Document and Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED BALANCE SHEETS Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Available-for-sale Securities, Current Marketable securities Accounts Receivable, Net, Current Accounts receivable, net of allowance for doubtful accounts of $321 and $237 at June 30, 2014 and December 31, 2013, respectively Prepaid Expense and Other Assets, Current Prepaid expenses and other assets Deferred Tax Assets, Net, Current Deferred tax assets Assets, Current Total current assets Available-for-sale Securities, Noncurrent Marketable securities Property, Plant and Equipment, Net Property and equipment, net Goodwill Balance at the end of the period Balance at the beginning of the period Goodwill Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Deferred Tax Assets, Net, Noncurrent Deferred tax assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Deferred Revenue, Current Deferred revenues Amount of current liability recognized arising from contingent consideration in a business combination. Business Combination Contingent Consideration Liability Current Contingent consideration obligation Liabilities, Current Total current liabilities Capital Lease Obligations, Noncurrent Lease financing obligation - long-term Amount of noncurrent liability recognized arising from contingent consideration in a business combination. Business Combination Contingent Consideration Liability Noncurrent Contingent consideration obligation - long-term Other Liabilities, Noncurrent Other liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.0001 par value; 10,000 shares authorized, 0 shares issued and outstanding at June 30, 2014 and December 31, 2013 Common Stock, Value, Issued Common stock, $0.0001 par value; 100,000 shares authorized, 45,565 and 44,456 shares issued; 41,798 and 40,663 outstanding at June 30, 2014 and December 31, 2013, respectively Treasury Stock, Value Treasury stock, at cost (3,767 and 3,793 shares at June 30, 2014 and December 31, 2013, respectively) Additional Paid in Capital, Common Stock Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Balance at the end of the period Balance at the beginning of the period Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts (in dollars) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock, shares CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME Revenues Net revenues Costs and Expenses [Abstract] Costs and expenses: Cost of Services Cost of services Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Net change in contingent consideration obligation Fair value adjustment to contingent obligation included in net income Restructuring Charges. Restructuring charges Depreciation, Depletion and Amortization Depreciation and amortization Costs and Expenses Total costs and expenses Operating Income (Loss) Income from operations Investment Income, Interest Interest income Interest Expense Interest expense Other Nonoperating Income (Expense) Other income Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income tax expense Income Tax Expense (Benefit) Income tax expense Net Income (Loss) Attributable to Parent Net income Net income Net income attributable to common stockholders Earnings per Common Share Net income per common share: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average common shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted average common shares outstanding - diluted Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) Total other comprehensive income (loss) CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash (used in) provided by operating activities: The aggregate expense, excluding amortization of bond premium, recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Depreciation Depletion and Amortization Excluding Bond Premiums Depreciation and amortization expense Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss on disposal of asset Amortization of Debt Discount (Premium) Amortization of bond premium Deferred Income Tax Expense (Benefit) Deferred income taxes Represents the non cash portion of interest on leased facility and obligations incurred by the entity during the reporting period. Leased Facility Accrued Noncash Interest Non-cash interest on leased facility Share-based Compensation Stock-based compensation Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable, net of allowance for doubtful accounts Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Business Combination Contingent Consideration Arrangements Change in Amount of Contingent Consideration Liability 1 Cash Flow Effect Contingent consideration obligation Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefit from the exercise of stock options Increase (Decrease) in Other Operating Liabilities Other liabilities Increase (Decrease) in Deferred Revenue Deferred revenues Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of fixed assets Payments to Acquire Available-for-sale Securities Purchases of marketable securities available-for-sale Proceeds from Sale and Maturity of Available-for-sale Securities Maturities of marketable securities available-for-sale Payments to Acquire Businesses, Net of Cash Acquired Business acquired, net of cash Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities: Proceeds from Stock Options Exercised Proceeds from the exercise of stock options Excess Tax Benefit from Share-based Compensation, Financing Activities Excess tax benefit from the exercise of stock options Proceeds from Sale of Treasury Stock Proceeds from the sale of treasury stock in connection with an employee stock purchase plan Cash received under program Repayments of Long-term Capital Lease Obligations Repayments of capital obligations Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash Net Cash Provided by (Used in) Continuing Operations Net increase in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Income Taxes Paid, Net Cash paid for income taxes Description of Business Nature of Operations [Text Block] Description of Business Basis of Presentation and Consolidation Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Consolidation Earnings Per Share [Text Block] Earnings per Common Share Fair Value Measurements of Assets and Liabilities Fair Value Disclosures [Text Block] Fair Value Measurements of Assets and Liabilities Acquisition Business Combination Disclosure [Text Block] Acquisition Stockholders' Equity Shareholders' Equity and Share-based Payments [Text Block] Stockholders' Equity Accumulated Other Comprehensive Income (Loss). Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Income (Loss) Goodwill. Goodwill and Intangible Assets Disclosure [Text Block] Goodwill Credit Facility. Debt Disclosure [Text Block] Credit Facility Legal Matters Legal Matters and Contingencies [Text Block] Legal Matters Subsequent Events Subsequent Events [Text Block] Subsequent Events Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of reconciliation of the numerator and denominator used in computing basic and diluted net income attributable to common stockholders per common share Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of assets and liabilities held and their related classifications under the fair value hierarchy Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of aggregate fair value of available-for-sale securities and aggregate amount of unrealized gains and losses for available-for-sale securities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of changes in fair value of Level 3 contingent consideration obligation Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of weighted-average assumptions used in the Black-Scholes option pricing model Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of information about stock options outstanding Schedule of Nonvested Share Activity [Table Text Block] Schedule of non-vested restricted stock and changes Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of weighted-average assumptions used to value employee stock purchase rights Comprehensive Income (Loss) [Table Text Block] Schedule of comprehensive income (loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of changes in accumulated other comprehensive income (loss) Schedule of Goodwill [Table Text Block] Schedule of changes in goodwill Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock options that are anti-dilutive and excluded from calculation of diluted earnings per share (in shares) Earnings Per Share Reconciliation [Abstract] Reconciliation of the numerator and denominator used in computing basic and diluted net income attributable to common stockholders per common share Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Numerator: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Dilutive effect of: Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Options and unvested restricted shares Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 Fair Value Inputs Level2 [Member] Level 2 Fair Value Inputs Level3 [Member] Level 3 Estimate Of Fair Value Fair Value Disclosure [Member] Total Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition Acquiree [Domain] Represents Miyowa S.A., an acquisition of the entity. Miyowa S A [Member] Miyowa Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Summary of assets and liabilities held by the Company and their related classifications under the fair value hierarchy Assets and Liabilities Fair Value Disclosure [Abstract] Summary of assets and liabilities held by the Company and their related classifications under the fair value hierarchy Money Market Funds, at Carrying Value Money market funds The value of certificates of deposit, municipal and corporate bonds and enhanced income money market funds which are classified as marketable securities. Certificates of Deposit Municipal and Corporate Bonds Enhanced Income Funds Certificates of deposit, municipal bonds and corporate bonds Business Combination, Contingent Consideration, Liability Contingent consideration obligation Earn-out payments due Assets, Net Fair value of net assets Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair value of asset transfers from Level 1 to Level 2 Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair value of asset transfers from Level 2 to Level 1 Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] Aggregate Fair Value Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due in one year or less Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due after one year, less than five years Available-for-sale Securities, Debt Securities Total Available-for-sale Securities, Gross Unrealized Gain [Abstract] Aggregate Amount of Unrealized Gains Represents the gross unrealized gains for debt securities, which are expected to mature within one year of the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Gain, Debt Maturities within One Year Due in one year or less Represents the gross unrealized gains for debt securities, which are expected to mature after one year and through five years from the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Gain, Debt Maturities after One Through Five Years Due after one year, less than five years Amount of accumulated unrealized gain before deducting unrealized loss on investments in available-for-sale securities impacting investments. Available for Sale Securities Gross Unrealized Gain Accumulated in Investments Total Available-for-sale Securities, Gross Unrealized Loss [Abstract] Aggregate Amount of Unrealized Losses Represents the gross unrealized losses for debt securities, which are expected to mature within one year of the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Losses, Debt Maturities within One Year Due in one year or less Represents the gross unrealized losses for debt securities which are expected to mature after one year and through five years from the balance sheet date, at a point in time, which are categorized neither as held-to-maturity nor trading securities. Available for Sale Securities, Gross Unrealized Losses, Debt Maturities after One Through Five Years Due after one year, less than five years Amount of accumulated unrealized loss before deducting unrealized gain on investments in available-for-sale securities impacting investments. Available for Sale Securities Gross Unrealized Loss Accumulated in Investments Total Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liability Class [Axis] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain] Commitments [Member] Contingent Consideration Represents information pertaining to the acquisition of Strumsoft (USA), Inc., a California corporation and Strumsoft (India) Pvt. Ltd., an Indian entity. Strumsoft Inc [Member] Strumsoft, Inc. (Strumsoft) Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Level 3 changes Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Changes in fair value of the Company's Level 3 contingent consideration obligation Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Balance as at the end of the period Balance as at the beginning of the period Represents the adjustment to the liability arising from an item of contingent consideration assumed in a business acquisition resulting from earnings during the period. Business Combination, Contingent Consideration Arrangements, Contingent Consideration Liability Adjustment for Earnings Earn-out compensation due to employees Schedule of Business Acquisitions, by Acquisition [Table] Represents activity related to Digi-Data. Digi Data [Member] Digi-Data Business Acquisition [Line Items] Acquisition Business Combination, Consideration Transferred [Abstract] Allocation of Consideration Transferred Company payments