Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 27,197	$ 52,300
Short-term investments	265us-gaap_ShortTermInvestments	281us-gaap_ShortTermInvestments
Trade accounts receivable, less allowances of $1,529 and $1,619, respectively	44,869us-gaap_AccountsReceivableNetCurrent	41,100us-gaap_AccountsReceivableNetCurrent
Deferred tax asset, net	2,021us-gaap_DeferredTaxAssetsNetCurrent	2,113us-gaap_DeferredTaxAssetsNetCurrent
Other current assets	8,643us-gaap_OtherAssetsCurrent	8,067us-gaap_OtherAssetsCurrent
Total current assets	82,995us-gaap_AssetsCurrent	103,861us-gaap_AssetsCurrent
Property and equipment, net	28,121us-gaap_PropertyPlantAndEquipmentNet	24,661us-gaap_PropertyPlantAndEquipmentNet
Goodwill	399,408us-gaap_Goodwill	402,220us-gaap_Goodwill
Intangibles, net	46,875us-gaap_FiniteLivedIntangibleAssetsNet	49,371us-gaap_FiniteLivedIntangibleAssetsNet
Indefinite-lived intangibles	30,887	30,887
Deferred tax asset, net	19,203us-gaap_DeferredTaxAssetsNet	18,758us-gaap_DeferredTaxAssetsNet
Other assets	5,739us-gaap_OtherAssetsNoncurrent	4,553us-gaap_OtherAssetsNoncurrent
Total assets	613,228us-gaap_Assets	634,311us-gaap_Assets
Current liabilities:
Accounts payable and accrued liabilities	18,471	40,121
Accrued payroll and related benefits	4,554	5,280
Current portion of long term debt and capital lease obligations, net of discount of $0 and $7, respectively	631	936
Current deferred rent	282us-gaap_DeferredRentCreditCurrent	268us-gaap_DeferredRentCreditCurrent
Contingent liability for accrued earn-out acquisition consideration	887	887
Deferred revenue	22,858us-gaap_DeferredRevenueCurrent	22,192us-gaap_DeferredRevenueCurrent
Other current liabilities	102us-gaap_OtherLiabilitiesCurrent	102us-gaap_OtherLiabilitiesCurrent
Total current liabilities	47,785us-gaap_LiabilitiesCurrent	69,786us-gaap_LiabilitiesCurrent
Revolving line of credit	135,465us-gaap_LongTermLineOfCredit	120,465us-gaap_LongTermLineOfCredit
Long term debt and capital lease obligations, less current portion, net of discount of $7	593	593
Other liabilities	2,449us-gaap_OtherLiabilitiesNoncurrent	2,179us-gaap_OtherLiabilitiesNoncurrent
Contingent liability for accrued earn-out acquisition consideration	4,443	4,480
Deferred revenue	1,837us-gaap_DeferredRevenueNoncurrent	2,496us-gaap_DeferredRevenueNoncurrent
Long term deferred rent	1,962us-gaap_DeferredRentCreditNoncurrent	2,091us-gaap_DeferredRentCreditNoncurrent
Total liabilities	194,534us-gaap_Liabilities	202,090us-gaap_Liabilities
Commitments and Contingencies
Stockholders’ equity:
Preferred stock, $0.10 par value, 500,000 shares authorized, no shares issued and outstanding at March 31, 2015 and December 31, 2014	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, $0.10 par value, 60,000,000 shares authorized, 35,271,413 issued and outstanding, respectively, at March 31, 2015 and 36,232,074 issued and 36,191,565 outstanding at December 31, 2014	3,527us-gaap_CommonStockValue	3,619us-gaap_CommonStockValue
Additional paid-in capital	113,383us-gaap_AdditionalPaidInCapital	137,101us-gaap_AdditionalPaidInCapital
Treasury stock (no shares as of March 31, 2015 and 40,509 shares as of December 31, 2014)	0us-gaap_TreasuryStockValue	(76)us-gaap_TreasuryStockValue
Retained earnings	325,333	309,726
Accumulated other comprehensive loss	(23,549)	(18,149)
Total stockholders’ equity	418,694us-gaap_StockholdersEquity	432,221us-gaap_StockholdersEquity
Total liabilities and stockholders’ equity	$ 613,228	$ 634,311

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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-Number 210

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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