenue is recognized during the period in which services are delivered in accordance with the pricing outlined in the contracts. For certain fixed-fee per transaction and fixed price contracts in which the output of the arrangement is measurable, such as for the shipping of publications and print materials, revenue is recognized at the point in time at which control is transferred which is upon delivery. Taxes assessed by a government authority that are both imposed on and concurrent with a specific revenue-producing transaction, that we collect from a customer, are excluded from revenue. Performance Obligations A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account in ASC Topic 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. For contracts with multiple performance obligations, we allocate the contract’s transaction price to each performance obligation using our best estimate of the standalone selling price of each distinct good or service in the contract. As of June 30, 2019 , we had $330.5 million of remaining performance obligations, which we also refer to as total backlog. We expect to recognize over 95 percent of our remaining performance obligations as revenue within the next twelve months. We did not apply any of the practical expedients permitted by ASC Topic 606 in determining the amount of our performance obligations as of June 30, 2019 . Revenue by Category The following series of tables presents our revenue disaggregated by various categories (dollars in thousands). Three Months Ended June 30, Workforce Excellence Business Transformation Services Consolidated 2019 2018 2019 2018 2019 2018 Revenue by type of service: Managed learning services $ 52,253 $ 53,080 $ — $ — $ 52,253 $ 53,080 Engineering & technical services 28,806 29,002 — — 28,806 29,002 Sales enablement — — 44,764 27,799 44,764 27,799 Organizational development — — 23,590 23,810 23,590 23,810 $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Revenue by geographic region: Americas $ 57,799 $ 54,171 $ 52,974 $ 44,513 $ 110,773 $ 98,684 Europe Middle East Africa 22,468 24,466 12,437 9,258 34,905 33,724 Asia Pacific 8,693 7,908 6,696 117 15,389 8,025 Eliminations (7,901 ) (4,463 ) (3,753 ) (2,279 ) (11,654 ) (6,742 ) $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Revenue by client market sector: Automotive $ 2,129 $ 2,962 $ 43,631 $ 28,357 $ 45,760 $ 31,319 Financial & Insurance 19,770 23,042 2,400 3,251 22,170 26,293 Manufacturing 8,416 8,887 5,774 3,760 14,190 12,647 Energy / Oil & Gas 8,687 10,862 1,619 800 10,306 11,662 U.S. Government 9,870 6,513 1,981 2,318 11,851 8,831 U.K. Government 4,357 4,947 — — 4,357 4,947 Information & Communication 4,002 4,091 2,073 2,570 6,075 6,661 Aerospace 7,102 7,110 872 569 7,974 7,679 Electronics Semiconductor 4,093 3,826 340 229 4,433 4,055 Life Sciences 4,996 2,977 1,624 2,527 6,620 5,504 Other 7,637 6,865 8,040 7,228 15,677 14,093 $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Six Months Ended June 30, Workforce Excellence Business Transformation Services Consolidated 2019 2018 2019 2018 2019 2018 Revenue by type of service: Managed learning services $ 104,071 $ 104,857 $ — $ — $ 104,071 $ 104,857 Engineering & technical services 56,438 53,671 — — 56,438 53,671 Sales enablement — — 81,928 51,649 81,928 51,649 Organizational development — — 46,449 48,546 46,449 48,546 $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723 Revenue by geographic region: Americas $ 112,484 $ 102,871 $ 98,956 $ 85,434 $ 211,440 $ 188,305 Europe Middle East Africa 44,697 49,100 24,120 18,502 68,817 67,602 Asia Pacific 14,835 15,195 11,830 189 26,665 15,384 Eliminations (11,507 ) (8,638 ) (6,529 ) (3,930 ) (18,036 ) (12,568 ) $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723 Revenue by client market sector: Automotive $ 3,822 $ 5,876 $ 79,712 $ 52,603 $ 83,534 $ 58,479 Financial & Insurance 38,397 45,158 4,894 6,318 43,291 51,476 Manufacturing 16,394 18,063 12,084 7,872 28,478 25,935 Energy / Oil & Gas 20,062 18,656 2,802 2,130 22,864 20,786 U.S. Government 19,486 13,031 3,889 4,640 23,375 17,671 U.K. Government 8,412 10,433 — — 8,412 10,433 Information & Communication 7,463 7,712 4,377 4,623 11,840 12,335 Aerospace 13,554 14,914 2,033 1,248 15,587 16,162 Electronics Semiconductor 8,215 7,509 594 280 8,809 7,789 Life Sciences 9,708 4,851 3,739 5,211 13,447 10,062 Other 14,996 12,325 14,253 15,270 29,249 27,595 $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723 Contract Balances The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled revenue (contract assets), and deferred revenue (contract liabilities) on the condensed consolidated balance sheet. Amounts charged to our clients become billable according to the contract terms, which usually consider the passage of time, achievement of milestones or completion of the project. When billings occur after the work has been performed, such unbilled amounts will generally be billed and collected within 60 to 120 days but typically no longer than over the next twelve months. When we advance bill clients prior to the work being performed, generally, such amounts will be earned and recognized in revenue within the next twelve months. These assets and liabilities are reported on the condensed consolidated balance sheet on a contract-by-contract basis at the end of each reporting period. Changes in the contract asset and liability balances during the six -month period ended June 30, 2019 were not materially impacted by any other factors. We recognized revenue of $4.6 million and $7.3 million for the three months ended June 30, 2019 and 2018 , respectively, and $15.7 million and $16.3 million for the six months ended June 30, 2019 and 2018 , respectively, that was included in the contract liability balance at the beginning of the year and primarily represented revenue from services performed during the current period for which we received advance payment from clients in a prior period.

Significant Customers & Concent

Significant Customers & Concentration of Credit Risk	6 Months Ended
	Jun. 30, 2019
Risks and Uncertainties [Abstract]
Significant Customers & Concentration of Credit Risk	Significant Customers & Concentration of Credit Risk We have a market concentration of revenue in both the automotive sector and financial & insurance sector. Revenue from the automotive sector accounted for approximately 29% and 23% of our consolidated revenue for the six months ended June 30, 2019 and 2018 , respectively. In addition, we have a concentration of revenue from a single automotive customer, which accounted for approximately 14% and 15% of our consolidated revenue for the six months ended June 30, 2019 and 2018 , respectively. As of June 30, 2019 , accounts receivable from a single automotive customer totaled $ 15.5 million , or 13% , of our consolidated accounts receivable balance. Revenue from the financial & insurance sector accounted for approximately 15% and 20% of our consolidated revenue for the six months ended June 30, 2019 and 2018 , respectively. In addition, we have a concentration of revenue from a single financial services customer, which accounted for approximately 11% and 14% of our consolidated revenue for the six months ended June 30, 2019 and 2018 , respectively. As of June 30, 2019 , billed and unbilled accounts receivable from a single financial services customer totaled $ 23.8 million , or 12% , of our consolidated accounts receivable and unbilled revenue balances. No other single customer accounted for more than 10% of our consolidated revenue for the six months ended June 30, 2019 or 2018 or consolidated accounts receivable balance as of June 30, 2019 .

Earnings Per Share

Earnings Per Share	6 Months Ended
	Jun. 30, 2019
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share Basic earnings per share (EPS) is computed by dividing net income by the weighted average number of common shares outstanding during the period. Diluted EPS reflects the potential dilution of common stock equivalent shares that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. Our dilutive common stock equivalent shares consist of stock options and restricted stock units computed under the treasury stock method, using the average market price during the period. Performance-based restricted stock unit awards are included in the computation of diluted shares based on the probable outcome of the underlying performance conditions being achieved. The following table presents instruments which were not dilutive and were excluded from the computation of diluted EPS in each period, as well as the dilutive common stock equivalent shares which were included in the computation of diluted EPS: Three Months Ended Six Months Ended 2019 2018 2019 2018 (In thousands) Non-dilutive instruments 181 140 116 73 Dilutive common stock equivalents 33 91 31 92

Acquisitions

Acquisitions	6 Months Ended
	Jun. 30, 2019
Business Combinations [Abstract]
Acquisitions	Acquisitions Contingent Consideration ASC Topic 805 requires that contingent consideration be recognized at fair value on the acquisition date and be re-measured each reporting period with subsequent adjustments recognized in the condensed consolidated statement of operations. We estimate the fair value of contingent consideration liabilities using an appropriate valuation methodology, typically either an income-based approach or a simulation model, such as the Monte Carlo model, depending on the structure of the contingent consideration arrangement. Contingent consideration is valued using significant inputs that are not observable in the market which are defined as Level 3 inputs pursuant to fair value measurement accounting. We believe our estimates and assumptions are reasonable; however, there is significant judgment involved. At each reporting date, the contingent consideration obligation is revalued to estimated fair value, and changes in fair value subsequent to the acquisitions are reflected in income or expense in the condensed consolidated statements of operations, and could cause a material impact to, and volatility in, our operating results. Changes in the fair value of contingent consideration obligations may result from changes in discount periods and rates and changes in the timing and amount of revenue and/or earnings projections. Below is a summary of the changes in the recorded amount of contingent consideration liabilities from December 31, 2018 to June 30, 2019 (dollars in thousands): Liability as of December 31, Change in Fair Value of Contingent Foreign Currency Liability as of June 30, Acquisition: 2018 Additions Payments Consideration Translation 2019 IC Axon $ 594 $ — $ — $ (594 ) $ — $ — McKinney Rogers 83 — — (83 ) — — Total $ 677 $ — $ — $ (677 ) $ — $ — As of June 30, 2019 and December 31, 2018 , contingent consideration considered a current liability and included in accounts payable totaled $0 and $0.6 million , respectively. As of December 31, 2018 we also had accrued contingent consideration totaling $0.1 million related to acquisitions which are included in other long-term liabilities on the condensed consolidated balance sheets and represent the portion of contingent consideration estimated to be payable greater than twelve months from the balance sheet date.

Intangible Assets

Intangible Assets	6 Months Ended
	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	Intangible Assets Goodwill Changes in the carrying amount of goodwill by reportable business segment for the six months ended June 30, 2019 were as follows (in thousands): Workforce Excellence Business Transformation Services Total Balance as of December 31, 2018 $ 123,918 $ 52,206 $ 176,124 Purchase accounting adjustment — 75 75 Foreign currency translation 1,115 (56 ) 1,059 Balance as of June 30, 2019 $ 125,033 $ 52,225 $ 177,258 Intangible Assets Subject to Amortization Intangible assets with finite lives are subject to amortization over their estimated useful lives. The primary assets included in this category and their respective balances were as follows (in thousands): Gross Carrying Amount Accumulated Amortization Net Carrying Amount June 30, 2019 Customer relationships $ 22,212 $ (5,656 ) $ 16,556 Intellectual property and other 4,946 (2,750 ) 2,196 $ 27,158 $ (8,406 ) $ 18,752 December 31, 2018 Customer relationships $ 26,524 $ (8,547 ) $ 17,977 Intellectual property and other 4,936 (1,980 ) 2,956 $ 31,460 $ (10,527 ) $ 20,933

Stock-Based Compensation

Stock-Based Compensation	6 Months Ended
	Jun. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation We recognize compensation expense for stock-based compensation awards issued to employees on a straight-line basis over the requisite service period. Compensation cost is based on the fair value of awards as of the grant date. The following table summarizes the pre-tax stock-based compensation expense included in reported net income (in thousands): Three months ended June 30, Six months ended June 30, 2019 2018 2019 2018 Restricted stock units 468 346 725 976 Board of Directors and other stock grants 134 53 231 121 Total stock-based compensation expense $ 602 $ 399 $ 956 $ 1,097 Pursuant to our 2011 Stock Incentive Plan (the “2011 Plan”), we may grant awards of non-qualified stock options, incentive stock options, restricted stock, stock units, performance shares, performance units and other incentives payable in cash or in shares of our common stock to officers, employees or members of the Board of Directors. As of June 30, 2019 , we had restricted and performance stock units outstanding under these plans.

Debt and Financial Instruments

Debt and Financial Instruments	6 Months Ended
	Jun. 30, 2019
Debt Disclosure [Abstract]
Debt and Financial Instruments	Debt On November 30, 2018, we entered into a Credit Agreement with PNC Bank, National Association, as administrative agent and a syndicate of lenders (the “Credit Agreement”), replacing the prior credit agreement with Wells Fargo dated December 21, 2016, as amended on April 28, 2018 and June 29, 2018 (the "Original Credit Agreement"). The Credit agreement provides for a revolving credit facility, which expires on November 29, 2023, and consists of: a revolving loan facility with a borrowing limit of $ 200 million , including a $ 20 million sublimit for foreign borrowings; an accordion feature allowing the Company to request increases in commitments to the credit facility by up to an additional $ 100 million ; a $ 20 million letter of credit sublimit; and a swingline loan credit sublimit of $ 20 million . The obligations under the Credit Agreement are guaranteed by certain of the Company's subsidiaries (the "Guarantors"). As collateral security under the Credit Agreement and the guarantees thereof, the Company and the Guarantors have granted to the administrative agent, for the benefit of the lenders, a lien on, and first priority security interest in substantially all of their tangible and intangible assets. The proceeds of the Credit Agreement were used, in part, to repay in full all outstanding borrowings under the Original Credit Agreement, and additional proceeds of the revolving credit facility are expected to be used for working capital and other general corporate purposes of the Company and its subsidiaries, including the issuance of letters of credit and Permitted Acquisitions, as defined. Borrowings under the Credit Agreement may be in the form of Base Rate loans or Euro-Rate loans, at the option of the borrowers, and bear interest at the Base Rate plus 0.25 % to 1.25 % or the Daily LIBOR Rate plus 1.25 % to 2.25 % respectively. Base Rate loans will bear interest at a fluctuating per annum Base Rate equal to the highest of (i) the Overnight Bank Funding Rate, plus 0.5 %, (ii) the Prime Rate, and (iii) the Daily LIBOR Rate, plus 100 basis points ( 1.0 %); plus an Applicable Margin. Determination of the Applicable Margin is based on a pricing grid that is generally dependent upon the Company's Leverage Ratio (as defined) as of the end of the fiscal quarter for which consolidated financial statements have been most recently delivered. We may prepay the revolving loan, in whole or in part, at any time without premium or penalty, subject to certain conditions. The Credit Agreement contains customary representations, warranties and affirmative covenants. The Credit Agreement also contains customary negative covenants, subject to negotiated exceptions, including but not limited to: (i) liens, (ii) investments, (iii) indebtedness, (iv) significant corporate changes, including mergers and acquisitions, (v) dispositions, (vi) restricted payments, including stock dividends, and (vii) certain other restrictive agreements. The Credit Agreement also requires the Company to maintain compliance with the following financial covenants; (i) a maximum leverage ratio, and (ii) a minimum interest expense coverage ratio. On June 28, 2019 we entered into an amendment to the Credit Agreement that modified the maximum leverage ratio requirements for 2019.We were in compliance with each of these financial covenants under the Credit Agreement, as amended, as of June 30, 2019 . As of June 30, 2019 , there were $ 119.7 million of borrowings outstanding and $ 14.2 million of available borrowings under the revolving loan facility based on our Leverage Ratio. For the six months ended June 30, 2019 and 2018 , the weighted average interest rate on our borrowings was 4.7% and 3.7% , respectively. As of June 30, 2019 , the fair value of our borrowings under the Credit Agreement approximated its carrying value as it bears interest at variable rates. There were $ 1.3 million of unamortized debt issue costs related to the Credit Agreement as of June 30, 2019 which are being amortized to interest expense over the term of the Credit Agreement and are included in Other assets on our consolidated balance sheet.

Income Taxes

Income Taxes	6 Months Ended
	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Income tax expense was $1.4 million , or an effective income tax rate of 28.9% , for the six months ended June 30, 2019 compared to $3.1 million , or an effective income tax rate of 33.0% , for the six months ended June 30, 2018 . The decrease in the effective income tax rate in 2019 compared to 2018 is primarily due to a $0.9 million increase to the provisional estimate recorded in the first quarter of 2018 relating to the one-time transition tax on the mandatory deemed repatriation of cumulative foreign earnings, imposed by the Tax Cuts and Jobs Act (the "Tax Act") that was enacted on December 22, 2017 partially offset by a change in the mix of income from lower to higher taxing jurisdictions. Income tax expense for the interim quarterly periods is based on an estimated annual effective tax rate which includes the U.S. federal, state and local, and non-U.S. statutory rates, permanent differences, and other items that may have an impact on income tax expense. An uncertain tax position taken or expected to be taken in a tax return is recognized in the financial statements when it is more likely than not (i.e., a likelihood of more than fifty percent) that the position would be sustained upon examination by tax authorities that have full knowledge of all relevant information. A recognized tax position is then measured at the largest amount of benefit that is greater than fifty percent likely of being realized upon ultimate settlement. Interest and penalties related to income taxes are accounted for as income tax expense. As of June 30, 2019 , we had no uncertain tax positions reflected on our condensed consolidated balance sheet. The Company files income tax returns in U.S. federal, state and local jurisdictions, and various non-U.S. jurisdictions, and is subject to audit by tax authorities in those jurisdictions. Tax years 2015 through 2018 remain open to examination by these tax jurisdictions, and earlier years remain open to examination in certain of these jurisdictions which have longer statutes of limitations.

Stockholders' Equity

Stockholders' Equity	6 Months Ended
	Jun. 30, 2019
Stockholders' Equity Note [Abstract]
Stockholders' Equity	Stockholders’ Equity Stock Repurchase Program We have a share repurchase program under which we may repurchase shares of our common stock from time to time in the open market, subject to prevailing business and market conditions and other factors. During the six months ended June 30, 2019 we did not repurchase shares and during the six months ended June 30, 2018 , we repurchased approximately 313,000 shares of our common stock in the open market for a total cost of approximately $7.3 million . As of June 30, 2019 , there was approximately $3.8 million available for future repurchases under the buyback program.

Restructuring (Notes)

Restructuring (Notes)	6 Months Ended
	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Activities Disclosure [Text Block]	Restructuring The following table shows the balances and activity for our restructuring liability (in thousands): Employee Severance and Related Benefits Excess Facilities and Other Costs Total Liability as of December 31, 2018 $ 1,266 $ 591 $ 1,857 Additional restructuring charges 1,301 — 1,301 Reclassification to operating lease liabilities — (557 ) (557 ) Payments (1,874 ) — (1,874 ) Liability as of June 30, 2019 $ 693 $ 34 $ 727 In December 2017, we announced a new organizational structure and plan to improve operating results by increasing organic growth and reducing operating costs, and we initiated restructuring and transition activities to improve operational efficiency, reduce costs and better position the company to drive future revenue growth. These restructuring activities were substantially complete as of June 30, 2018. The total remaining liability under this restructuring plan was $0.5 million and $1.9 million as of June 30, 2019 and December 31, 2018 , respectively. In connection with the acquisition of TTi Global, Inc. in December 2018, we initiated restructuring and transition activities in the first quarter of 2019 to reduce costs and eliminate redundant positions to realize synergies with the acquired business. For the six months ended June 30, 2019 , we recorded $1.3 million of restructuring charges in connection with these activities. The total remaining liability under these restructuring activities was $0.2 million as of June 30, 2019 . We expect the restructuring activities associated with the TTi Global acquisition to be substantially complete by the end of 2019.

Lease

Lease	6 Months Ended
	Jun. 30, 2019
Leases [Abstract]
Leases	Leases We determine at its inception whether an arrangement that provides us control over the use of an asset is a lease. We recognize at lease commencement a right-of-use (ROU) asset and lease liability based on the present value of the future lease payments over the lease term. We have elected not to recognize a ROU asset and lease liability for leases with terms of 12 months or less. Certain of our leases include options to extend the term of the lease or to terminate the lease prior to the end of the initial term. When it is reasonably certain that we will exercise the option, we include the impact of the option in the lease term for purposes of determining total future lease payments. As most of our lease agreements do not explicitly state the discount rate implicit in the lease, we use our incremental borrowing rate on the commencement date to calculate the present value of future payments. Our leases commonly include payments that are based on the Consumer Price Index (CPI) or other similar indices. These variable lease payments are included in the calculation of the ROU asset and lease liability. Other variable lease payments, such as usage-based amounts, are excluded from the ROU asset and lease liability, and are expensed as incurred. In addition to the present value of the future lease payments, the calculation of the ROU asset also includes any deferred rent, lease pre-payments and initial direct costs of obtaining the lease, such as commissions. In addition to the base rent, real estate leases typically contain provisions for common-area maintenance and other similar services, which are considered non-lease components for accounting purposes. For our real estate leases, we apply a practical expedient to include these non-lease components in calculating the ROU asset and lease liability. For all other types of leases, non-lease components are excluded from our ROU assets and lease liabilities and expensed as incurred. We have operating leases for office facilities, vehicles and computer and office equipment. We do not have any finance leases. Lease expense is included in Cost of Revenue and General & Administrative Expenses on the condensed consolidated statements of operations, and is recorded net of immaterial sublease income. The components of lease expense were as follows (in thousands): Three Months Ended June 30, 2019 Six Months Ended June 30, 2019 Operating lease cost $ 2,414 $ 4,871 Short-term lease cost 207 560 Total lease costs $ 2,621 $ 5,431 Supplemental information related to leases was as follows (dollars in thousands): Six Months Ended June 30, 2019 Operating lease right-of-use assets $ 28,867 Current portion of operating lease liabilities $ 9,078 Non-current portion of operating lease liabilities 23,415 Total operating lease liabilities $ 32,493 Cash paid for amounts included in the measurement of operating lease liabilities $ 5,006 Right-of-use assets obtained in exchange for operating lease liabilities $ 2,146 Weighted-average remaining lease term for operating leases (years) 5.8 years Weighted-average discount rate for operating leases 4.77 % The following is a reconciliation of future undiscounted cash flows to the operating lease liabilities on our condensed consolidated balance sheet as of June 30, 2019 (in thousands): Year ended December 31, 2019 (excluding the six months ended June 30, 2019) $ 5,002 2020 8,171 2021 5,809 2022 4,614 2023 4,045 Thereafter 9,810 Total future lease payments 37,451 Less: imputed interest (4,958 ) Present value of future lease payments 32,493 Less: current portion of lease liabilities (9,078 ) Long-term lease liabilities $ 23,415 Under Topic 840, our future minimum payments for all operating lease obligations as of December 31, 2018 were as follows (in thousands): Year ended December 31, 2019 $ 10,646 2020 7,833 2021 5,520 2022 4,528 2023 3,898 Thereafter 8,671 Total $ 41,096

