FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract] FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Investments [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Cash Flows [Abstract] Statement [Table] Statement [Table] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Deferred income taxes Deferred Income Tax Expense (Benefit) Depreciation and amortization Depreciation, Depletion and Amortization Share-based compensation Share-based Compensation Tax benefit for share-based payments Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Prepaid income taxes, excluding tax benefit for share-based payments Increase (Decrease) in Prepaid Taxes Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued and other liabilities Increase (Decrease) in Accrued Liabilities Total adjustments Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Capitalized software development costs Payments to Develop Software Purchase of investments Payments to Acquire Investments Sale and maturity of investments Proceeds from Sale, Maturity and Collection of Investments Purchase of business, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from stock options and other issuances of stock Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Revision of estimate for capitalized expenses of stock offering Capitalized expenses of stock offering,revision of estimate Capitalized expenses of stock offering,revision of estimate Tax benefit for share-based payments Excess Tax Benefit from Share-based Compensation, Financing Activities Repayment of promissory notes payable Repayments of Lines of Credit Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Cash paid for income taxes Income Taxes Paid BORROWING ARRANGEMENTS [Abstract] BORROWING ARRANGEMENTS [Abstract] Debt Disclosure [Text Block] Debt Disclosure [Text Block] MAJOR CUSTOMERS [Abstract] MAJOR CUSTOMERS [Abstract] Concentration Risk Disclosure [Text Block] Concentration Risk Disclosure [Text Block] TRANSACTIONS WITH RELATED PARTIES [Abstract] TRANSACTIONS WITH RELATED PARTIES [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Disclosure [Text Block] ACQUISITIONS [Abstract] ACQUISITIONS [Abstract] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Consolidated Statement of Stockholders’ Equity [Abstract] Consolidated Statement of Stockholders’ Equity [Abstract] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Statement, Equity Components [Axis] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Preferred Stock [Member] Preferred Stock [Member] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Preferred Stock Balance Preferred Stock, Shares Outstanding Common Stock Balance Common Stock, Shares, Outstanding Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Issuance of shares of common stock from stock incentive plans Stock Issued During Period, Shares, Employee Stock Ownership Plan Issuance of common stock from stock incentive plans Stock Issued During Period, Value, Employee Stock Ownership Plan Share based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Tax benefit for share based payments Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Preferred Stock Balance Common Stock Balance Balance GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract] GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Text Block] INCOME TAXES [Abstract] INCOME TAXES [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Consolidated Statements of Operations [Abstract] Consolidated Statements of Operations [Abstract] Revenue Revenues Direct costs (1) Direct Operating Costs Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Sales and marketing (1) Selling and Marketing Expense Information Technology(1) Information Technology and Data Processing General and administrative (1) General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Total operating expenses Operating Expenses Operating income Operating Income (Loss) Interest and other income Interest and Other Income Interest and other expense Other Nonoperating Income (Gain) on foreign currency transactions Foreign Currency Transaction Gain (Loss), before Tax Net other (income) and expense Other Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Net income Basic earnings per share: Earnings Per Share, Basic [Abstract] Net earnings per share Earnings Per Share, Basic Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Diluted earnings per share: Earnings Per Share, Diluted [Abstract] Net earnings per share Earnings Per Share, Diluted Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] CONTINGENCIES [Abstract] CONTINGENCIES [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Consolidated Balance Sheets [Abstract] Consolidated Balance Sheets [Abstract] Class of Stock [Axis] Class of Stock [Domain] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term investments Short-term Investments Accounts receivable, net of allowance for doubtful accounts of $145,000 at June 30, 2011 and $124,000 at December 31, 2010 Accounts Receivable, Net, Current Deferred income tax, net Deferred Tax Assets, Net, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment: Property, Plant and Equipment [Abstract] Computer equipment Machinery and Equipment, Gross Software Finite-Lived Computer Software, Gross Furniture and fixtures Furniture and Fixtures, Gross Total property and equipment Property, Plant and Equipment, Gross Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Property, Plant and Equipment, Net Capitalized software development costs, net Capitalized Computer Software, Net Goodwill and Intangible assets: Goodwill and Intangible assets: [Abstract] Goodwill and Intangible assets: [Abstract] Goodwill Goodwill Other intangible assets Other Finite-Lived Intangible Assets, Gross Total intangible assets Total goodwill and intangible assets, gross Total goodwill and intangible assets, gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Finite-Lived Intangible Assets, Net Deferred income tax, net- noncurrent Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent ASSETS Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued compensation and benefits Employee-related Liabilities, Current Promissory notes payable Notes Payable, Current Income tax payable Taxes Payable, Current Other accrued liabilities Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Long term liabilities: Liabilities, Noncurrent [Abstract] Income tax contingent liability Deferred Tax Liabilities, Noncurrent Other liabilities Other Liabilities, Noncurrent Total long term liabilities Liabilities, Noncurrent Commitments and contingencies (Note 10) Commitments and Contingencies Stockholders’ equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, $0.01 par value; 2,000,000 shares authorized and no shares outstanding at June 30, 2011 and December 31, 2010 Preferred Stock, Value, Issued Common stock, $0.05 par value; 30,000,000 shares authorized at June 30, 2011 and December 31, 2010; 10,671,000 and 10,566,000 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Stockholders’ equity: Common Stockholders' Equity Total liabilities and stockholders’ equity Liabilities and Equity Share-based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] SUBSEQUENT EVENT [Abstract] SUBSEQUENT EVENT [Abstract] Subsequent Events [Text Block] Subsequent Events [Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Information [Table] Document Information [Table] Document Information, Document [Axis] Document [Domain] Document Information [Line Items] Document Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Balance Sheet Parenthetical [Abstract] Balance Sheet Parenthetical [Abstract] Class of Stock [Axis] Class of Stock [Domain] Common Class A [Member] Common Class A [Member] Common Class B [Member] Common Class B [Member] Common Class C [Member] Common Class C [Member] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding