Document and Entity Information [Abstract] Document and entity information. Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Entity Filer Category Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Deferred Tax Assets, Net, Current Deferred income taxes Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Marketable Securities, Noncurrent Marketable securities, less current portion Deferred Tax Assets, Net, Noncurrent Deferred income taxes, less current portion Goodwill Ending Balance Beginning Balance Goodwill Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net Other Assets Noncurrent Total other assets Other assets Liabilities and Stockholders' Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Accounts payable, Current Accounts payable Deferred Revenue, Current Deferred revenue Taxes Payable, Current Income taxes payable Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Deferred Revenue, Noncurrent Deferred revenue, less current portion Commitments and Contingencies Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Convertible preferred stock, $0.001 par value; 7,500 shares authorized; 0 shares issued and outstanding Additional Paid In Capital Additional paid-in capital Contingent Consideration Contingent consideration represents an obligation to transfer additional purchase consideration (by way of an equity interest) to the former owners of an acquired company at a later date. The obligation is contingent upon the occurrence of certain specified future events or meeting specified future conditions. Contingent consideration Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Total stockholders' equity Preferred Stock, Shares Outstanding Convertible preferred stock, shares outstanding Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares Outstanding Common stock, shares outstanding Condensed Consolidated Statements of Operations [Abstract] Revenues Revenues Total revenue Cost of Services, Excluding Depreciation, Depletion, and Amortization Cost of services Cost of Revenue Total cost of revenue Gross Profit Gross profit General and Administrative Expense General and administrative Selling and Marketing Expense Sales and marketing Research and Development Expense Research and development Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Operating Expenses Total operating expenses Operating Income (Loss) Operating loss Interest expense Other Nonoperating Income (Expense) Other, net Nonoperating Income (Expense) Total other income Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Loss from continuing operations before income taxes Income Tax Expense (Benefit) Income tax provision (benefit) Estimated income tax expense (benefit) from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Loss from continuing operations Loss from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent [Abstract] Discontinued operations: Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest (Loss) income from discontinued operations, net of income taxes (Loss) income from discontinued operations Net Income Loss Net (loss) income Net (loss) income Net loss Net Income (Loss) per Share [Abstract] Income (Loss) from Continuing Operations, Per Basic Share Continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Discontinued operations Earnings Per Share, Basic Total Earnings Per Share, Diluted [Abstract] Income (Loss) from Continuing Operations, Per Diluted Share Continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Discontinued operations Earnings Per Share, Diluted Total Weighted Average Number of Shares Outstanding, Basic Basic Basic weighted average common shares Weighted Average Number of Shares Outstanding, Diluted Diluted Diluted weighted average common shares Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain (loss) on investments Net unrealized losses Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Cumulative translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign exchange translation Condensed Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities Adjustments to reconcile loss from continuing operations to net cash provided by operating activities of continuing operations: Depreciation, Depletion and Amortization Depreciation and amortization Share-based Compensation Share-based compensation Deferred Income Tax Expense (Benefit) Deferred income taxes Accretion (Amortization) of Discounts and Premiums, Investments Accretion of marketable securities Non Cash Cost Basis Investment Non cash increase in cost basis investment Non cash cost basis investment. Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease in Prepaid Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Income Taxes Receivable Income taxes receivable Payments to Acquire Marketable Securities Purchase of marketable securities Proceeds from Sale and Maturity of Marketable Securities Maturities of marketable securities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Repayments of Debt and Capital Lease Obligations Payments on capital lease obligations Payments Related to Tax Withholding for Share-based Compensation Payment of employee tax withholdings related to restricted stock Payments for Repurchase of Common Stock Cash paid for purchase of common stock Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Proceeds from exercise of stock options Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Discontinued Operations [Abstract] Discontinued operations Net Cash Provided by (Used in) Discontinued Operations Net cash used in discontinued operations Cash and Cash Equivalents, Period Increase (Decrease) Net (decrease) increase in cash and cash equivalents Interest Paid Cash paid during the period for interest Income Taxes Paid Cash paid during the period for income taxes Property and Equipment Acquired through Leasehold Incentives Property and equipment acquired through leasehold incentives. Property and equipment acquired through leasehold incentives Contingent Consideration Common Stock Issued with Business Acquisition Value Contingent consideration common stock issued with business acquisition value. Contingent consideration common stock issued in connection with acquisition of businesses Nature of Business [Abstract] Nature of business. Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Summary of Significant Accounting Policies Business Acquisitions [Abstract] Business Combination Disclosure [Text Block] Business Acquisitions Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations Accounts Receivable, net [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Accounts Receivable, net Prepaid Expenses and Other Current Assets [Abstract] Prepaid Expenses and Other Current Assets [Text Block] Prepaid expenses and other current assets. Prepaid Expenses and Other Current Assets Goodwill and Other Intangible Assets [Abstract] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Property and Equipment, net [Abstract] Other Assets [Abstract] Other Current Liabilities [Abstract] Other Long-Term Liabilities [Abstract] Other Long Term Liabilities Disclosure [Text Block] Other long term liabilities. Other Long-Term Liabilities Contingencies [Abstract] Legal Matters and Contingencies [Text Block] Contingencies Earnings Per Share [Text Block] Net Income (Loss) per Share Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Share-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Leases and Commitments [Abstract] Leases and commitments. Leases and Commitments [Text Block] Leases and Commitments This disclosure includes information and amounts due in future periods for operating and capital leases, as well as future commitments. Future commitments include significant arrangements with third parties, in which the entity has agreed to expend funds to procure goods or services. Income taxes [Abstract] Income Tax Disclosure [Text Block] Income taxes Concentrations [Abstract] Concentrations. Concentrations Disclosure [Text Block] Concentrations. Concentrations Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Certificates of Deposit [Member] Certificate of deposit [Member] Corporate Debt Securities [Member] Corporate notes and bonds [Member] Common Stock [Member] Publicly traded common stock [Member] Debt Securities [Member] Debt securities [Member] Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Gross unrealized losses Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis]