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Revenue by Geographic Areas Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Derivative instruments Derivative Liability Non-employee directors Share-based Payment Arrangement, Nonemployee [Member] EMEA EMEA [Member] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair value as a percentage of exercise price Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Revenue from Contract with Customer [Abstract] Common stock issued for employee stock plans (in shares) Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture Entity Filer Category Entity Filer Category Impairment of intangible assets Impairment of Intangible Assets (Excluding Goodwill) Forfeited (in shares) Share-based Compensation Arrangement by 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[Member] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Unvested and outstanding (in shares) Balance (in shares) Balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Document Type Document Type 2019 Revolving Credit Facility debt issuance costs Unamortized Debt Issuance Expense Interest expense Interest Expense, Debt Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Long-lived Assets by Geographic Areas Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule II - Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Amortizable intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Entity Current Reporting Status Entity Current Reporting Status Summary of Stock Award Activity Schedule of Nonvested Share Activity [Table Text Block] Cumulative effect of adoption of accounting standards Cumulative Effect, Period of Adoption, Adjustment [Member] Estimated pre-tax derivative gains (losses) to be reclassified in next 12 months Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Cash paid for amounts included in the measurement of lease liabilities Operating Lease, Payments Derivative Assets Derivative Asset, Fair Value, Gross Asset Share-based payments Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent Depreciation on property, equipment and leasehold improvements Deferred Tax Liabilities, Property, Plant and Equipment Research and Product Development Costs Research and Development Expense, Policy [Policy Text Block] Gain (Loss) Recognized in AOCL on Derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax 2019 Revolving Credit Facility The 2019 Revolving Credit Facility [Member] Represents information about the 2017 Revolving Credit Facility. Acquisition purchase price Business Combination, Consideration Transferred U.S. operations Federal Income Tax Expense (Benefit), Continuing Operations Depreciation and amortization Other Depreciation and Amortization 2019 Revolving Credit Facility Long-term Debt, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Plan Name [Axis] Plan Name [Axis] Long-term debt Long-term debt Long-term Debt Total assets measured at fair value Assets, Fair Value Disclosure Level 1 Fair Value, Inputs, Level 1 [Member] CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Goodwill impairment charge Impairment charge Goodwill, Impairment Loss Document Transition Report Document Transition Report Impairment Charge Other than Temporary Impairment Losses, Investments Income Tax Disclosure [Abstract] Developed technology Software Development [Member] Common stock equivalents associated with stock-based compensation plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Additions based on tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Net unrealized (loss) gain on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Americas Americas [Member] Deferred revenue Contract with Customer, Liability, Current Other income (expense) Other Income and Expenses [Abstract] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Five Increase in tax expense, lower windfall tax benefits from stock-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Non-compete agreements Noncompete Agreements [Member] Additional paid-in capital Additional Paid in Capital Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Concentration Risk [Line Items] Concentration Risk [Line Items] Derivative [Line Items] Derivative [Line Items] Hedging Relationship [Domain] Hedging Relationship [Domain] Interest rate swap agreement Interest Rate Swap [Member] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current RSUs and PSUs RSUs and PSUs Restricted Stock And Performance Shares [Member] Restricted Stock And Performance Shares Earnings Per Share Earnings Per Share [Text Block] Repurchases of common stock Repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Operating expenses Operating Expenses [Abstract] Derivatives in Cash Flow Hedging Relationships Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Four Purchase period Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Income tax benefits from R&D tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Minimum Minimum [Member] Truvalue Labs, Inc. Truvalue Labs, Inc. [Member] Truvalue Labs, Inc. Data content Data Content [Member] Represents information related to data content. Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two Borrowing from revolving credit facility Borrowing from revolving credit facility Long-term Line of Credit Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Total liabilities measured at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Selling, general and administrative Selling, General and Administrative Expense Debt issuance costs Debt Issuance Costs, Net Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Gross unrecognized tax benefits Balance Balance Unrecognized Tax Benefits Total deferred tax assets Deferred Tax Assets, Gross Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Repurchase of common stock from employees Repurchase of Common Stock from Employees [Member] Represents information pertaining to the repurchase of common stock from employees. Trading Symbol Trading Symbol Deferred taxes Deferred Income Tax Assets, Net United Kingdom UNITED KINGDOM Revenue Recognition Revenue [Policy Text Block] Certificates of deposit Certificates Of Deposit Fair value portion of certificates of deposit. Acquisition of businesses, net of cash and cash equivalents acquired Payments to Acquire Businesses, Net of Cash Acquired Balance (in shares) Balance (in shares) Shares, Outstanding Components of the Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Stock-based Compensation Share-based Payment Arrangement [Text Block] Leases Lessee, Leases [Policy Text Block] Minimum amount of additional borrowings Line Of Credit Facility Minimum Borrowing Amount Required For Additional Borrowings The minimum borrowing amount that is required for the Company to arrange for additional borrowings with the lender under the credit facility. Accounting Policies [Abstract] Accounting Policies [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Number of share equivalents (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Equivalent Represents the option share equivalent of an equity instrument other than options. Number of segments Number of Reportable Segments Other non-current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Standby letters of credit issued Letters of Credit Outstanding, Amount U.S. federal Current Federal Tax Expense (Benefit) Current and non-current lease liabilities Present Value Operating Lease, Liability Treasury Stock Treasury Stock [Policy Text Block] Disclosure of accounting policy for treasury stock. Common stock, $0.01 par value, 150,000,000 shares authorized, 41,163,192 and 40,767,708 shares issued, 37,615,419 and 38,030,252 shares outstanding at August 31, 2021 and 2020, respectively Common Stock, Value, Issued Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Weighted average period for recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Customer Concentration Risk Customer Concentration Risk [Member] Balance (in dollars per share) Balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Acquisitions Goodwill, Acquired During Period Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Performance-based options PSUs Performance Shares [Member] Commitments and contingencies (see Note 14) Commitments and Contingencies Subsequent Event [Table] Subsequent Event [Table] Leases Lessee, Operating Leases [Text Block] Accumulated other comprehensive loss Total AOCL Accumulated Other Comprehensive Income (Loss), Net of Tax Dividends per Share of Common Stock (in dollars per share) Dividends Payable, Amount Per Share Class of Treasury Stock [Table] Class of Treasury Stock [Table] Currency exposure (as a percent) Percent Of Foreign Exchange Contracts Hedged Represents the percent of foreign exchange contracts hedged. Accounts receivable, reserves Accounts Receivable, Allowance for Credit Loss, Current Taxes payable Accrued Income Taxes, Noncurrent Acquisition Business Combination Disclosure [Text Block] Restricted stock Restricted Stock [Member] Summary of Weighted Average Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Net unrealized (loss) gain on cash flow hedges, tax (benefit) expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Non-U.S. Deferred Foreign Income Tax Expense (Benefit) Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Goodwill [Line Items] Goodwill [Line Items] Total operating expenses Costs and Expenses Lease liabilities, net Increase (Decrease) In Operating Lease Liabilities Increase (Decrease) In Operating Lease Liabilities Entity Registrant Name Entity Registrant Name Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Treasury stock (in shares) Treasury Stock, Shares One-time transition tax benefit Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Transition Tax on Accumulated Foreign Earnings, Amount Imputed Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Reconciliation of Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Unbilled accounts receivable Unbilled Receivables, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current NASDAQ Global Select Market NASDAQ - ALL MARKETS [Member] Financial Instrument [Axis] Financial Instrument [Axis] SG&A Selling, General and Administrative Expenses [Member] Revenues Revenue Revenue from Contract with Customer, Excluding Assessed Tax Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Dividend payments Payments of Dividends Dividends Declared Dividends Declared [Table Text Block] Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Stock options Share-based Payment Arrangement, Option [Member] Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accounts Receivable and Deferred Fees Accounts Receivable and Deferred Fees [Policy Text Block] Disclosure of accounting policy for accounts receivable and deferred fees. Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Aggregate Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value Common Stock Common Stock [Member] Variable Rate [Axis] Variable Rate [Axis] Non-U.S. operations Income (Loss) from Continuing Operations before Income Taxes, Foreign Segment Information Segment Reporting Disclosure [Text Block] Operating income Operating income Operating Income (Loss) Company contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Current lease liabilities Operating Lease, Liability, Current 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Hedging Designation [Axis] Hedging Designation [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Forfeited (in shares) Shares Issued, Shares, Share-based Payment Arrangement, Forfeited Accumulated foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Property, Plant and Equipment [Abstract] Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense Variable Rate [Domain] Variable Rate [Domain] Additional Paid-in Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation expense Depreciation Data costs Data Costs [Member] Represents information related to data costs. Deferred income taxes Increase (Decrease) in Deferred Income Taxes Treasury Stock Treasury Stock [Member] Hypothetical change (up or down) (basis points) Hypothetical Basis Point Change Libor Rate The hypothetical basis point change in the London Interbank Offered Rate (LIBOR). Mutual funds Mutual Funds [Member] Represents information about an investment program funded by shareholders that trades in diversified holdings and is professionally managed. Gross notional value Derivative, Notional Amount Total other expense, net Other Nonoperating Income (Expense) Fair value of long-term debt Long-term Debt, Fair Value Purchases of property, equipment, leasehold improvements and internal-use software Capital expenditures Payments to Acquire Property, Plant, and Equipment Business Combinations [Abstract] Annual subscriptions Subscription Revenue [Member] Represents information pertaining to subscription