Business Segments

Business Segments	6 Months Ended
	Jun. 30, 2019
Segment Reporting [Abstract]
Business Segments	Business Segments As of June 30, 2019 , we operated through two reportable business segments: (i) Workforce Excellence and (ii) Business Transformation Services. In December 2017, we announced a new organizational structure and plan to improve operating results by increasing organic growth and reducing operating costs. Effective January 1, 2018, we re-organized into two operating segments aligned by complementary service lines and supported by a new business development organization aligned by industry sector. The Workforce Excellence segment includes the majority of the former Learning Solutions and Professional & Technical Services segments. The Business Transformation Services segment includes the majority of the former Performance Readiness Solutions and Sandy Training & Marketing segments. Certain business units transferred between the former operating segments to better align with the service offerings of the two new segments. In addition, effective July 1, 2018, we transferred the management responsibility of certain additional business units between the two operating segments primarily to consolidate our non-technical content design and development businesses into one global digital learning strategies and solutions service line. We have reclassified the segment financial information herein for the prior year periods to reflect the changes in our segment reporting during 2018 and conform to the current year's presentation. Each of our two reportable segments represents an operating segment under ASC Topic 280, Segment Reporting . We test our goodwill at the reporting unit level, or one level below an operating segment, under ASC Topic 350, Intangibles - Goodwill and Other . In connection with the new organizational structure that went into effect on January 1, 2018, we determined that we have four reporting units for purposes of goodwill impairment testing, which represent our four practices which are one level below the operating segments, as discussed below. Our two segments each consist of two global practice areas which are focused on providing similar and/or complementary products and services across our diverse customer base and within targeted markets. Within each practice are various service lines having specific areas of expertise. Marketing and communications, sales, accounting, finance, legal, human resources, information systems and other administrative services are organized at the corporate level. Business development and sales resources are aligned by industry sector to support existing customer accounts and new customer development across both segments. Further information regarding our business segments is discussed below. Workforce Excellence. The Workforce Excellence segment advises and partners with leading organizations in designing, implementing, operating and supporting their talent management and workforce strategies, enabling them to gain greater competitive edge in their markets. This segment consists of two practices: • Managed Learning Services - this practice focuses on creating value for our customers by delivering a suite of talent management and learning design, development, operational and support services that can be delivered as large scale outsourcing arrangements, managed services contracts and project-based service engagements. The Managed Learning Services offerings include strategic learning and development consulting services, digital learning content design and development solutions and a suite of managed learning operations services, including: managed facilitation and delivery, managed training administration and logistics, help desk support, tuition reimbursement management services, event management and vendor management. • Engineering & Technical Services - this practice focuses on capital intensive, inherently hazardous and/or highly complex technical services in support of both U.S. government and global commercial industries. Our products and services include design, development and delivery of technical work-based learning, CapEx (plant launch) initiatives, engineering design and construction management, fabrication, and management services, operational excellence consulting, chemical demilitarization services, homeland security services, emergency management support services along with all forms of technical documentation. We deliver world-class asset management and performance improvement consulting to a host of industries. Our proprietary EtaPRO® Performance and Condition Monitoring System provides a suite of real-time digital solutions for hundreds of facilities and is installed in power-generating units around the world. We also provide thousands of technical courses in a web-based off the shelf delivery format through our GPiLEARN+™ portal. Business Transformation Services. The Business Transformation Services segment works with organizations to execute complex business strategies by linking business systems, process and people’s performance to clear and measurable results. We have a holistic methodology to establishing direction and closing the gap between strategy and execution. Our approach equips business leaders and teams with the tools and capability to deliver high-performance results. This segment consists of two practices: • Sales Enablement - this practice provides custom product sales training and service technical training, primarily to automotive manufacturers, designed to better educate the customer salesforces as well as the service technicians with respect to new product features and designs, in effect rapidly increasing the salesforce and technicians knowledge base and enabling them to address retail customer needs. Furthermore, this segment helps our clients assess their customer relationship marketing strategy and connect with their customers on a one-to-one basis, including custom print and digital publications. We have been a custom product sales and service technical training provider and leader in serving manufacturing customers in the U.S. automotive industry for over 40 years. • Organizational Development - this practice works with organizations to design and execute an integrated people performance system. This translates to helping organizations set strategy, carry that strategy through every level of the organization and ensure that their people have the right skills, knowledge, tools, processes and technology to enable the transformation and achieve business results. Solutions include strategy, leadership, employee engagement and culture consulting, enterprise technology implementation and adoption solutions, and organization design and business performance consulting. We do not allocate the following items to the segments: general & administrative expenses, sales & marketing expenses, restructuring charges, other expense, interest expense, gain on change in fair value of contingent consideration and income tax expense. The following table sets forth the revenue and operating results attributable to each reportable segment and includes a reconciliation of segment revenue to consolidated revenue and operating results to consolidated income before income tax expense (in thousands): Three Months Ended Six Months Ended 2019 2018 2019 2018 Revenue: Workforce Excellence $ 81,059 $ 82,082 $ 160,509 $ 158,528 Business Transformation Services 68,354 51,609 128,377 100,195 $ 149,413 $ 133,691 $ 288,886 $ 258,723 Gross profit: Workforce Excellence $ 13,393 $ 14,927 $ 26,802 $ 26,282 Business Transformation Services 9,566 7,646 17,435 13,970 Total gross profit 22,959 22,573 44,237 40,252 General and administrative expenses 15,402 14,121 31,529 27,980 Sales and marketing expenses 1,906 1,106 3,895 1,831 Restructuring charges 182 2,495 1,301 2,930 Gain on change in fair value of contingent consideration, net 627 894 677 3,446 Operating income 6,096 5,745 8,189 10,957 Interest expense 1,679 (150 ) 3,277 536 Other income (expense) 102 (988 ) 88 (1,152 ) Income before income tax expense $ 4,519 $ 4,907 $ 5,000 $ 9,269

Recent Accounting Standards (Po

Recent Accounting Standards (Policy)	6 Months Ended
	Jun. 30, 2019
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Pronouncements	On January 1, 2019, we adopted Accounting Standards Update (ASU) 2016-02, Leases (Topic 842), which requires the recognition of lease rights and obligations as assets and liabilities on the balance sheet. Previously, lessees were not required to recognize on the balance sheet assets and liabilities arising from operating leases. We adopted Topic 842 using the modified retrospective method of adoption applying the transition provisions at the beginning of the period of adoption, rather than at the beginning of the earliest comparative period presented in these financial statements. As a result, prior period information has not been restated. The new standard provides several optional practical expedients for use in transition. We elected to use what the FASB has deemed the “package of practical expedients,” which allows us not to reassess our previous conclusions about lease identification, lease classification and the accounting treatment for initial direct costs. The ASU also provides several optional practical expedients for the ongoing accounting for leases. We have elected the short-term lease recognition exemption for all leases that qualify, meaning that for leases with terms of twelve months or less, we will not recognize right-of-use (ROU) assets or lease liabilities on our consolidated balance sheet. Additionally, we have elected to use the practical expedient to not separate lease and non-lease components for leases of real estate, meaning that for these leases, the non-lease components are included in the associated ROU asset and lease liability balances on our consolidated balance sheet. The most significant impacts of adopting Topic 842 on our consolidated financial statements were (1) the recognition of new ROU assets and lease liabilities for our operating leases of $31.1 million and $34.9 million , respectively on January 1, 2019, which included reclassifying accrued rent as a component of the ROU asset, and (2) significant new disclosures about our leasing activities, which are provided in Note 13. Topic 842 did not have a material impact on our results of operations or cash flows. In January 2017, the FASB issued ASU No. 2017-04, Simplifying the Test for Goodwill Impairment . The standard will remove step 2 from the goodwill impairment test. Under the ASU, an entity should perform its annual goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value, however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. ASU 2017-04 is effective for public companies for annual reporting periods beginning after December 15, 2019. Early adoption is permitted for goodwill impairment tests performed on testing dates after January 1, 2017. We adopted the standard on January 1, 2019. The adoption of the ASU did not have an effect on our results of operations, financial condition or cash flows. Accounting Standards Not Yet Adopted For a discussion of other accounting standards that have been issued by the FASB but are not yet effective, refer to the Recent Accounting Standards section in our Annual Report on Form 10-K for the year ended December 31, 2018. These standards are not expected to have a material impact on our results of operations, financial condition or cash flows.

Revenue (Tables)

Revenue (Tables)	6 Months Ended
	Jun. 30, 2019
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue	The following series of tables presents our revenue disaggregated by various categories (dollars in thousands). Three Months Ended June 30, Workforce Excellence Business Transformation Services Consolidated 2019 2018 2019 2018 2019 2018 Revenue by type of service: Managed learning services $ 52,253 $ 53,080 $ — $ — $ 52,253 $ 53,080 Engineering & technical services 28,806 29,002 — — 28,806 29,002 Sales enablement — — 44,764 27,799 44,764 27,799 Organizational development — — 23,590 23,810 23,590 23,810 $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Revenue by geographic region: Americas $ 57,799 $ 54,171 $ 52,974 $ 44,513 $ 110,773 $ 98,684 Europe Middle East Africa 22,468 24,466 12,437 9,258 34,905 33,724 Asia Pacific 8,693 7,908 6,696 117 15,389 8,025 Eliminations (7,901 ) (4,463 ) (3,753 ) (2,279 ) (11,654 ) (6,742 ) $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Revenue by client market sector: Automotive $ 2,129 $ 2,962 $ 43,631 $ 28,357 $ 45,760 $ 31,319 Financial & Insurance 19,770 23,042 2,400 3,251 22,170 26,293 Manufacturing 8,416 8,887 5,774 3,760 14,190 12,647 Energy / Oil & Gas 8,687 10,862 1,619 800 10,306 11,662 U.S. Government 9,870 6,513 1,981 2,318 11,851 8,831 U.K. Government 4,357 4,947 — — 4,357 4,947 Information & Communication 4,002 4,091 2,073 2,570 6,075 6,661 Aerospace 7,102 7,110 872 569 7,974 7,679 Electronics Semiconductor 4,093 3,826 340 229 4,433 4,055 Life Sciences 4,996 2,977 1,624 2,527 6,620 5,504 Other 7,637 6,865 8,040 7,228 15,677 14,093 $ 81,059 $ 82,082 $ 68,354 $ 51,609 $ 149,413 $ 133,691 Six Months Ended June 30, Workforce Excellence Business Transformation Services Consolidated 2019 2018 2019 2018 2019 2018 Revenue by type of service: Managed learning services $ 104,071 $ 104,857 $ — $ — $ 104,071 $ 104,857 Engineering & technical services 56,438 53,671 — — 56,438 53,671 Sales enablement — — 81,928 51,649 81,928 51,649 Organizational development — — 46,449 48,546 46,449 48,546 $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723 Revenue by geographic region: Americas $ 112,484 $ 102,871 $ 98,956 $ 85,434 $ 211,440 $ 188,305 Europe Middle East Africa 44,697 49,100 24,120 18,502 68,817 67,602 Asia Pacific 14,835 15,195 11,830 189 26,665 15,384 Eliminations (11,507 ) (8,638 ) (6,529 ) (3,930 ) (18,036 ) (12,568 ) $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723 Revenue by client market sector: Automotive $ 3,822 $ 5,876 $ 79,712 $ 52,603 $ 83,534 $ 58,479 Financial & Insurance 38,397 45,158 4,894 6,318 43,291 51,476 Manufacturing 16,394 18,063 12,084 7,872 28,478 25,935 Energy / Oil & Gas 20,062 18,656 2,802 2,130 22,864 20,786 U.S. Government 19,486 13,031 3,889 4,640 23,375 17,671 U.K. Government 8,412 10,433 — — 8,412 10,433 Information & Communication 7,463 7,712 4,377 4,623 11,840 12,335 Aerospace 13,554 14,914 2,033 1,248 15,587 16,162 Electronics Semiconductor 8,215 7,509 594 280 8,809 7,789 Life Sciences 9,708 4,851 3,739 5,211 13,447 10,062 Other 14,996 12,325 14,253 15,270 29,249 27,595 $ 160,509 $ 158,528 $ 128,377 $ 100,195 $ 288,886 $ 258,723

Earnings Per Share (Tables)

Earnings Per Share (Tables)	6 Months Ended
	Jun. 30, 2019
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The following table presents instruments which were not dilutive and were excluded from the computation of diluted EPS in each period, as well as the dilutive common stock equivalent shares which were included in the computation of diluted EPS: Three Months Ended Six Months Ended 2019 2018 2019 2018 (In thousands) Non-dilutive instruments 181 140 116 73 Dilutive common stock equivalents 33 91 31 92

Acquisitions (Tables)

Acquisitions (Tables)	6 Months Ended
	Jun. 30, 2019
Business Combinations [Abstract]
Summary of changes in recorded amount of contingent consideration	Below is a summary of the changes in the recorded amount of contingent consideration liabilities from December 31, 2018 to June 30, 2019 (dollars in thousands): Liability as of December 31, Change in Fair Value of Contingent Foreign Currency Liability as of June 30, Acquisition: 2018 Additions Payments Consideration Translation 2019 IC Axon $ 594 $ — $ — $ (594 ) $ — $ — McKinney Rogers 83 — — (83 ) — — Total $ 677 $ — $ — $ (677 ) $ — $ —

Intangible Assets (Tables)

Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	Changes in the carrying amount of goodwill by reportable business segment for the six months ended June 30, 2019 were as follows (in thousands): Workforce Excellence Business Transformation Services Total Balance as of December 31, 2018 $ 123,918 $ 52,206 $ 176,124 Purchase accounting adjustment — 75 75 Foreign currency translation 1,115 (56 ) 1,059 Balance as of June 30, 2019 $ 125,033 $ 52,225 $ 177,258
Schedule of Finite-Lived Intangible Assets	The primary assets included in this category and their respective balances were as follows (in thousands): Gross Carrying Amount Accumulated Amortization Net Carrying Amount June 30, 2019 Customer relationships $ 22,212 $ (5,656 ) $ 16,556 Intellectual property and other 4,946 (2,750 ) 2,196 $ 27,158 $ (8,406 ) $ 18,752 December 31, 2018 Customer relationships $ 26,524 $ (8,547 ) $ 17,977 Intellectual property and other 4,936 (1,980 ) 2,956 $ 31,460 $ (10,527 ) $ 20,933

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	6 Months Ended
	Jun. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan	The following table summarizes the pre-tax stock-based compensation expense included in reported net income (in thousands): Three months ended June 30, Six months ended June 30, 2019 2018 2019 2018 Restricted stock units 468 346 725 976 Board of Directors and other stock grants 134 53 231 121 Total stock-based compensation expense $ 602 $ 399 $ 956 $ 1,097

Restructuring (Tables)

Restructuring (Tables)	6 Months Ended
	Jun. 30, 2019
Restructuring and Related Activities [Abstract]
Schedule of Activity in Restructuring Liability	The following table shows the balances and activity for our restructuring liability (in thousands): Employee Severance and Related Benefits Excess Facilities and Other Costs Total Liability as of December 31, 2018 $ 1,266 $ 591 $ 1,857 Additional restructuring charges 1,301 — 1,301 Reclassification to operating lease liabilities — (557 ) (557 ) Payments (1,874 ) — (1,874 ) Liability as of June 30, 2019 $ 693 $ 34 $ 727

Lease (Tables)

Lease (Tables)	6 Months Ended
	Jun. 30, 2019
Leases [Abstract]
Schedule of Lease Expenses	Lease expense is included in Cost of Revenue and General & Administrative Expenses on the condensed consolidated statements of operations, and is recorded net of immaterial sublease income. The components of lease expense were as follows (in thousands): Three Months Ended June 30, 2019 Six Months Ended June 30, 2019 Operating lease cost $ 2,414 $ 4,871 Short-term lease cost 207 560 Total lease costs $ 2,621 $ 5,431
Schedule of Supplemental Information Related to Leases	Supplemental information related to leases was as follows (dollars in thousands): Six Months Ended June 30, 2019 Operating lease right-of-use assets $ 28,867 Current portion of operating lease liabilities $ 9,078 Non-current portion of operating lease liabilities 23,415 Total operating lease liabilities $ 32,493 Cash paid for amounts included in the measurement of operating lease liabilities $ 5,006 Right-of-use assets obtained in exchange for operating lease liabilities $ 2,146 Weighted-average remaining lease term for operating leases (years) 5.8 years Weighted-average discount rate for operating leases 4.77 %
Schedule of Reconciliation of Future Undiscounted Cash Flows to Operating Lease Liabilities After Adoption of 842	The following is a reconciliation of future undiscounted cash flows to the operating lease liabilities on our condensed consolidated balance sheet as of June 30, 2019 (in thousands): Year ended December 31, 2019 (excluding the six months ended June 30, 2019) $ 5,002 2020 8,171 2021 5,809 2022 4,614 2023 4,045 Thereafter 9,810 Total future lease payments 37,451 Less: imputed interest (4,958 ) Present value of future lease payments 32,493 Less: current portion of lease liabilities (9,078 ) Long-term lease liabilities $ 23,415
Schedule of Future Minimum Payments Before Adoption of 842	Under Topic 840, our future minimum payments for all operating lease obligations as of December 31, 2018 were as follows (in thousands): Year ended December 31, 2019 $ 10,646 2020 7,833 2021 5,520 2022 4,528 2023 3,898 Thereafter 8,671 Total $ 41,096

Business Segments (Tables)

Business Segments (Tables)	6 Months Ended
	Jun. 30, 2019
Segment Reporting [Abstract]
Reconciliation of Revenue from Segments to Consolidated	The following table sets forth the revenue and operating results attributable to each reportable segment and includes a reconciliation of segment revenue to consolidated revenue and operating results to consolidated income before income tax expense (in thousands): Three Months Ended Six Months Ended 2019 2018 2019 2018 Revenue: Workforce Excellence $ 81,059 $ 82,082 $ 160,509 $ 158,528 Business Transformation Services 68,354 51,609 128,377 100,195 $ 149,413 $ 133,691 $ 288,886 $ 258,723 Gross profit: Workforce Excellence $ 13,393 $ 14,927 $ 26,802 $ 26,282 Business Transformation Services 9,566 7,646 17,435 13,970 Total gross profit 22,959 22,573 44,237 40,252 General and administrative expenses 15,402 14,121 31,529 27,980 Sales and marketing expenses 1,906 1,106 3,895 1,831 Restructuring charges 182 2,495 1,301 2,930 Gain on change in fair value of contingent consideration, net 627 894 677 3,446 Operating income 6,096 5,745 8,189 10,957 Interest expense 1,679 (150 ) 3,277 536 Other income (expense) 102 (988 ) 88 (1,152 ) Income before income tax expense $ 4,519 $ 4,907 $ 5,000 $ 9,269

Recent Accounting Standards (De

Recent Accounting Standards (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 28,867		$ 0
Operating lease liability	$ 32,493
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 31,100
Operating lease liability		$ 34,900

Revenue - Narrative (Details)

Revenue - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue from Contract with Customer [Abstract]
Percentage of revenues derived from services provided			90.00%
Percentage of revenues derived from other sources			10.00%
Net increase to revenue for adjustments to fixed price contracts	$ 200,000	$ 500,000	$ 900,000	$ 1,000,000
Remaining performance obligations	330,500,000		330,500,000
Remaining performance obligation expected to be recognized in next 12 months, percentage	0.95		0.95
Disaggregation of Revenue [Line Items]
Revenue recognized related to contract liabilities	$ 4,600,000	$ 7,300,000	$ 15,700,000	$ 16,300,000
Minimum
Disaggregation of Revenue [Line Items]
Bill and collection period			60 days
Maximum
Disaggregation of Revenue [Line Items]
Bill and collection period			120 days

