CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Net income	$ 6,304us-gaap_ProfitLoss	$ 4,776us-gaap_ProfitLoss	$ 603us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	1,792us-gaap_Depreciation	1,647us-gaap_Depreciation	1,707us-gaap_Depreciation
Amortization of intangibles	5,581us-gaap_AmortizationOfIntangibleAssets	5,827us-gaap_AmortizationOfIntangibleAssets	7,150us-gaap_AmortizationOfIntangibleAssets
Gain on extinguishment of debt		(79)
Bargain purchase gain	(146)
Tax benefit from stock issuances	(346)	(851)
Amortization of deferred financing costs	153us-gaap_AmortizationOfFinancingCosts	214us-gaap_AmortizationOfFinancingCosts	350us-gaap_AmortizationOfFinancingCosts
Stock-based compensation	3,107us-gaap_ShareBasedCompensation	3,385us-gaap_ShareBasedCompensation	2,797us-gaap_ShareBasedCompensation
Change in fair value of contingent consideration	658	1,299	(2,000)
Changes in accounts receivable allowance	(100)us-gaap_ProvisionForDoubtfulAccounts	49us-gaap_ProvisionForDoubtfulAccounts	297us-gaap_ProvisionForDoubtfulAccounts
Deferred tax benefit	(1,789)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,814)us-gaap_DeferredIncomeTaxExpenseBenefit	(2,643)us-gaap_DeferredIncomeTaxExpenseBenefit
Loss on disposal of fixed assets	19	66	22
Changes in operating assets and liabilities:
Accounts receivable	(2,321)	897	931
Prepaid expense and other current assets	(456)	(495)	(1,071)
Accounts payable	1,121	(48)	1,953
Deferred revenue	953	292	(951)
Accrued expenses	(7,523)	7,890	1,585
Net cash provided by operating activities	7,007	23,055	10,730
Cash flows from investing activities
Acquisitions, net of cash acquired	(890)		(24)
Restricted cash	(310)	(2)	(1)
Purchase of furniture, fixtures and equipment	(2,170)	(1,901)	(1,823)
Net cash used in investing activities	(3,370)	(1,903)	(1,848)
Cash flows from financing activities
Proceeds from debt		55,000us-gaap_ProceedsFromIssuanceOfDebt
Principal payments on borrowings	(3,375)us-gaap_RepaymentsOfLongTermDebt	(60,822)us-gaap_RepaymentsOfLongTermDebt	(7,000)us-gaap_RepaymentsOfLongTermDebt
Proceeds from issuance of ESPP shares	576us-gaap_ProceedsFromStockPlans	382us-gaap_ProceedsFromStockPlans	334us-gaap_ProceedsFromStockPlans
Payment of contingent consideration	(1,633)		(2,000)
Debt issuance costs		(754)us-gaap_PaymentsOfDebtIssuanceCosts
Tax benefit from stock issuances	346	851
Equity securities repurchased	(5,320)	(4,055)	(1,513)
Net cash used in financing activities	(9,406)	(9,398)	(10,179)
Effect of exchange rate changes on cash	(1,654)	(168)	327
Net (decrease) increase in cash and cash equivalents	(7,423)	11,586	(970)
Cash and cash equivalents, beginning of period	35,085	23,499	24,469
Cash and cash equivalents, end of period	27,662	35,085	23,499
Cash paid for:
Interest	1,785us-gaap_InterestPaidNet	2,406us-gaap_InterestPaidNet	2,609us-gaap_InterestPaidNet
Taxes	5,721us-gaap_IncomeTaxesPaid	6,636us-gaap_IncomeTaxesPaid	1,966us-gaap_IncomeTaxesPaid
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Issuance of treasury stock for vested restricted stock awards and SARs	$ 2,294	$ 1,256	$ 1,276

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The cash outflow to reacquire common stock during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

+ Details

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- Definition

The cash outflow for financing costs associated with business combinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from the stock plan during the period.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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