revenue. Maximum Maximum [Member] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Share-based Payment Arrangement [Abstract] Entity Information [Line Items] Entity Information [Line Items] Total provision for income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] TOTAL LIABILITIES Liabilities Award Type [Axis] Award Type [Axis] 2022 Finite-Lived Intangible Asset, Expected Amortization, Year One Stock options granted, weighted average exercise price (in dollars per share) Granted (in dollars per share) Weighted average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Outstanding, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Future Minimum Lease Commitments Lessee, Operating Lease, Liability, Maturity [Table Text Block] TOTAL STOCKHOLDERS’ EQUITY Balance Balance Stockholders' Equity Attributable to Parent Common stock, issued (in shares) Common Stock, Shares, Issued Preferred stock, issued (in shares) Preferred Stock, Shares Issued Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Designated as Hedging Instrument Designated as Hedging Instrument [Member] Goodwill and Intangible Assets Disclosure [Abstract] Document Annual Report Document Annual Report Intangible Assets Intangible Assets Disclosure [Text Block] Repurchases of common stock Payments for Repurchase of Common Stock Estimated useful life Property, Plant and Equipment, Useful Life India INDIA STOCKHOLDERS’ EQUITY Stockholders' Equity Attributable to Parent [Abstract] Increase to existing share repurchase program Stock Repurchase Program, Amount Added To Authorized Amount Stock Repurchase Program, Amount Added To Authorized Amount Components of Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Supplemental Disclosure of Non-Cash Transactions Noncash Investing and Financing Items [Abstract] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Concentrations of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Long-term lease liabilities Operating Lease, Liability, Noncurrent Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] ASC 842 Accounting Standards Update 2016-02 [Member] Total current taxes Current Income Tax Expense (Benefit) Accrued compensation Increase (Decrease) in Employee Related Liabilities Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Philippines PHILIPPINES Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net City Area Code City Area Code Exercise price (in dollars per share) Share Price Retained earnings Retained Earnings (Accumulated Deficit) Entity Public Float Entity Public Float All Other Countries Other Countries [Member] Other Countries Graduated vesting schedule (term) Defined Contribution Plan, Employer Matching Contribution, Term Of Graduated Vesting Schedule Defined Contribution Plan, Employer Matching Contribution, Term Of Graduated Vesting Schedule Share-based awards Share-based Payment Arrangement [Member] Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period RSUs Restricted Stock Units (RSUs) [Member] Selling, General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] Number of shares purchased by employees Stock Issued During Period, Shares, Employee Stock Purchase Plans Purchase price allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Total deferred tax liabilities Deferred Tax Liabilities, Gross Business Acquisition [Line Items] Business Acquisition [Line Items] Remaining lease term Lessee, Operating Lease, Remaining Lease Term Term structure of risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share Repurchase Program [Axis] Share Repurchase Program [Axis] Income Statement [Abstract] Amendment Flag Amendment Flag Concentration Risk [Table] Concentration Risk [Table] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Asset Class [Domain] Asset Class [Domain] Notional Values Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block] Maximum amount of additional borrowings Line Of Credit Facility Maximum Amount Of Additional Borrowings The maximum aggregate amount of additional borrowings which is allowed under the credit facility provided that such request for additional borrowings meet the minimum borrowing requirement. Other assets Other Noncurrent Assets [Member] Write-offs, Net of Recoveries SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Investments Short-term Investments Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Provision for income taxes Provision for income taxes Total provision for income taxes Income Tax Expense (Benefit) Accounts receivable, net of reserves of $6,431 at August 31, 2021 and $7,987 at August 31, 2020 Accounts Receivable, after Allowance for Credit Loss, Current Asia Pacific Asia Pacific [Member] Proceeds from debt Proceeds from Issuance of Long-term Debt Equity Components [Axis] Equity Components [Axis] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Entity Voluntary Filers Entity Voluntary Filers Total current assets Assets, Current Concentration Risk Type [Domain] Concentration Risk Type [Domain] Total Lessee, Operating Lease, Liability, to be Paid Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Denominator Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Expected to vest, aggregate intrinsic value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expected To Vest, Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expected To Vest, Intrinsic Value Results of Operations and Total Assets Schedule of Segment Reporting Information, by Segment [Table Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Shares of Common Stock Outstanding Schedule of Stockholders Equity [Table Text Block] Entity File Number Entity File Number Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] U.S. federal Deferred Federal Income Tax Expense (Benefit) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Statement of Financial Position [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Weighted Average Shares Outstanding Schedule of Weighted Average Number of Shares [Table Text Block] Entity Small Business Entity Small Business Grantee Status [Axis] Grantee Status [Axis] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Weighted average estimated fair value (in dollars per share) Weighted average estimated fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Non-employee Directors grant Non-Employee Director Grant [Member] Information pertaining to non-employee director grant awards. 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