Revenue - Revenue by Category (

Revenue - Revenue by Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 149,413	$ 133,691	$ 288,886	$ 258,723
Automotive Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	45,760	31,319	83,534	58,479
Financial and Insurance Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,170	26,293	43,291	51,476
Manufacturing Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	14,190	12,647	28,478	25,935
Energy, Oil and Gas Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	10,306	11,662	22,864	20,786
U.S. Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	11,851	8,831	23,375	17,671
UK Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,357	4,947	8,412	10,433
Information and Communication Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,075	6,661	11,840	12,335
Aerospace Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,974	7,679	15,587	16,162
Electronics Semiconductor Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,433	4,055	8,809	7,789
Life Sciences Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,620	5,504	13,447	10,062
Other Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,677	14,093	29,249	27,595
Managed Learning Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	52,253	53,080	104,071	104,857
Engineering and Technical Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	28,806	29,002	56,438	53,671
Sales Enablement [Member]
Disaggregation of Revenue [Line Items]
Revenue	44,764	27,799	81,928	51,649
Organizational Development [Member]
Disaggregation of Revenue [Line Items]
Revenue	23,590	23,810	46,449	48,546
Reportable Geographical Components [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue	110,773	98,684	211,440	188,305
Reportable Geographical Components [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenue	34,905	33,724	68,817	67,602
Reportable Geographical Components [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,389	8,025	26,665	15,384
Geography Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	(11,654)	(6,742)	(18,036)	(12,568)
Workforce Excellence [Member]
Disaggregation of Revenue [Line Items]
Revenue	81,059	82,082	160,509	158,528
Workforce Excellence [Member] | Automotive Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,129	2,962	3,822	5,876
Workforce Excellence [Member] | Financial and Insurance Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	19,770	23,042	38,397	45,158
Workforce Excellence [Member] | Manufacturing Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,416	8,887	16,394	18,063
Workforce Excellence [Member] | Energy, Oil and Gas Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,687	10,862	20,062	18,656
Workforce Excellence [Member] | U.S. Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,870	6,513	19,486	13,031
Workforce Excellence [Member] | UK Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,357	4,947	8,412	10,433
Workforce Excellence [Member] | Information and Communication Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,002	4,091	7,463	7,712
Workforce Excellence [Member] | Aerospace Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,102	7,110	13,554	14,914
Workforce Excellence [Member] | Electronics Semiconductor Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,093	3,826	8,215	7,509
Workforce Excellence [Member] | Life Sciences Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,996	2,977	9,708	4,851
Workforce Excellence [Member] | Other Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,637	6,865	14,996	12,325
Workforce Excellence [Member] | Managed Learning Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	52,253	53,080	104,071	104,857
Workforce Excellence [Member] | Engineering and Technical Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	28,806	29,002	56,438	53,671
Workforce Excellence [Member] | Sales Enablement [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Workforce Excellence [Member] | Organizational Development [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Workforce Excellence [Member] | Reportable Geographical Components [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue	57,799	54,171	112,484	102,871
Workforce Excellence [Member] | Reportable Geographical Components [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,468	24,466	44,697	49,100
Workforce Excellence [Member] | Reportable Geographical Components [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,693	7,908	14,835	15,195
Workforce Excellence [Member] | Geography Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	(7,901)	(4,463)	(11,507)	(8,638)
Business Transformation Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	68,354	51,609	128,377	100,195
Business Transformation Services [Member] | Automotive Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	43,631	28,357	79,712	52,603
Business Transformation Services [Member] | Financial and Insurance Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,400	3,251	4,894	6,318
Business Transformation Services [Member] | Manufacturing Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,774	3,760	12,084	7,872
Business Transformation Services [Member] | Energy, Oil and Gas Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,619	800	2,802	2,130
Business Transformation Services [Member] | U.S. Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,981	2,318	3,889	4,640
Business Transformation Services [Member] | UK Government Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Business Transformation Services [Member] | Information and Communication Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,073	2,570	4,377	4,623
Business Transformation Services [Member] | Aerospace Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	872	569	2,033	1,248
Business Transformation Services [Member] | Electronics Semiconductor Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	340	229	594	280
Business Transformation Services [Member] | Life Sciences Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,624	2,527	3,739	5,211
Business Transformation Services [Member] | Other Market Sector [Member]
Disaggregation of Revenue [Line Items]
Revenue	8,040	7,228	14,253	15,270
Business Transformation Services [Member] | Managed Learning Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Business Transformation Services [Member] | Engineering and Technical Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Business Transformation Services [Member] | Sales Enablement [Member]
Disaggregation of Revenue [Line Items]
Revenue	44,764	27,799	81,928	51,649
Business Transformation Services [Member] | Organizational Development [Member]
Disaggregation of Revenue [Line Items]
Revenue	23,590	23,810	46,449	48,546
Business Transformation Services [Member] | Reportable Geographical Components [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue	52,974	44,513	98,956	85,434
Business Transformation Services [Member] | Reportable Geographical Components [Member] | EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenue	12,437	9,258	24,120	18,502
Business Transformation Services [Member] | Reportable Geographical Components [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,696	117	11,830	189
Business Transformation Services [Member] | Geography Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ (3,753)	$ (2,279)	$ (6,529)	$ (3,930)

Significant Customers & Conce_2

Significant Customers & Concentration of Credit Risk (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Concentration Risk [Line Items]
Unbilled accounts receivable		$ 119,008		$ 107,673
Single Customer
Concentration Risk [Line Items]
Concentration risk percentage		13.00%
Unbilled accounts receivable		$ 15,500
Single Financial Services Customer
Concentration Risk [Line Items]
Unbilled accounts receivable		$ 23,800
Revenue | Single Customer
Concentration Risk [Line Items]
Concentration risk percentage	15.00%	14.00%
Revenue | Single Financial Services Customer
Concentration Risk [Line Items]
Concentration risk percentage		11.00%	14.00%
Revenue | Automotive Industry
Concentration Risk [Line Items]
Concentration risk percentage		29.00%	23.00%
Revenue | Financial & Insurance Industry [Member]
Concentration Risk [Line Items]
Concentration risk percentage		15.00%	20.00%
Accounts Receivable | Single Financial Services Customer
Concentration Risk [Line Items]
Concentration risk percentage		12.00%

Earnings Per Share (Details)

Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Non-dilutive instruments (shares)	181	140	116	73
Dilutive common stock equivalents (shares)	33	91	31	92

Acquisitions - Narrative (Detai

Acquisitions - Narrative (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Business Acquisition Contingent Consideration Accounts Payable	$ 0	$ 600,000
Business acquisition, contingent consideration other long term liability		$ 100,000

Acquisitions - Schedule of Cont

Acquisitions - Schedule of Contingent Consideration (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019USD ($)
Business Acquisition [Line Items]
Beginning Liability	$ 677
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(677)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	0
IC Axon
Business Acquisition [Line Items]
Beginning Liability	594
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(594)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	0
McKinney Rogers
Business Acquisition [Line Items]
Beginning Liability	83
Additions	0
Payments	0
Change in Fair Value of Contingent Consideration	(83)
Contingent Consideration Foreign Currency Translation	0
Ending Liability	$ 0

Intangible Assets (Details)

Intangible Assets (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 176,124
Goodwill, Purchase Accounting Adjustments	75
Foreign currency translation	1,059
Ending Balance	177,258
Workforce Excellence [Member]
Goodwill [Roll Forward]
Beginning Balance	123,918
Goodwill, Purchase Accounting Adjustments	0
Foreign currency translation	1,115
Ending Balance	125,033
Business Transformation Services [Member]
Goodwill [Roll Forward]
Beginning Balance	52,206
Goodwill, Purchase Accounting Adjustments	75
Foreign currency translation	(56)
Ending Balance	$ 52,225

Intangible Assets (Details 1)

Intangible Assets (Details 1) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 27,158	$ 31,460
Accumulated Amortization	(8,406)	(10,527)
Net Carrying Amount	18,752	20,933
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,212	26,524
Accumulated Amortization	(5,656)	(8,547)
Net Carrying Amount	16,556	17,977
Intellectual property and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,946	4,936
Accumulated Amortization	(2,750)	(1,980)
Net Carrying Amount	$ 2,196	$ 2,956

Stock-Based Compensation (Detai

Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 602	$ 399	$ 956	$ 1,097
Board of Directors and other stock grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	134	53	231	121
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 468	$ 346	$ 725	$ 976

