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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2018	Oct. 26, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Trading Symbol	HSTM
Entity Registrant Name	HEALTHSTREAM INC
Entity Central Index Key	0001095565
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		32,325,409

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 130,283	$ 84,768
Marketable securities	44,025	46,350
Accounts receivable, net of allowance for doubtful accounts of $1,112 and $1,979 at September 30, 2018 and December 31, 2017, respectively	28,835	36,691
Accounts receivable - unbilled	2,597	1,327
Prepaid royalties, net of amortization	14,205	16,137
Other prepaid expenses and other current assets	10,714	8,330
Current assets of discontinued operations		6,125
Total current assets	230,659	199,728
Property and equipment, net of accumulated depreciation of $28,497 and $24,392 at September 30, 2018 and December 31, 2017, respectively	8,683	8,092
Capitalized software development, net of accumulated amortization of $44,316 and $37,174 at September 30, 2018 and December 31, 2017, respectively	16,770	16,014
Goodwill	86,144	86,144
Deferred tax assets		45
Deferred commissions	13,474
Non-marketable equity investments	3,359	3,772
Other assets	761	754
Long-term assets of discontinued operations		28,073
Total assets	421,500	411,119
Current liabilities:
Accounts payable and accrued expenses	20,135	16,507
Accrued royalties	15,223	12,849
Deferred revenue	62,151	64,938
Current liabilities of discontinued operations		6,772
Total current liabilities	97,509	101,066
Deferred tax liabilities	5,082
Deferred revenue, noncurrent	2,333	6,287
Other long term liabilities	882	1,048
Long-term liabilities of discontinued operations		2,548
Commitments and contingencies
Shareholders’ equity:
Common stock, no par value, 75,000 shares authorized; 32,325 and 31,908 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively	286,128	282,666
Retained earnings	29,583	17,542
Accumulated other comprehensive loss	(17)	(38)
Total shareholders’ equity	315,694	300,170
Total liabilities and shareholders’ equity	421,500	411,119
Customer-Related Intangible Assets [Member]
Current assets:
Intangible assets, net	55,022	59,681
Other Intangible Assets [Member]
Current assets:
Intangible assets, net	$ 6,628	$ 8,816

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Allowance for doubtful accounts, net	$ 1,112	$ 1,979
Accumulated depreciation on property and equipment	28,497	24,392
Accumulated amortization on capitalized software development	$ 44,316	$ 37,174
Common stock, no par value
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	32,325,000	31,908,000
Common stock, shares outstanding	32,325,000	31,908,000
Customer-Related Intangible Assets [Member]
Accumulated amortization on intangible assets	$ 21,692	$ 17,033
Other Intangible Assets [Member]
Accumulated amortization on intangible assets	$ 9,896	$ 7,708

Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Revenues, net	$ 59,925	$ 54,743	$ 171,791	$ 159,630
Operating costs and expenses:
Cost of revenues (excluding depreciation and amortization)	25,102	22,523	70,586	64,898
Product development	6,600	6,002	19,149	17,929
Sales and marketing	8,559	9,145	26,536	27,764
Other general and administrative expenses	8,997	8,371	24,769	23,269
Depreciation and amortization	6,006	5,971	18,097	17,874
Total operating costs and expenses	55,264	52,012	159,137	151,734
Operating income	4,661	2,731	12,654	7,896
Other (loss) income, net	(548)	186	241	481
Income from continuing operations before income tax provision	4,113	2,917	12,895	8,377
Income tax provision	1,077	1,182	2,575	2,709
Income from continuing operations	3,036	1,735	10,320	5,668
Income (loss) from discontinued operations before income tax provision		1,238	(64)	762
Gain on sale of discontinued operations			29,490
Income tax provision		469	10,319	374
Income from discontinued operations		769	19,107	388
Net Income	$ 3,036	$ 2,504	$ 29,427	$ 6,056
Continuing operations	$ 0.09	$ 0.06	$ 0.32	$ 0.18
Discontinued operations		0.02	0.59	0.01
Earnings per share - basic	0.09	0.08	0.91	0.19
Continuing operations	0.09	0.06	0.32	0.18
Discontinued operations		0.02	0.59	0.01
Earnings per share - diluted	$ 0.09	$ 0.08	$ 0.91	$ 0.19
Weighted average shares of common stock outstanding:
Basic	32,322	31,893	32,244	31,848
Diluted	32,415	32,217	32,308	32,183
Dividends declared per share			$ 1.00

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 3,036	$ 2,504	$ 29,427	$ 6,056
Other comprehensive income, net of taxes:
Unrealized gain on marketable securities	16	16	21	31
Total other comprehensive income	16	16	21	31
Comprehensive income	$ 3,052	$ 2,520	$ 29,448	$ 6,087

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 9 months ended Sep. 30, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2017	$ 300,170	$ 282,666	$ 17,542	$ (38)
Beginning balance, shares at Dec. 31, 2017	31,908	31,908
Cumulative effect of accounting change	$ 15,132		15,132
Net income	29,427		29,427
Comprehensive income	21			21
Dividends declared on common stock ($1.00 per share)	(32,518)		(32,518)
Stock based compensation	1,215	$ 1,215
Common stock issued under stock plans, net of shares withheld for employee taxes	2,247	$ 2,247
Common stock issued under stock plans, net of shares withheld for employee taxes, shares		417
Ending balance at Sep. 30, 2018	$ 315,694	$ 286,128	$ 29,583	$ (17)
Ending balance, shares at Sep. 30, 2018	32,325	32,325

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Condensed Consolidated Statement of Shareholders' Equity (Unaudited) (Parenthetical)	9 Months Ended
	Sep. 30, 2018 $ / shares
Statement Of Stockholders Equity [Abstract]
Dividends per share common stock	$ 1.00

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES:
Net income	$ 29,427	$ 6,056
Income from discontinued operations	(19,107)	(388)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,097	17,874
Stock-based compensation	1,306	1,241
Provision for doubtful accounts	690	820
Deferred income taxes	661	710
(Gain) loss on non-marketable equity investments	(25)	5
Change in fair value of cost method investments	1,271
Other	(22)	351
Changes in operating assets and liabilities:
Accounts and unbilled receivables	5,865	4,422
Prepaid royalties	1,030	1,006
Other prepaid expenses and other current assets	(682)	7
Other assets	(927)	(128)
Accounts payable and accrued expenses	(10,811)	1,750
Accrued royalties	2,373	91
Deferred revenue	658	(1,464)
Net cash provided by continuing operating activities	29,804	32,353
Net cash (used in) provided by discontinued operating activities	(1,003)	3,310
Net cash provided by operating activities	28,801	35,663
INVESTING ACTIVITIES:
Proceeds from sale of discontinued operations	57,827
Proceeds from maturities of marketable securities	59,452	69,566
Purchases of marketable securities	(57,085)	(79,290)
Payments to acquire cost method investments	(833)	(500)
Payments associated with capitalized software development	(8,042)	(7,480)
Purchases of property and equipment	(4,342)	(4,828)
Net cash provided by (used in) continuing investing activities	46,977	(22,532)
Net cash used in discontinued investing activities	(115)	(2,217)
Net cash provided by (used in) investing activities	46,862	(24,749)
FINANCING ACTIVITIES:
Proceeds from exercise of stock options	2,582	322
Taxes paid related to net settlement of equity awards	(335)	(410)
Payment of earn-outs related to prior acquisitions	(38)
Payment of cash dividends	(32,357)
Net cash used in continuing financing activities	(30,148)	(88)
Net cash used in financing activities	(30,148)	(88)
Net increase in cash and cash equivalents	45,515	10,826
Cash and cash equivalents at beginning of period	84,768	49,634
Cash and cash equivalents at end of period	$ 130,283	$ 60,460

Basis of Presentation	9 Months Ended
Basis of Presentation	Sep. 30, 2018
Accounting Policies [Abstract]
Basis of Presentation	1. BASIS OF PRESENTATION The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“US GAAP”) for interim financial information and with the instructions to Form 10‑Q and Article 10 of Regulation S‑X. Accordingly, condensed consolidated financial statements do not include all of the information and footnotes required by US GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. All intercompany transactions have been eliminated in consolidation. Operating results for the three and nine months ended September 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018. On February 12, 2018, the Company divested its Patient Experience (“PX”) business to Press Ganey Associates, Inc. (“Press Ganey”). The sale of the PX business resulted in the divestiture of the Company’s patient experience solutions business segment. The Company has classified the results of its previously owned PX business as discontinued operations in its condensed consolidated statements of income and cash flows for all periods presented. Additionally, the related assets and liabilities are reported as assets and liabilities of discontinued operations in the Company’s condensed consolidated balance sheet as of December 31, 2017. See Note 8 for additional information. The condensed consolidated balance sheet at December 31, 2017 was derived from the audited consolidated financial statements at that date and adjusted for discontinued operations as noted above but does not include all of the information and footnotes required by US GAAP for a complete set of financial statements. For further information, refer to the consolidated financial statements and footnotes thereto for the year ended December 31, 2017 (included in the Company's Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 26, 2018).

Recent Accounting Pronouncements	9 Months Ended
Recent Accounting Pronouncements	Sep. 30, 2018
Accounting Changes And Error Corrections [Abstract]
Recent Accounting Pronouncements	2. RECENT ACCOUNTING PRONOUNCEMENTS Accounting Standards Recently Adopted In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (referred to as Accounting Standards Codification (“ASC”) Topic 606, or “ASC 606”). This guidance supersedes the revenue recognition requirements in ASC Topic 605, Revenue Recognition (“ASC 605”), and most industry-specific revenue recognition guidance throughout the Industry Topics of the ASC. The updated guidance states that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASC 606 also includes Subtopic 340-40, Other Assets and Deferred Costs – Contracts with Customers, which requires deferral of incremental costs of obtaining a contract with a customer. Collectively, ASC 606 and Subtopic 340-40 are referred to as the “new standard.” The Company adopted the new standard effective January 1, 2018 utilizing the modified retrospective approach. Adoption of the new standard resulted in changes to the Company’s accounting policies for revenue recognition, trade and other receivables, and deferred commissions. See Note 3 for additional information regarding the new standard and its impact on the Company’s balance sheet and statements of income. In January 2016, the FASB issued ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10), which addresses certain aspects of the recognition, measurement, presentation, and disclosure of financial instruments. The guidance, among other things, requires equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. The Company adopted ASU 2016-01 effective January 1, 2018 on a prospective basis. See Note 11 for additional information regarding ASU 2016-01 and its impact on the Company’s balance sheet and statements of income. Accounting Standards Not Yet Adopted In February 2016, the FASB issued ASU 2016-02, Leases (“ASC 842”), which requires lessees to recognize assets and liabilities for most leases. The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee is not expected to significantly change under such guidance. The standard will be effective for the first interim period within annual reporting periods beginning after December 15, 2018, such that this standard will be effective January 1, 2019 for the Company. The Company is in the process of implementing the standard in preparation for the January 1, 2019 adoption date, and has identified that the standard is expected to result in changes to current accounting policies, processes, and internal controls, with the most significant impact being to the balance sheet as a result of recognizing right of use assets and liabilities for real estate leases; however, the Company has not yet completed its assessment of the financial impact of the Company’s adoption of this accounting standard on its future consolidated financial statements. 2. RECENT ACCOUNTING PRONOUNCEMENTS (continued) In June 2016, the FASB issued ASU 2016-03, Financial Instruments—Credit Losses (“ASC 326”): Measurement of Credit Losses on Financial Instruments, which amends guidance on reporting credit losses for assets held at amortized cost basis and available for sale debt securities. For assets held at amortized cost basis, ASC 326 eliminates the probable initial recognition threshold in current GAAP and, instead, requires an entity to reflect its current estimate of all expected credit losses. The standard will be effective for the first interim period within annual reporting periods beginning after December 15, 2019. The Company will adopt this ASU on January 1, 2020 and is currently evaluating the impact that adoption of this ASU will have on the Company’s consolidated financial position and results of operations.

Revenue Recognition And Sales Commissions

9 Months Ended

Sep. 30, 2018

Revenue From Contract With Customer [Abstract]

Revenue Recognition And Sales Commissions

3. REVENUE RECOGNITION AND SALES COMMISSIONS

Adoption of ASC 606, Revenue from Contracts with Customers

On January 1, 2018, the Company adopted the new standard using the modified retrospective approach applied to contracts not completed as of January 1, 2018. As such, results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts continue to be reported in accordance with ASC 605.

The cumulative effect of the changes made to the Company’s consolidated January 1, 2018 balance sheet in connection with the adoption of ASC 606 was as follows (in thousands):

Balance Sheet	Balance at December 31, 2017		ASC 606 Adjustments			Balance at January 1, 2018
Assets
Unbilled receivables	$	1,327	$	31		$	1,358
Prepaid royalties, net		16,137		(902	)		15,235
Other prepaid expenses and other current assets		8,330		(2,900	)		5,430
Current assets of discontinued operations		6,125		(274	)		5,851
Deferred commissions		—		12,552			12,552
Deferred tax assets		45		(45	)		—
Non-current assets of discontinued operations		28,073		3,166			31,239

Liabilities
Deferred revenue, current		64,938		(4,488	)		60,450
Current liabilities of discontinued operations		6,772		(1,374	)		5,398
Deferred tax liabilities		—		5,205			5,205
Deferred revenue, noncurrent		6,287		(2,848	)		3,439

Shareholders’ equity
Retained earnings		17,542		15,132			32,674

The impact of adopting ASC 606 on the Company’s condensed consolidated balance sheet as of September 30, 2018 and statements of income for the three and nine months ended September 30, 2018 was as follows (in thousands):

	September 30, 2018
Balance Sheet	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Assets
Prepaid royalties, net	$	14,205	$	15,375	$	(1,170	)
Other prepaid expenses and other current assets		10,714		12,459		(1,745	)
Deferred commissions		13,474		—		13,474

Liabilities
Deferred revenue, current		62,151		66,885		(4,734	)
Deferred revenue, noncurrent		2,333		5,673		(3,340	)

Shareholders’ equity
Retained earnings		29,583		27,577		2,006

3. REVENUE RECOGNITION AND SALES COMMISSIONS (continued)

	Three Months Ended September 30, 2018
Income Statement	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Revenues, net	$	59,925	$	59,291	$	634

Costs and expenses
Cost of revenues (excluding depreciation and amortization)		25,102		25,154		(52	)
Sales and marketing		8,559		8,982		(423	)
Operating income		4,661		3,552		1,109
Income from continuing operations before income tax provision		4,113		3,004		1,109
Income tax provision		1,077		787		290
Income from continuing operations		3,036		2,217		819
Net income		3,036		2,217		819

	Nine Months Ended September 30, 2018
Income Statement	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Revenues, net	$	171,791	$	171,053	$	738

Costs and expenses
Cost of revenues (excluding depreciation and amortization)		70,586		70,318		268
Sales and marketing		26,536		28,572		(2,036	)
Operating income		12,654		10,148		2,506
Income from continuing operations before income tax provision		12,895		10,389		2,506
Income tax provision		2,575		2,075		500
Income from continuing operations		10,320		8,314		2,006
Net income		29,427		27,421		2,006

Revenue Recognition

Revenues are recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration the Company expects to be entitled in exchange for transferring those goods or services.

Revenue is recognized based on the following five step model:

•

Identification of the contract with a customer

•

Identification of the performance obligations in the contract

•

Determination of the transaction price

•

Allocation of the transaction price to the performance obligations in the contract

•

Recognition of revenue when, or as, the Company satisfies a performance obligation

The following table represents revenues included in continuing operations disaggregated by revenue source for the three and nine months ended September 30, 2018 (in thousands). Sales taxes are excluded from revenues.

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
Business Segments	Workforce Solutions		Provider Solutions		Consolidated		Workforce Solutions		Provider Solutions		Consolidated
Subscription/SaaS services	$	47,639	$	8,521	$	56,160	$	137,083	$	26,221	$	163,304
Professional services		1,489		2,276		3,765		3,960		4,527		8,487
Total revenues, net	$	49,128	$	10,797	$	59,925	$	141,043	$	30,748	$	171,791

3. REVENUE RECOGNITION AND SALES COMMISSIONS (continued)

Subscription/SaaS services revenues primarily consist of fees that provide customers access to one or more of our SaaS-based solutions and/or courseware subscriptions, which include routine customer support and technology enhancements. Revenue is generally recognized over time during the contract term beginning when the service is made available to the customer. Subscription/SaaS contracts are generally non-cancelable, one to five years in length, and billed annually, semi-annually, quarterly, or monthly in advance.

Professional services revenues primarily consist of fees for implementation services, custom courseware development, and training. The majority of our professional services contracts are billed in advance based on a fixed price basis, and revenue is recognized over time as the services are performed. For both subscription/SaaS services and professional services, the time between billing the customer and when performance obligations are satisfied is not significant.

Our contracts with customers often contain multiple performance obligations. For these contracts, the Company accounts for individual performance obligations separately if they are distinct. The contract price, which represents transaction price, is allocated to the separate performance obligations on a relative standalone selling price basis. We generally determine standalone selling prices based on the standard list price for each product, taking into consideration certain factors, including contract length and the number of subscribers within the contract.

We receive payments from customers based on billing schedules established in our contracts. Accounts receivable - unbilled represent contract assets related to our conditional right to consideration for subscription/SaaS and professional services contracts where performance has occurred under the contract. Accounts receivable are primarily comprised of trade receivables that are recorded at the invoice amount, net of an allowance for doubtful accounts, when the right to consideration becomes unconditional.

Other receivables, which are included within Accounts Receivable, include receivables from certain content partners and are not material. For the three months ended September 30, 2018 and 2017, the Company recognized $300,000 and $350,000 in impairment losses on receivables and contract assets arising from the Company’s contracts with customers. For the nine months ended September 30, 2018 and 2017, the Company recognized $690,000 and $820,000 in impairment losses on receivables and contract assets arising from the Company’s contracts with customers.

Deferred revenue represents contract liabilities that are recorded when cash payments are received or are due in advance of our satisfaction of performance obligations. During the three and nine months ended September 30, 2018, we recognized revenues of approximately $32.4 million and $59.0 million from amounts included in deferred revenue at the beginning of the period. As of September 30, 2018, approximately $370 million of revenue is expected to be recognized from remaining performance obligations under contract with customers. We expect to recognize revenue on approximately 46% of these remaining performance obligations over the next 12 months, with the remaining amounts recognized thereafter.

Sales Commissions

Sales commissions earned by our sales organization are considered incremental and recoverable costs of obtaining a contract with a customer. The Company’s sales commission plans for 2018 typically include multiple payments, including initial payments in the period a customer contract is obtained and subsequent payments either 15 or 27 months after the initial payment. Under ASC 606, costs to acquire contracts with customers, such as the initial sales commission payment, are capitalized and amortized consistent with the pattern of revenue recognition, whereas subsequent sales commission payments which require a substantive performance condition of the employee are expensed ratably through the payment date. In contrast, under ASC 605, initial sales commission payments were expensed in the period earned. Under ASC 606, the initial commission payments are capitalized in the period a customer contract is obtained and are amortized consistent with the transfer of the goods or services to the customer over the expected period of benefit. The capitalized contract cost is included in Deferred commissions in the accompanying condensed consolidated balance sheet. The expected period of benefit is the contract term, except when the capitalized commission is expected to provide economic benefit to the Company for a period longer than the contract term, such as for new customer or incremental sales where renewals are expected and renewal commissions are not commensurate with initial commissions. Non-commensurate commissions are amortized over the greater of the contract term or expected customer relationship period, limited by the technological obsolescence period of approximately three years. The Company recorded amortization of deferred commissions of approximately $2.0 million and $5.7 million for the three and nine months ended September 30, 2018, respectively, which is included in Sales and marketing expenses in the accompanying condensed consolidated statements of income.

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	4. INCOME TAXES Income taxes are accounted for using the asset and liability method, whereby deferred tax assets and liabilities are determined based on the temporary differences between the financial statement and tax bases of assets and liabilities measured at tax rates that will be in effect for the year in which the differences are expected to affect taxable income. During the three months ended September 30, 2018 and 2017, the Company recorded a provision for income taxes from continuing operations of approximately $1.1 million and $1.2 million, respectively. During the nine months ended September 30, 2018 and 2017, the Company recorded a provision for income taxes from continuing operations of approximately $2.6 million and $2.7 million, respectively. The Company’s effective tax rate for continuing operations for the nine months ended September 30, 2018 and 2017 was 20% and 32%, respectively. During the nine months ended September 30, 2018 and 2017, the Company recorded excess tax benefits primarily from stock option exercises of approximately $692,000 and $428,000, respectively, as a component of the provision for income taxes. The Company’s effective tax rate primarily reflects the statutory corporate income tax rate, the net effect of state taxes, and the effect of various permanent tax differences. In December 2017, the Tax Cuts and Jobs Act ("Tax Act") was enacted into law, significantly changing income tax law that affects U.S corporations. Key changes included a corporate tax rate reduction from 35 percent to 21 percent effective January 1, 2018, expensing of certain qualified property, significant changes to the U.S international tax system such as a one-time transition tax on accumulated foreign earnings, and changing how foreign earnings are subject to U.S. tax. The Company was required to recognize the effects of the tax law changes in the period of enactment, including the determination of the transition tax and the re-measurement of deferred taxes as well as to re-assess the realizability of the deferred tax assets. Subsequent to the enactment of the Tax Act, the SEC staff issued Staff Accounting Bulletin No. 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act ("SAB 118"), which allows companies to record provisional amounts related to the effects of the Tax Act to the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete but the company is able to determine a reasonable estimate during a measurement period not to extend beyond one year from the enactment date. Due to the timing of the Tax Act and additional guidance and interpretations that may be issued by the U.S. Treasury Department, the Internal Revenue Service ("IRS"), and other standard-setting bodies in the future, the Company has not completed its analysis of the income tax effects of the Tax Act. Any such provisional estimates will be adjusted during the measurement period defined under SAB 118, based upon the Company's ongoing analysis of its data and tax positions along with new guidance from regulators and interpretations of the law. The Company intends to complete its accounting for the Tax Act in the fourth quarter of 2018 in accordance with the prescribed measurement period under SAB 118.

Stockholders' Equity

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Stockholders' Equity

5. STOCKHOLDERS’ EQUITY

Dividends on Common Stock

On February 12, 2018, the Company’s Board of Directors declared a $1.00 per common share special cash dividend, which was paid on April 3, 2018 to shareholders of record on March 6, 2018.

Stock Based Compensation

The Company has stock awards outstanding under two stock incentive plans: the Company’s 2016 Omnibus Incentive Plan and 2010 Stock Incentive Plan. The Company accounts for its stock based compensation plans using the fair-value based method for costs related to share based payments, including stock options and restricted share units (“RSUs”). During the nine months ended September 30, 2018, the Company issued 83,168 RSUs, subject to service-based time vesting, with a weighted average grant date fair value of $24.70 per share, measured based on the closing fair market value of the Company’s stock on the date of grant. During the nine months ended September 30, 2017, the Company issued 111,039 RSUs, subject to service-based time vesting, with a weighted average grant date fair value of $23.43 per share, measured based on the closing fair market value of the Company’s stock on the date of grant.

During the three months ended June 30, 2018, the Company granted 70,000 performance-based RSUs, the vesting of which occurs over a five year period and is contingent upon continued service and achieving certain performance criteria established by the Compensation Committee on an annual basis. The measurement date for 7,000 of these performance-based RSUs was established during the three months ended September 30, 2018, with a grant date fair value of $29.39 per share, measured based on the closing fair market value of the Company’s stock on the date the performance criteria was established. The performance criteria for the remaining 63,000 performance-based RSUs has not yet been determined and will be established on an annual basis in 2019, 2020, 2021, and 2022, as applicable; therefore, the measurement date for these performance-based RSUs cannot be determined until the performance criteria have been established.

5. STOCKHOLDERS’ EQUITY (continued)

Total stock based compensation expense recognized for the three and nine months ended September 30, 2018 and 2017, which is recorded within continuing operations in the condensed consolidated statements of income, is as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Cost of revenues (excluding depreciation and amortization)	$	10	$	8	$	28	$	29
Product development		72		72		217		204
Sales and marketing		50		35		132		169
Other general and administrative		327		286		929		839
Total stock based compensation expense	$	459	$	401	$	1,306	$	1,241

Earnings Per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

6. EARNINGS PER SHARE

Basic earnings per share is computed by dividing the net income available to common shareholders for the period by the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing the net income available to common shareholders for the period by the weighted average number of potentially dilutive common and common equivalent shares outstanding during the period. Common equivalent shares are composed of incremental common shares issuable upon the exercise of stock options and RSUs subject to vesting. The dilutive effect of common equivalent shares is included in diluted earnings per share by application of the treasury stock method. The total number of common equivalent shares excluded from the calculations of diluted earnings per share, due to their anti-dilutive effect or contingent performance conditions, was approximately 70,000 and 31,000 for the three months ended September 30, 2018 and 2017, respectively, and approximately 100,000 and 68,000 for the nine months ended September 30, 2018 and 2017, respectively.

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2018 and 2017 (in thousands, except per share data):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Income from continuing operations	$	3,036	$	1,735	$	10,320	$	5,668
Income from discontinued operations		—		769		19,107		388
Net income	$	3,036	$	2,504	$	29,427	$	6,056
Denominator:
Weighted-average shares outstanding		32,322		31,893		32,244		31,848
Effect of dilutive shares		93		324		64		335
Weighted-average diluted shares		32,415		32,217		32,308		32,183

Earnings (loss) per share – basic:
Continuing operations	$	0.09	$	0.06	$	0.32	$	0.18
Discontinued operations		—		0.02		0.59		0.01
Earnings per share - basic	$	0.09	$	0.08	$	0.91	$	0.19

Earnings (loss) per share – diluted:
Continuing operations	$	0.09	$	0.06	$	0.32	$	0.18
Discontinued operations		—		0.02		0.59		0.01
Earnings per share - diluted	$	0.09	$	0.08	$	0.91	$	0.19

Marketable Securities

9 Months Ended

Sep. 30, 2018

Investments Debt And Equity Securities [Abstract]

Marketable Securities

7. MARKETABLE SECURITIES

At September 30, 2018 and December 31, 2017, the fair value of marketable securities, which were all classified as available for sale, included the following (in thousands):

	September 30, 2018
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	37,554	$	—	$	(17	)	$	37,537
Government-sponsored enterprise debt securities		6,488		—		—			6,488
Total	$	44,042	$	—	$	(17	)	$	44,025

	December 31, 2017
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	41,900	$	1	$	(39	)	$	41,862
Government-sponsored enterprise debt securities		4,488		1		(1	)		4,488
Total	$	46,388	$	2	$	(40	)	$	46,350

The carrying amounts reported in the condensed consolidated balance sheet approximate the fair value based on quoted market prices or alternative pricing sources and models utilizing market observable inputs. As of September 30, 2018, the Company does not consider any of its marketable securities to be other than temporarily impaired. During the nine months ended September 30, 2018 and 2017, the Company did not reclassify any items out of accumulated other comprehensive income to net income. All investments in marketable securities are classified as current assets on the balance sheet because the underlying securities mature within one year from the balance sheet date.

Discontinued Operations

9 Months Ended

Sep. 30, 2018

Discontinued Operations And Disposal Groups [Abstract]

Discontinued Operations

8. DISCONTINUED OPERATIONS

Patient Experience

On February 12, 2018, the Company divested its PX business to Press Ganey for $65.5 million in cash (without giving effect to the post-closing adjustment based on the working capital of the PX business at closing), resulting in a gain, net of tax, of $19.1 million. Approximately $6.55 million of the proceeds are being held in escrow for a period of time following the closing as a source of recovery for indemnification claims by Press Ganey. The Company estimated the fair value of the contingent consideration asset based on the likelihood of receiving cash proceeds from the escrow. This contingency is remeasured at fair value based on changes in facts each period through the Gain on sale of discontinued operations line within the condensed consolidated statements of income. The sale of the PX business was effected (i) by the contribution by the Company of specified assets and certain liabilities used in the PX business to a newly-formed wholly-owned subsidiary of the Company, and (ii) immediately thereafter, the sale by the Company to Press Ganey of all the outstanding equity interests of such wholly-owned subsidiary. In connection with such contribution, the Company retained certain liabilities related to the PX business.

This sale of the PX business resulted in the divestiture of the Company’s patient experience solutions business segment. The Company has classified the results of its PX business segment as discontinued operations in its condensed consolidated statements of income and cash flows for all periods presented. Additionally, the related assets and liabilities are reported as assets and liabilities of discontinued operations in the Company’s condensed consolidated balance sheet as of December 31, 2017.

The financial results of the PX business for the period prior to divestiture during the nine months ended September 30, 2018 and during the nine months ended September 30, 2017 are presented in discontinued operations in the Company’s condensed consolidated statements of income. The following table presents the financial results of the PX business (in thousands):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2018		2017			2018			2017
Revenues, net	$	—	$	8,809		$	3,342		$	25,273
Operating costs and expenses:
Cost of revenues (excluding depreciation and amortization)		—		4,208			1,982			14,484
Product development		—		988			554			2,701
Sales and marketing		—		972			460			3,347
Other general and administrative expenses		—		792			229			2,353
Depreciation and amortization		—		599			181			1,614
Total operating costs and expenses		—		7,559			3,406			24,499

Operating income (loss)		—		1,250			(64	)		774

Other loss		—		(12	)		—			(12	)

Income (loss) from discontinued operations before income tax provision		—		1,238			(64	)		762
Income tax provision		—		469			—			374
Income (loss) from discontinued operations, net of income taxes	$	—	$	769		$	(64	)	$	388

8. DISCONTINUED OPERATIONS (continued)

The following table presents the aggregate carrying amounts of the classes of assets and liabilities of discontinued operations as of December 31, 2017 (in thousands):

Carrying amounts of assets included as part of discontinued operations:
Accounts receivable, net	$	4,158
Accounts receivable – unbilled		1,275
Prepaid royalties, net of amortization		37
Other prepaid expenses and other current assets		655
Current assets of discontinued operations		6,125

Property and equipment, net		901
Capitalized software development, net		2,683
Goodwill		24,154
Customer-related intangibles, net		276
Other intangible assets, net		42
Other assets		17
Long-term assets of discontinued operations		28,073

Total assets of discontinued operations in the condensed consolidated balance sheet	$	34,198

Carrying amounts of liabilities included as part of discontinued operations:
Accounts payable and accrued expenses	$	2,728
Accrued royalties		27
Deferred revenue		4,017
Current liabilities of discontinued operations		6,772

Deferred tax liabilities		1,971
Deferred revenue, noncurrent		15
Other long term liabilities		562
Long-term liabilities of discontinued operations		2,548

Total liabilities of discontinued operations in the condensed consolidated balance sheet	$	9,320

Business Segments

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Business Segments

9. BUSINESS SEGMENTS

The Company provides services to healthcare organizations and other members within the healthcare industry. The Company’s services are focused on the delivery of workforce development products and services (HealthStream Workforce Solutions) and provider credentialing, privileging, and enrollment products and services (HealthStream Provider Solutions).

As noted above, the sale of the PX business on February 12, 2018 resulted in the divestiture of the Company’s Patient Experience Solutions segment. Beginning with the first quarter of 2018, the Company classified the results of its Patient Experience Solutions segment as discontinued operations in its condensed consolidated statements of income and cash flows for all periods presented. Additionally, the related assets and liabilities associated with the discontinued operations are shown separately in the Company’s condensed consolidated balance sheet as of December 31, 2017. See Note 8 for additional information.

9. BUSINESS SEGMENTS (continued)

The Company measures segment performance based on operating income before income taxes and prior to the allocation of certain corporate overhead expenses, interest income, interest expense, and depreciation. The Unallocated component below includes corporate functions, such as accounting, human resources, legal, investor relations, administrative, and executive personnel, depreciation, a portion of amortization, and certain other expenses, which are not currently allocated in measuring segment performance. The following is the Company’s business segment information for the three and nine months ended September 30, 2018 and 2017 and as of September 30, 2018 and December 31, 2017 (in thousands).

	Three Months Ended September 30,				Nine Months Ended September 30,
Revenues, net:	2018		2017		2018		2017
Workforce Solutions	$	49,128	$	44,603	$	141,043	$	132,561
Provider Solutions		10,797		10,140		30,748		27,069
Total revenues, net	$	59,925	$	54,743	$	171,791	$	159,630

	Three Months Ended September 30,						Nine Months Ended September 30,
Operating income from continuing operations:		2018			2017			2018			2017
Workforce Solutions	$	10,013		$	8,477		$	29,074		$	25,785
Provider Solutions		1,684			934			2,973		$	856
Unallocated		(7,036	)		(6,680	)		(19,393	)	$	(18,745	)
Total operating income from continuing operations	$	4,661		$	2,731		$	12,654		$	7,896

Segment assets *	September 30, 2018		December 31, 2017
Workforce Solutions	$	91,696	$	90,055
Provider Solutions		143,781		150,797
Discontinued operations		—		34,198
Unallocated		186,023		136,069
Total assets	$	421,500	$	411,119

Segment assets include accounts and unbilled receivables, prepaid and other current assets, other assets, capitalized software development, certain property and equipment, and intangible assets. Cash and cash equivalents and marketable securities are not allocated to individual segments, and are included within Unallocated. A significant portion of property and equipment assets are included within Unallocated.

Debt

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Debt

10. DEBT

Revolving Credit Facility

The Company entered into a First Amendment to Revolving Credit Agreement dated as of November 13, 2017, amending the Company’s Revolving Credit Facility, dated as of November 24, 2014 (“Revolving Credit Facility”) with SunTrust Bank (“SunTrust”), which amendment extended the maturity date under the Revolving Credit Facility to November 24, 2018. Under the Revolving Credit Facility, the Company may borrow up to $50.0 million, which includes a $5.0 million swing line subfacility and a $5.0 million letter of credit subfacility, as well as an accordion feature that allows the Company to increase the Revolving Credit Facility by a total of up to $25.0 million, subject to securing additional commitments from existing lenders or new lending institutions. The obligations under the Revolving Credit Facility are guaranteed by each of the Company’s subsidiaries. At the Company’s election, the borrowings under the Revolving Credit Facility bear interest at either (1) a rate per annum equal to the highest of SunTrust’s prime rate or 0.5% in excess of the Federal Funds Rate or 1.0% in excess of one-month LIBOR (the “Base Rate”), plus an applicable margin, or (2) the one, two, three, or six month per annum LIBOR for deposits in the applicable currency (the “Eurocurrency Rate”), as selected by the Company, plus an applicable margin. The applicable margin for Eurocurrency Rate loans depends on the Company’s funded debt leverage ratio and varies from 1.50% to 2.00%. The applicable margin for Base Rate loans depends on the Company’s funded debt leverage ratio and varies from 0.50% to 1.50%. Commitment fees and letter of credit fees are also payable under the Revolving Credit Facility. Principal is payable in full at maturity on November 24, 2018, and there are no scheduled principal payments prior to maturity. The Company is required to pay a commitment fee ranging between 20 and 30 basis points per annum of the average daily unused portion of the Revolving Credit Facility, depending on the Company’s funded debt leverage ratio.

The purpose of the Revolving Credit Facility is for general working capital needs, permitted acquisitions (as defined in the Revolving Credit Facility), and for stock repurchase and/or redemption transactions that the Company may authorize.

10. DEBT (continued)

The Revolving Credit Facility contains certain covenants that, among other things, restrict additional indebtedness, liens and encumbrances, changes to the character of the Company’s business, acquisitions, asset dispositions, mergers and consolidations, sale or discount of receivables, creation or acquisitions of additional subsidiaries, and other matters customarily restricted in such agreements.

In addition, the Revolving Credit Facility requires the Company to meet certain financial tests, including, without limitation:

•	a funded debt leverage ratio (consolidated debt/consolidated EBITDA) of not greater than 3.0 to 1.0; and

•	an interest coverage ratio (consolidated EBITDA/consolidated interest expense) of not less than 3.0 to 1.0.

As of September 30, 2018, the Company was in compliance with all covenants. There were no balances outstanding on the Revolving Credit Facility as of or during the three and nine months ended September 30, 2018.

Non-Marketable Equity Investments	9 Months Ended
Non-Marketable Equity Investments	Sep. 30, 2018
Investments Debt And Equity Securities [Abstract]
Non-Marketable Equity Investments	11. NON-MARKETABLE EQUITY INVESTMENTS Non-marketable equity investments are accounted for using the equity method when the Company can exercise significant influence over the investee. Non-marketable equity investments where the Company is not able to exercise significant influence over the investee are accounted for under the cost method. ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10), became effective for the Company as of January 1, 2018 and requires equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. During the three months ended September 30, 2018, the Company recorded a $1.3 million reduction to the carrying value of a cost method investment due to a change in fair value, based on observable prices from an orderly transaction for a similar investment made in this investee. The fair value adjustment is included in Other (loss) income, net in the accompanying condensed consolidated statements of income. The aggregate carrying amount of all cost method investments was $2.1 million and $2.5 million as of September 30, 2018 and December 31, 2017, respectively, which carrying value we evaluate for impairment at each reporting period. The fair value of a cost method investment is not estimated if there are no identified events or changes in circumstances that may have a significant adverse effect on the fair value of the investment.

Recent Accounting Pronouncements (Policies)	9 Months Ended
Recent Accounting Pronouncements (Policies)	Sep. 30, 2018
Accounting Changes And Error Corrections [Abstract]
Accounting Standards Recently Adopted	Accounting Standards Recently Adopted In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (referred to as Accounting Standards Codification (“ASC”) Topic 606, or “ASC 606”). This guidance supersedes the revenue recognition requirements in ASC Topic 605, Revenue Recognition (“ASC 605”), and most industry-specific revenue recognition guidance throughout the Industry Topics of the ASC. The updated guidance states that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASC 606 also includes Subtopic 340-40, Other Assets and Deferred Costs – Contracts with Customers, which requires deferral of incremental costs of obtaining a contract with a customer. Collectively, ASC 606 and Subtopic 340-40 are referred to as the “new standard.” The Company adopted the new standard effective January 1, 2018 utilizing the modified retrospective approach. Adoption of the new standard resulted in changes to the Company’s accounting policies for revenue recognition, trade and other receivables, and deferred commissions. See Note 3 for additional information regarding the new standard and its impact on the Company’s balance sheet and statements of income. In January 2016, the FASB issued ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10), which addresses certain aspects of the recognition, measurement, presentation, and disclosure of financial instruments. The guidance, among other things, requires equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. The Company adopted ASU 2016-01 effective January 1, 2018 on a prospective basis. See Note 11 for additional information regarding ASU 2016-01 and its impact on the Company’s balance sheet and statements of income.
Accounting Standards Not Yet Adopted	Accounting Standards Not Yet Adopted In February 2016, the FASB issued ASU 2016-02, Leases (“ASC 842”), which requires lessees to recognize assets and liabilities for most leases. The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee is not expected to significantly change under such guidance. The standard will be effective for the first interim period within annual reporting periods beginning after December 15, 2018, such that this standard will be effective January 1, 2019 for the Company. The Company is in the process of implementing the standard in preparation for the January 1, 2019 adoption date, and has identified that the standard is expected to result in changes to current accounting policies, processes, and internal controls, with the most significant impact being to the balance sheet as a result of recognizing right of use assets and liabilities for real estate leases; however, the Company has not yet completed its assessment of the financial impact of the Company’s adoption of this accounting standard on its future consolidated financial statements. 2. RECENT ACCOUNTING PRONOUNCEMENTS (continued) In June 2016, the FASB issued ASU 2016-03, Financial Instruments—Credit Losses (“ASC 326”): Measurement of Credit Losses on Financial Instruments, which amends guidance on reporting credit losses for assets held at amortized cost basis and available for sale debt securities. For assets held at amortized cost basis, ASC 326 eliminates the probable initial recognition threshold in current GAAP and, instead, requires an entity to reflect its current estimate of all expected credit losses. The standard will be effective for the first interim period within annual reporting periods beginning after December 15, 2019. The Company will adopt this ASU on January 1, 2020 and is currently evaluating the impact that adoption of this ASU will have on the Company’s consolidated financial position and results of operations.

Revenue Recognition And Sales Commissions (Tables)

9 Months Ended

Sep. 30, 2018

Revenue From Contract With Customer [Abstract]

Schedule of Cumulative Effect for the Adoption of ASC 606

The cumulative effect of the changes made to the Company’s consolidated January 1, 2018 balance sheet in connection with the adoption of ASC 606 was as follows (in thousands):

Balance Sheet	Balance at December 31, 2017		ASC 606 Adjustments			Balance at January 1, 2018
Assets
Unbilled receivables	$	1,327	$	31		$	1,358
Prepaid royalties, net		16,137		(902	)		15,235
Other prepaid expenses and other current assets		8,330		(2,900	)		5,430
Current assets of discontinued operations		6,125		(274	)		5,851
Deferred commissions		—		12,552			12,552
Deferred tax assets		45		(45	)		—
Non-current assets of discontinued operations		28,073		3,166			31,239

Liabilities
Deferred revenue, current		64,938		(4,488	)		60,450
Current liabilities of discontinued operations		6,772		(1,374	)		5,398
Deferred tax liabilities		—		5,205			5,205
Deferred revenue, noncurrent		6,287		(2,848	)		3,439

Shareholders’ equity
Retained earnings		17,542		15,132			32,674

Schedule of Impact of Adopting of ASC 606 on Condensed Consolidated Balance Sheet and Statements of Income

	September 30, 2018
Balance Sheet	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Assets
Prepaid royalties, net	$	14,205	$	15,375	$	(1,170	)
Other prepaid expenses and other current assets		10,714		12,459		(1,745	)
Deferred commissions		13,474		—		13,474

Liabilities
Deferred revenue, current		62,151		66,885		(4,734	)
Deferred revenue, noncurrent		2,333		5,673		(3,340	)

Shareholders’ equity
Retained earnings		29,583		27,577		2,006

	Three Months Ended September 30, 2018
Income Statement	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Revenues, net	$	59,925	$	59,291	$	634

Costs and expenses
Cost of revenues (excluding depreciation and amortization)		25,102		25,154		(52	)
Sales and marketing		8,559		8,982		(423	)
Operating income		4,661		3,552		1,109
Income from continuing operations before income tax provision		4,113		3,004		1,109
Income tax provision		1,077		787		290
Income from continuing operations		3,036		2,217		819
Net income		3,036		2,217		819

	Nine Months Ended September 30, 2018
Income Statement	As reported		Balances without Adoption of ASC 606		Effect of Change Higher/(Lower)
Revenues, net	$	171,791	$	171,053	$	738

Costs and expenses
Cost of revenues (excluding depreciation and amortization)		70,586		70,318		268
Sales and marketing		26,536		28,572		(2,036	)
Operating income		12,654		10,148		2,506
Income from continuing operations before income tax provision		12,895		10,389		2,506
Income tax provision		2,575		2,075		500
Income from continuing operations		10,320		8,314		2,006
Net income		29,427		27,421		2,006

Schedule of Revenues Included in Continuing Operations Disaggregated by Revenue Source

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
Business Segments	Workforce Solutions		Provider Solutions		Consolidated		Workforce Solutions		Provider Solutions		Consolidated
Subscription/SaaS services	$	47,639	$	8,521	$	56,160	$	137,083	$	26,221	$	163,304
Professional services		1,489		2,276		3,765		3,960		4,527		8,487
Total revenues, net	$	49,128	$	10,797	$	59,925	$	141,043	$	30,748	$	171,791

Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Stock Based Compensation Expense Recognized Within Continuing Operations in Condensed Consolidated Statements of Income

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Cost of revenues (excluding depreciation and amortization)	$	10	$	8	$	28	$	29
Product development		72		72		217		204
Sales and marketing		50		35		132		169
Other general and administrative		327		286		929		839
Total stock based compensation expense	$	459	$	401	$	1,306	$	1,241

Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2018 and 2017 (in thousands, except per share data):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Income from continuing operations	$	3,036	$	1,735	$	10,320	$	5,668
Income from discontinued operations		—		769		19,107		388
Net income	$	3,036	$	2,504	$	29,427	$	6,056
Denominator:
Weighted-average shares outstanding		32,322		31,893		32,244		31,848
Effect of dilutive shares		93		324		64		335
Weighted-average diluted shares		32,415		32,217		32,308		32,183

Earnings (loss) per share – basic:
Continuing operations	$	0.09	$	0.06	$	0.32	$	0.18
Discontinued operations		—		0.02		0.59		0.01
Earnings per share - basic	$	0.09	$	0.08	$	0.91	$	0.19

Earnings (loss) per share – diluted:
Continuing operations	$	0.09	$	0.06	$	0.32	$	0.18
Discontinued operations		—		0.02		0.59		0.01
Earnings per share - diluted	$	0.09	$	0.08	$	0.91	$	0.19

Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2018

Investments Debt And Equity Securities [Abstract]

Fair Value of Available for Sale Marketable Securities

At September 30, 2018 and December 31, 2017, the fair value of marketable securities, which were all classified as available for sale, included the following (in thousands):

	September 30, 2018
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	37,554	$	—	$	(17	)	$	37,537
Government-sponsored enterprise debt securities		6,488		—		—			6,488
Total	$	44,042	$	—	$	(17	)	$	44,025

	December 31, 2017
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value
Level 2:
Corporate debt securities	$	41,900	$	1	$	(39	)	$	41,862
Government-sponsored enterprise debt securities		4,488		1		(1	)		4,488
Total	$	46,388	$	2	$	(40	)	$	46,350

Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2018

Discontinued Operations And Disposal Groups [Abstract]

Schedule of Discontinued Operations, Income Statement, Balance Sheet and Cash Flow Statements

The following table presents the financial results of the PX business (in thousands):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2018		2017			2018			2017
Revenues, net	$	—	$	8,809		$	3,342		$	25,273
Operating costs and expenses:
Cost of revenues (excluding depreciation and amortization)		—		4,208			1,982			14,484
Product development		—		988			554			2,701
Sales and marketing		—		972			460			3,347
Other general and administrative expenses		—		792			229			2,353
Depreciation and amortization		—		599			181			1,614
Total operating costs and expenses		—		7,559			3,406			24,499

Operating income (loss)		—		1,250			(64	)		774

Other loss		—		(12	)		—			(12	)

Income (loss) from discontinued operations before income tax provision		—		1,238			(64	)		762
Income tax provision		—		469			—			374
Income (loss) from discontinued operations, net of income taxes	$	—	$	769		$	(64	)	$	388

The following table presents the aggregate carrying amounts of the classes of assets and liabilities of discontinued operations as of December 31, 2017 (in thousands):

Carrying amounts of assets included as part of discontinued operations:
Accounts receivable, net	$	4,158
Accounts receivable – unbilled		1,275
Prepaid royalties, net of amortization		37
Other prepaid expenses and other current assets		655
Current assets of discontinued operations		6,125

Property and equipment, net		901
Capitalized software development, net		2,683
Goodwill		24,154
Customer-related intangibles, net		276
Other intangible assets, net		42
Other assets		17
Long-term assets of discontinued operations		28,073

Total assets of discontinued operations in the condensed consolidated balance sheet	$	34,198

Carrying amounts of liabilities included as part of discontinued operations:
Accounts payable and accrued expenses	$	2,728
Accrued royalties		27
Deferred revenue		4,017
Current liabilities of discontinued operations		6,772

Deferred tax liabilities		1,971
Deferred revenue, noncurrent		15
Other long term liabilities		562
Long-term liabilities of discontinued operations		2,548

Total liabilities of discontinued operations in the condensed consolidated balance sheet	$	9,320

- Definition

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

Business Segments (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Business Segment Information Based on Net Revenues

The following is the Company’s business segment information for the three and nine months ended September 30, 2018 and 2017 and as of September 30, 2018 and December 31, 2017 (in thousands).

	Three Months Ended September 30,				Nine Months Ended September 30,
Revenues, net:	2018		2017		2018		2017
Workforce Solutions	$	49,128	$	44,603	$	141,043	$	132,561
Provider Solutions		10,797		10,140		30,748		27,069
Total revenues, net	$	59,925	$	54,743	$	171,791	$	159,630

Business Segment Information Based on Operating Income

	Three Months Ended September 30,						Nine Months Ended September 30,
Operating income from continuing operations:		2018			2017			2018			2017
Workforce Solutions	$	10,013		$	8,477		$	29,074		$	25,785
Provider Solutions		1,684			934			2,973		$	856
Unallocated		(7,036	)		(6,680	)		(19,393	)	$	(18,745	)
Total operating income from continuing operations	$	4,661		$	2,731		$	12,654		$	7,896

Business Segment Information Based on Assets

Segment assets *	September 30, 2018		December 31, 2017
Workforce Solutions	$	91,696	$	90,055
Provider Solutions		143,781		150,797
Discontinued operations		—		34,198
Unallocated		186,023		136,069
Total assets	$	421,500	$	411,119

Revenue Recognition and Sales Commissions - Schedule of Cumulative Effect for the Adoption of ASC 606 (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Unbilled receivables	$ 2,597		$ 1,327
Prepaid royalties, net	14,205		16,137
Other prepaid expenses and other current assets	10,714		8,330
Current assets of discontinued operations			6,125
Deferred commissions	13,474
Deferred tax assets			45
Non-current assets of discontinued operations			28,073
Liabilities
Deferred revenue, current	62,151		64,938
Current liabilities of discontinued operations			6,772
Deferred tax liabilities	5,082
Deferred revenue, noncurrent	2,333		6,287
Shareholders’ equity
Retained earnings	29,583		$ 17,542
Accounting Standards Update 2014-09 [Member]
Assets
Unbilled receivables		$ 1,358
Prepaid royalties, net		15,235
Other prepaid expenses and other current assets		5,430
Current assets of discontinued operations		5,851
Deferred commissions		12,552
Non-current assets of discontinued operations		31,239
Liabilities
Deferred revenue, current		60,450
Current liabilities of discontinued operations		5,398
Deferred tax liabilities		5,205
Deferred revenue, noncurrent		3,439
Shareholders’ equity
Retained earnings		32,674
ASC 606 Adjustments [Member] \| Accounting Standards Update 2014-09 [Member]
Assets
Unbilled receivables		31
Prepaid royalties, net	(1,170)	(902)
Other prepaid expenses and other current assets	(1,745)	(2,900)
Current assets of discontinued operations		(274)
Deferred commissions	13,474	12,552
Deferred tax assets		(45)
Non-current assets of discontinued operations		3,166
Liabilities
Deferred revenue, current	(4,734)	(4,488)
Current liabilities of discontinued operations		(1,374)
Deferred tax liabilities		5,205
Deferred revenue, noncurrent	(3,340)	(2,848)
Shareholders’ equity
Retained earnings	$ 2,006	$ 15,132