Debt and Financial Instruments

Debt and Financial Instruments (Details Textual) - USD ($)	Nov. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Short-term Debt [Line Items]
Long-term debt		$ 119,650,000		$ 116,500,000
Debt Issuance Costs, Net		1,300,000
Financing Security Agreement [Member] | Base Rate [Member] | Minimum
Short-term Debt [Line Items]
Interest rate spread	25.00%
Financing Security Agreement [Member] | Base Rate [Member] | Maximum
Short-term Debt [Line Items]
Interest rate spread	125.00%
Financing Security Agreement [Member] | LIBOR
Short-term Debt [Line Items]
Interest rate spread	100.00%
Financing Security Agreement [Member] | LIBOR | Minimum
Short-term Debt [Line Items]
Interest rate spread	125.00%
Financing Security Agreement [Member] | LIBOR | Maximum
Short-term Debt [Line Items]
Interest rate spread	225.00%
Financing Security Agreement [Member] | Overnight Bank Funding Rate [Member]
Short-term Debt [Line Items]
Interest rate spread	50.00%
Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Available borrowings		$ 14,200,000
Weighted average interest rate		4.70%	3.70%
Revolving Credit Facility [Member] | Financing Security Agreement [Member] | Line of Credit [Member]
Short-term Debt [Line Items]
Borrowing capacity	$ 200,000,000
Revolving Credit Facility [Member] | Financing Security Agreement [Member] | Foreign Line of Credit [Member]
Short-term Debt [Line Items]
Borrowing capacity	20,000,000
Revolving Credit Facility [Member] | Financing Security Agreement [Member] | Accordion Feature [Member]
Short-term Debt [Line Items]
Borrowing capacity	100,000,000
Revolving Credit Facility [Member] | Financing Security Agreement [Member] | Letter of Credit [Member]
Short-term Debt [Line Items]
Borrowing capacity	20,000,000
Revolving Credit Facility [Member] | Financing Security Agreement [Member] | Swing Line Loan Credit [Member]
Short-term Debt [Line Items]
Borrowing capacity	$ 20,000,000

Income Taxes (Details Textual)

Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 1,300	$ 1,332	$ 1,447	$ 3,062
Effective income tax rate			28.90%	33.00%
Increase in provisional estimate of one-time transition tax related to Tax Act			$ 900

Stockholders' Equity (Details)

Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2019
Class of Stock [Line Items]
Stock Repurchased During Period, Shares		313,000
Stock Repurchased During Period, Value	$ 33	$ 7,294
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 3,800

Restructuring - Restructuring R

Restructuring - Restructuring Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Restructuring Reserve [Roll Forward]
Restructuring Reserve			$ 1,857
Restructuring charges	$ 182	$ 2,495	1,301	$ 2,930
Reclassification to operating lease liabilities			(557)
Payments for Restructuring			(1,874)
Restructuring Reserve	727		727
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,266
Restructuring charges			1,301
Reclassification to operating lease liabilities			0
Payments for Restructuring			(1,874)
Restructuring Reserve	693		693
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			591
Restructuring charges			0
Reclassification to operating lease liabilities			(557)
Payments for Restructuring			0
Restructuring Reserve	$ 34		$ 34

Restructuring - Narrative (Deta

Restructuring - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 1,300
Restructuring Reserve	727	$ 1,857
2018 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	500	$ 1,900
2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 200

Lease - Schedule of Lease Expen

Lease - Schedule of Lease Expenses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Leases [Abstract]
Operating lease cost	$ 2,414	$ 4,871
Short-term lease cost	207	560
Total lease costs	$ 2,621	$ 5,431

Lease - Schedule of Supplementa

Lease - Schedule of Supplemental Information Related to Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease right-of-use assets	$ 28,867	$ 0
Current portion of operating lease liabilities	9,078	0
Non-current portion of operating lease liabilities	23,415	$ 0
Total operating lease liabilities	32,493
Cash paid for amounts included in the measurement of operating lease liabilities	5,006,000
Right-of-use assets obtained in exchange for operating lease liabilities	$ 2,146,000
Weighted-average remaining lease term for operating leases (years)	5 years 9 months 30 days
Weighted-average discount rate for operating leases	4.77%

Lease - Schedule of Reconciliat

Lease - Schedule of Reconciliation of Future Undiscounted Cash Flows to Operating Lease Liabilities After Adoption of 842 (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Lease Liabilities, Payments Due [Abstract]
2019 (excluding the six months ended June 30, 2019)	$ 5,002
2020	8,171
2021	5,809
2022	4,614
2023	4,045
Thereafter	9,810
Total future lease payments	37,451
Less: imputed interest	(4,958)
Total operating lease liabilities	32,493
Less: current portion of lease liabilities	(9,078)	$ 0
Long-term portion of operating lease liabilities	$ 23,415	$ 0

Lease - Schedule of Future Mini

Lease - Schedule of Future Minimum Payments Before Adoption of 842 (Details) $ in Thousands	Dec. 31, 2018USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 10,646
2020	7,833
2021	5,520
2022	4,528
2023	3,898
Thereafter	8,671
Total	$ 41,096

Business Segments (Details)

Business Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019USD ($)practice_area	Jun. 30, 2018USD ($)	Jun. 30, 2019USD ($)reporting_unitsegmentpractice_area	Jun. 30, 2018USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment			2
Segment Reporting Information [Line Items]
Revenue	$ 149,413	$ 133,691	$ 288,886	$ 258,723
Gross Profit	22,959	22,573	44,237	40,252
General and administrative expenses	15,402	14,121	31,529	27,980
Sales and marketing expenses	1,906	1,106	3,895	1,831
Restructuring charges	182	2,495	1,301	2,930
Gain on change in fair value of contingent consideration, net	627	894	677	3,446
Operating income	6,096	5,745	8,189	10,957
Other income (expense)	102	(988)	88	(1,152)
Income before income tax expense	$ 4,519	4,907	$ 5,000	9,269
Number of reporting units | reporting_unit			4
Number of practice areas | practice_area	4		4
Workforce Excellence [Member]
Segment Reporting Information [Line Items]
Revenue	$ 81,059	82,082	$ 160,509	158,528
Gross Profit	$ 13,393	14,927	$ 26,802	26,282
Number of practice areas | practice_area	2		2
Business Transformation Services [Member]
Segment Reporting Information [Line Items]
Revenue	$ 68,354	51,609	$ 128,377	100,195
Gross Profit	$ 9,566	7,646	$ 17,435	13,970
Number of practice areas | practice_area	2		2
Operating Segments
Segment Reporting Information [Line Items]
Revenue	$ 149,413	133,691
Revenues			$ 288,886	258,723
Operating Segments | Workforce Excellence [Member]
Segment Reporting Information [Line Items]
Revenue	81,059	82,082
Revenues			160,509	158,528
Operating Segments | Business Transformation Services [Member]
Segment Reporting Information [Line Items]
Revenue	$ 68,354	$ 51,609
Revenues			$ 128,377	$ 100,195

Uncategorized Items - gpx-20190

Label	Element	Value
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ 187,658,000
Additional Paid-in Capital [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	107,256,000
Retained Earnings [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	106,203,000
Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	172,000
AOCI Attributable to Parent [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	(14,855,000)
Treasury Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	(11,118,000)
Accounting Standards Update 2014-09 [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(396,000)
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (396,000)