Revenue Recognition and Sales Commissions - Schedule of Impact of Adopting of ASC 606 on Condensed Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Prepaid royalties, net	$ 14,205		$ 16,137
Other prepaid expenses and other current assets	10,714		8,330
Deferred commissions	13,474
Liabilities
Deferred revenue, current	62,151		64,938
Deferred revenue, noncurrent	2,333		6,287
Shareholders’ equity
Retained earnings	29,583		$ 17,542
Accounting Standards Update 2014-09 [Member]
Assets
Prepaid royalties, net		$ 15,235
Other prepaid expenses and other current assets		5,430
Deferred commissions		12,552
Liabilities
Deferred revenue, current		60,450
Deferred revenue, noncurrent		3,439
Shareholders’ equity
Retained earnings		32,674
Balances without Adoption of ASC 606 [Member] \| Accounting Standards Update 2014-09 [Member]
Assets
Prepaid royalties, net	15,375
Other prepaid expenses and other current assets	12,459
Liabilities
Deferred revenue, current	66,885
Deferred revenue, noncurrent	5,673
Shareholders’ equity
Retained earnings	27,577
ASC 606 Adjustments [Member] \| Accounting Standards Update 2014-09 [Member]
Assets
Prepaid royalties, net	(1,170)	(902)
Other prepaid expenses and other current assets	(1,745)	(2,900)
Deferred commissions	13,474	12,552
Liabilities
Deferred revenue, current	(4,734)	(4,488)
Deferred revenue, noncurrent	(3,340)	(2,848)
Shareholders’ equity
Retained earnings	$ 2,006	$ 15,132

Revenue Recognition and Sales Commissions - Schedule of Impact of Adopting of ASC 606 on Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenues, net	$ 59,925	$ 54,743	$ 171,791	$ 159,630
Costs and expenses
Cost of revenues (excluding depreciation and amortization)	25,102	22,523	70,586	64,898
Sales and marketing	8,559	9,145	26,536	27,764
Operating income	4,661	2,731	12,654	7,896
Income from continuing operations before income tax provision	4,113	2,917	12,895	8,377
Income tax provision	1,077	1,182	2,575	2,709
Income from continuing operations	3,036	1,735	10,320	5,668
Net income	3,036	$ 2,504	29,427	$ 6,056
Balances without Adoption of ASC 606 [Member] \| Accounting Standards Update 2014-09 [Member]
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenues, net	59,291		171,053
Costs and expenses
Cost of revenues (excluding depreciation and amortization)	25,154		70,318
Sales and marketing	8,982		28,572
Operating income	3,552		10,148
Income from continuing operations before income tax provision	3,004		10,389
Income tax provision	787		2,075
Income from continuing operations	2,217		8,314
Net income	2,217		27,421
ASC 606 Adjustments [Member] \| Accounting Standards Update 2014-09 [Member]
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenues, net	634		738
Costs and expenses
Cost of revenues (excluding depreciation and amortization)	(52)		268
Sales and marketing	(423)		(2,036)
Operating income	1,109		2,506
Income from continuing operations before income tax provision	1,109		2,506
Income tax provision	290		500
Income from continuing operations	819		2,006
Net income	$ 819		$ 2,006

Revenue Recognition and Sales Commissions - Schedule of Revenues Included in Continuing Operations Disaggregated by Revenue Source (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation Of Revenue [Line Items]
Total revenues, net	$ 59,925	$ 54,743	$ 171,791	$ 159,630
Workforce Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	49,128		141,043
Provider Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	10,797		30,748
Subscription SaaS Services [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	56,160		163,304
Subscription SaaS Services [Member] \| Workforce Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	47,639		137,083
Subscription SaaS Services [Member] \| Provider Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	8,521		26,221
Professional Services [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	3,765		8,487
Professional Services [Member] \| Workforce Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	1,489		3,960
Professional Services [Member] \| Provider Solutions [Member]
Disaggregation Of Revenue [Line Items]
Total revenues, net	$ 2,276		$ 4,527

Revenue Recognition and Sales Commissions - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue Recognition and Sales Commissions [Line Items]
Revenues recognized in period, included in deferred revenue at beginning of the period	$ 32,400,000		$ 59,000,000
Estimated revenue expected to be recognized in future under contract with customers	$ 370,000,000		$ 370,000,000
Percentage of remaining performance obligations expects revenue	46.00%		46.00%
Estimated revenue, expected recognition period	12 months		12 months
Description of sales commission plan			Sales commissions earned by our sales organization are considered incremental and recoverable costs of obtaining a contract with a customer. The Company’s sales commission plans for 2018 typically include multiple payments, including initial payments in the period a customer contract is obtained and subsequent payments either 15 or 27 months after the initial payment.
Sales Commissions, amortization term description			Non-commensurate commissions are amortized over the greater of the contract term or expected customer relationship period, limited by the technological obsolescence period of approximately three years.
Sales Commissions, amortization period			3 years
Amortization of deferred commissions	$ 2,000,000		$ 5,700,000
Customer Contracts [Member]
Revenue Recognition and Sales Commissions [Line Items]
Impairment losses on receivables and contract asset	$ 300,000	$ 350,000	$ 690,000	$ 820,000
Subscription SaaS Services [Member]
Revenue Recognition and Sales Commissions [Line Items]
Description of contracts with customer			Subscription/SaaS contracts are generally non-cancelable, one to five years in length, and billed annually, semi-annually, quarterly, or monthly in advance.
Subscription SaaS Services [Member] \| Minimum [Member]
Revenue Recognition and Sales Commissions [Line Items]
Period of contract with customer			1 year
Subscription SaaS Services [Member] \| Maximum [Member]
Revenue Recognition and Sales Commissions [Line Items]
Period of contract with customer			5 years

Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Taxes Disclosure [Line Items]
Income tax provision	$ 1,077,000	$ 1,182,000	$ 2,575,000	$ 2,709,000
Effective tax rate for continuing operations			20.00%	32.00%
U.S. federal corporate income tax rate			21.00%		35.00%
Accounting Standards Update 2016-09 [Member]
Income Taxes Disclosure [Line Items]
Excess tax benefits primarily from stock option exercises			$ 692,000	$ 428,000

Stockholders' Equity - Additional Information (Detail)	3 Months Ended		9 Months Ended
Stockholders' Equity - Additional Information (Detail)	Sep. 30, 2018 $ / shares shares	Jun. 30, 2018 shares	Sep. 30, 2018 Incentive_Plan $ / shares shares	Sep. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend declared date			Feb. 12, 2018
Special cash dividend \| $ / shares			$ 1.00
Dividend payable date			Apr. 03, 2018
Dividend record date			Mar. 06, 2018
Number of incentive plans \| Incentive_Plan			2
RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted share units issued			83,168	111,039
Weighted average grant date fair value, restricted share unit \| $ / shares			$ 24.70	$ 23.43
Performance-based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted share units issued		70,000
Restricted share units vesting period		5 years
Performance-based RSUs [Member] \| Performance Criteria Established [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted share units issued	7,000
Weighted average grant date fair value, restricted share unit \| $ / shares	$ 29.39
Performance-based RSUs [Member] \| Performance Criteria Not Yet Established [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted share units issued	63,000

Stockholders' Equity - Stock Based Compensation Expense Recognized Within Continuing Operations in Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock based compensation expense	$ 459	$ 401	$ 1,306	$ 1,241
Cost of Revenues (Excluding Depreciation and Amortization) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock based compensation expense	10	8	28	29
Product Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock based compensation expense	72	72	217	204
Sales and Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock based compensation expense	50	35	132	169
Other General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock based compensation expense	$ 327	$ 286	$ 929	$ 839

Earnings Per Share - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Total number of common equivalent shares excluded from the calculations of diluted earnings per share	70,000	31,000	100,000	68,000

Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator:
Income from continuing operations	$ 3,036	$ 1,735	$ 10,320	$ 5,668
Income from discontinued operations		769	19,107	388
Net Income	$ 3,036	$ 2,504	$ 29,427	$ 6,056
Denominator:
Weighted-average shares outstanding	32,322	31,893	32,244	31,848
Effect of dilutive shares	93	324	64	335
Weighted-average diluted shares	32,415	32,217	32,308	32,183
Earnings (loss) per share – basic:
Continuing operations	$ 0.09	$ 0.06	$ 0.32	$ 0.18
Discontinued operations		0.02	0.59	0.01
Earnings per share - basic	0.09	0.08	0.91	0.19
Earnings (loss) per share – diluted:
Continuing operations	0.09	0.06	0.32	0.18
Discontinued operations		0.02	0.59	0.01
Earnings per share - diluted	$ 0.09	$ 0.08	$ 0.91	$ 0.19

Marketable Securities - Fair Value of Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Fair Value	$ 44,025	$ 46,350
Level 2 [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Adjusted Cost	44,042	46,388
Available for sale securities, Unrealized Gains		2
Available for sale securities, Unrealized Losses	(17)	(40)
Available for sale securities, Fair Value	44,025	46,350
Level 2 [Member] \| Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Adjusted Cost	37,554	41,900
Available for sale securities, Unrealized Gains		1
Available for sale securities, Unrealized Losses	(17)	(39)
Available for sale securities, Fair Value	37,537	41,862
Level 2 [Member] \| Government-Sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale securities, Adjusted Cost	6,488	4,488
Available for sale securities, Unrealized Gains		1
Available for sale securities, Unrealized Losses		(1)
Available for sale securities, Fair Value	$ 6,488	$ 4,488

Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Feb. 12, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of business, net of tax		$ 769	$ 19,107	$ 388
Patient Experience Solutions [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received	$ 65,500
Gain on sale of business, net of tax	19,100	$ 769	$ (64)	$ 388
Escrow deposit	$ 6,550

- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details

Discontinued Operations - Schedule of Discontinued Operations Income Statement (Detail) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Feb. 12, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating costs and expenses:
Income (loss) from discontinued operations before income tax provision		$ 1,238	$ (64)	$ 762
Income tax provision		469	10,319	374
Income from discontinued operations		769	19,107	388
Patient Experience Solutions [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues, net		8,809	3,342	25,273
Operating costs and expenses:
Cost of revenues (excluding depreciation and amortization)		4,208	1,982	14,484
Product development		988	554	2,701
Sales and marketing		972	460	3,347
Other general and administrative expenses		792	229	2,353
Depreciation and amortization		599	181	1,614
Total operating costs and expenses		7,559	3,406	24,499
Operating income (loss)		1,250	(64)	774
Other loss		(12)		(12)
Income (loss) from discontinued operations before income tax provision		1,238	(64)	762
Income tax provision		469		374
Income from discontinued operations	$ 19,100	$ 769	$ (64)	$ 388

Discontinued Operations - Schedule of Discontinued Operations Balance Sheet (Detail) $ in Thousands	Dec. 31, 2017 USD ($)
Carrying amounts of assets included as part of discontinued operations:
Current assets of discontinued operations	$ 6,125
Long-term assets of discontinued operations	28,073
Carrying amounts of liabilities included as part of discontinued operations:
Current liabilities of discontinued operations	6,772
Long-term liabilities of discontinued operations	2,548
Patient Experience Solutions [Member]
Carrying amounts of assets included as part of discontinued operations:
Accounts receivable, net	4,158
Accounts receivable – unbilled	1,275
Prepaid royalties, net of amortization	37
Other prepaid expenses and other current assets	655
Current assets of discontinued operations	6,125
Property and equipment, net	901
Capitalized software development, net	2,683
Goodwill	24,154
Customer-related intangibles, net	276
Other intangible assets, net	42
Other assets	17
Long-term assets of discontinued operations	28,073
Total assets of discontinued operations in the condensed consolidated balance sheet	34,198
Carrying amounts of liabilities included as part of discontinued operations:
Accounts payable and accrued expenses	2,728
Accrued royalties	27
Deferred revenue	4,017
Current liabilities of discontinued operations	6,772
Deferred tax liabilities	1,971
Deferred revenue, noncurrent	15
Other long term liabilities	562
Long-term liabilities of discontinued operations	2,548
Total liabilities of discontinued operations in the condensed consolidated balance sheet	$ 9,320

Business Segments - Additional Information (Detail)	9 Months Ended
Business Segments - Additional Information (Detail)	Sep. 30, 2018
Patient Experience Solutions [Member]
Segment Reporting Information [Line Items]
Date of business segment sold	Feb. 12, 2018

Business Segments - Business Segment Information Based on Net Revenues and Operating Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues, net:
Revenues, net	$ 59,925	$ 54,743	$ 171,791	$ 159,630
Operating income from continuing operations:
Income from operations	4,661	2,731	12,654	7,896
Workforce Solutions [Member]
Revenues, net:
Revenues, net	49,128		141,043
Provider Solutions [Member]
Revenues, net:
Revenues, net	10,797		30,748
Operating Segments [Member] \| Workforce Solutions [Member]
Revenues, net:
Revenues, net	49,128	44,603	141,043	132,561
Operating income from continuing operations:
Income from operations	10,013	8,477	29,074	25,785
Operating Segments [Member] \| Provider Solutions [Member]
Revenues, net:
Revenues, net	10,797	10,140	30,748	27,069
Operating income from continuing operations:
Income from operations	1,684	934	2,973	856
Unallocated [Member]
Operating income from continuing operations:
Income from operations	$ (7,036)	$ (6,680)	$ (19,393)	$ (18,745)

Business Segments - Business Segment Information Based on Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total assets	$ 421,500	$ 411,119
Operating Segments [Member] \| Workforce Solutions [Member]
Segment Reporting Information [Line Items]
Total assets	91,696	90,055
Operating Segments [Member] \| Provider Solutions [Member]
Segment Reporting Information [Line Items]
Total assets	143,781	150,797
Unallocated [Member]
Segment Reporting Information [Line Items]
Total assets	$ 186,023	136,069
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Total assets		$ 34,198

Debt - Additional Information (Detail)	9 Months Ended
Debt - Additional Information (Detail)	Sep. 30, 2018 USD ($)
SunTrust Bank [Member]
Line of Credit Facility [Line Items]
Description of Line of credit facility Covenant	A funded debt leverage ratio (consolidated debt/consolidated EBITDA) of not greater than 3.0 to 1.0; and  an interest coverage ratio (consolidated EBITDA/consolidated interest expense) of not less than 3.0 to 1.0.
SunTrust Bank [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee paid per annum	0.20%
SunTrust Bank [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee paid per annum	0.30%
Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Interest coverage ratio	300.00%
Revolving Credit Facility [Member] \| SunTrust Bank [Member]
Line of Credit Facility [Line Items]
Maturity date of Loan agreement	Nov. 24, 2018
Interest rate under credit facility	The borrowings under the Revolving Credit Facility bear interest at either (1) a rate per annum equal to the highest of SunTrust’s prime rate or 0.5% in excess of the Federal Funds Rate or 1.0% in excess of one-month LIBOR (the “Base Rate”), plus an applicable margin, or (2) the one, two, three, or six month per annum LIBOR for deposits in the applicable currency (the “Eurocurrency Rate”), as selected by the Company, plus an applicable margin. The applicable margin for Eurocurrency Rate loans depends on the Company’s funded debt leverage ratio and varies from 1.50% to 2.00%. The applicable margin for Base Rate loans depends on the Company’s funded debt leverage ratio and varies from 0.50% to 1.50%
Maximum borrowing capacity under credit facility	$ 50,000,000
Increase in revolving credit facility	25,000,000
Principal payments prior to maturity	0
Outstanding and borrowing balance on the revolving credit facility	0
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Swing Line Sub Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit facility	5,000,000
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Letter of Credit Subfacility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit facility	$ 5,000,000
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Federal Funds Effective Swap Rate [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate During Period	0.50%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate During Period	1.00%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Minimum [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Applicable margin for loans	0.50%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Minimum [Member] \| Eurodollar [Member]
Line of Credit Facility [Line Items]
Applicable margin for loans	1.50%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Maximum total leverage ratio	300.00%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Maximum [Member] \| Base Rate [Member]
Line of Credit Facility [Line Items]
Applicable margin for loans	1.50%
Revolving Credit Facility [Member] \| SunTrust Bank [Member] \| Maximum [Member] \| Eurodollar [Member]
Line of Credit Facility [Line Items]
Applicable margin for loans	2.00%

Non-Marketable Equity Investments - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Dec. 31, 2017
Investments Debt And Equity Securities [Abstract]
Reduction to carrying value of cost method investment due to change in fair value	$ 1,300	$ 1,271
Aggregate carrying amount of cost method investments	$ 2,100	$ 2,100	$ 2,500