Non-Conforming EPTAs [Member] Valuation Allowances And Reserves Type [Axis] Carrying Value [Member] Fair Value By Balance Sheet Grouping Disclosure Item Amounts [Axis] Estimated Fair Value [Member] Level 1 Member FairValueByFairValueHierarchyLevel [Axis] Level 2 Member Level 3 Member Acquisition Contingent Consideration Member Stores Online Member StatementBusinessSegments [Axis] Crexendo Web Services Member Crexendo Network Services Member Unallocated Corporate Items Member Common Stock Equity Components [Axis] Additional Paid-In Capital Accumulated Deficit Outstanding stock options Antidilutive Securities [Axis] Restricted shares held in escrow Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity a Well-known Seasoned Issuer? Is Entity a Voluntary Filer? Is Entity's Reporting Status Current? Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Assets Current Assets: Cash and cash equivalents Restricted cash Trade receivables, net of allowance of doubtful accounts of $1,993 as of September 30, 2012 and $3,512 as of December 31, 2011 Inventories Equipment financing receivables Income taxes receivable Prepaid expenses and other Total Current Assets Certificate of deposit Long-term trade receivables, net of allowance of doubtful accounts of $349 as of September 30, 2012 and $1,949 as of December 31, 2011 Long term equipment financing receivables Property and equipment, net Deferred income tax assets, net Intangible assets Goodwill Other long-term assets Total Assets Liabilities and Stockholders' Equity Current Liabilities: Accounts payable Accrued expenses and other Dividend payable Deferred income tax liability Deferred revenue, current portion Total Current Liabilities Deferred revenue, net of current portion Other long-term liabilities Total Liabilities Stockholders Equity Preferred stock, par value $0.001 per share - authorized 5,000,000 shares; none issued Common stock, par value $0.001 per share - authorized 100,000,000 shares; 10,669,201 shares outstanding as of September 30, 2012 and 10,523,078 shares outstanding as of December 31, 2011 Additional paid-in capital Accumulated deficit Total Stockholders' Equity Total Liabilities and Stockholders' Equity Allowance for Doubtful Accounts - Trade Receivables Allowance for Doubtful accounts - Long Term Trade Receivables Preferred Stock par value Preferred Stock Shares Authorized Preferred Stock Issued Common Stock par value Common Stock Shares Authorized Common Stock Outstanding Income Statement [Abstract] Revenue Operating expenses: Cost of revenue Selling and marketing General and administrative Research and development Total operating expenses Income (loss) from operations Other income (expense): Interest income Interest expense Other income (expense), net Total other income, net Income (loss) before income tax provision Income tax benefit (provision) Net income (loss) Net income (loss) per common share: Basic Diluted Dividends per common share Weighted-average common shares outstanding: Basic Diluted Statement [Table] Statement [Line Items] Beginning Balance, Amount Beginning Balance, Shares Expense for stock options granted to employees Proceeds from the exercise of stock options, Amount Proceeds from the exercise of stock options, Shares Dividends declared Net loss Ending Balance, Amount Ending Balance, Shares Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Net income (loss) Adjustments to reconcile net loss to net cash provided by (used for) operating activities: Depreciation and amortization Impariment of inventory and intangible assets Loss on subsidiary Expense for stock options issued to employees Deferred income tax provision Change in uncertain tax positions Changes in assets and liabilities: Trade receivables Equipment financing receivables Inventories Income taxes receivable Prepaid expenses and other Other long-term assets Accounts payable, accrued expenses and other Deferred revenue Other long-term liabilities Net cash provided by (used for) operating activities CASH FLOWS FROM INVESTING ACTIVITIES Acquisition of property and equipment Investment in subsidiary Net cash used for investing activities CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from exercise of options Repurchase of common stock Payments made on contingent consideration Dividend payments Net cash used for financing activities NET DECREASE IN CASH AND CASH EQUIVALENTS CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS, END OF PERIOD Supplemental disclosure of cash flow information: Cash paid (received) during the period: Interest Cash paid (received) during the period: Income taxes Supplemental disclosure of non-cash investing and financing information: Dividends declared Purchase of property and equipment included in accounts payable Description Of Business 1. Description of Business Summary Of Significant Accounting Policies 2. Summary of Significant Accounting Policies Dividends [Abstract] 3. Dividends Net Income Loss Per Common Share 4. Net Income (Loss) Per Common Share Restricted Cash 5. Restricted Cash Trade Receivables Net 6. Trade Receivables net Equipment Financing Receivables 7. Equipment Financing Receivables Income Taxes 8. Income Taxes Fair Value Measurements 9. Fair Value Measurements Commitments And Contingencies 10. Commitments and Contingencies Segment Information 11. Segment Information Subsequent Events [Abstract] 12. Subsequent Events Summary Of Significant Accounting Policies Policies Basis of Presentation Revenue Recognition Use of Estimates Recently Adopted Accounting Guidance Significant Customers Dividends Tables Dividends Net Income Loss Per Common Share Tables Basic and diluted net income (loss) per common share Common stock not included in the computation of diluted income (loss) per share Trade Receivables Net Tables Trade Receivables, net Equipment Financing Receivables Tables Equipment Financing Receivables Fair Value Measurements Tables Financial instruments Liabilities measured at fair value on a recurring basis Assets for which fair value is disclosed Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Notes to Financial Statements Information on reportable segments and reconciliation to condensed consolidated net (loss) income Dividends Details Dividends Declaration Date Per Share Dividend Record Date Total Amount Payment Date Net Income Loss Per Common Share Details Net income (loss) (in thousands) Weighted-average share reconciliation: Weighted-average shares outstanding Weighted-average restricted shares held in escrow Weighted-average basic shares outstanding Dilutive employee stock options Dilutive restricticed shares held in escrow Diluted shares outstanding Antidilutive Securities Excluded from Computation of Earnings Per Share Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation Allowances and Reserves Type [Axis] Non-EPTA trade receivables Conforming EPTAs 1 - 30 days 31 - 60 days 61 - 90 days Gross trade receivables Less allowance for doubtful accounts Trade receivables, net Current trade receivables, net Long-term trade receivables, net Trade receivables, net Equipment Financing Receivables Details Gross financing receivables Less unearned income Financing receivables, net Less: Billed portion of financing receivables, net Less: Current portion of finance receivables not billed, net Finance receivables due after one year Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Assets: Trade receivables, net Liabilities: Contingent consideration Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Fair Value, Hierarchy [Axis] Trade Receivables, net Financing receivables, net Intangible Assets Acquisition Contingent Consideration Balance as of January 1, 2012 Purchases, sales and settlements, net Transfers in and/or (out) of Level 3 Balance as of September 30, 2012 Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Business Segments [Axis] Segment Information Income (Loss) from Operations Other Income, net Income (loss) before income tax benefit Net Income Loss Per Common Share Details Narrative Restricted Cash Details Narrative Restricted cash  Equipment Financing Receivables Details Narrative Equipment Financing Receivables - period of collection Income Taxes Details Narrative Effective tax rate Income tax provision (benefit) Commitments And Contingencies Details Narrative Liabilities relating to legal proceedings Assets, Current Assets [Default Label] Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Expenses Interest Expense Nonoperating Income (Expense) Current Income Tax Expense (Benefit) Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Shares, Issued Gain (Loss) on Sale of Stock in Subsidiary Increase (Decrease) in Accounts Receivable IncreaseDecreaseInEquipmentFinancingReceivables Increase (Decrease) in Inventories Increase (Decrease) in Income Taxes Receivable Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Other Noncurrent Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Machinery and Equipment Payments to Acquire Interest in Subsidiaries and Affiliates Net Cash Provided by (Used in) Investing Activities Payments for Repurchase of Common Stock PaymentsMadeOnContingentConsideration Payments of Dividends Net Cash Provided by (Used in) Financing Activities Dividends, Common Stock Equipment Financing Receivables [Default Label] Accounts Receivable, Net Accounts Receivable, Fair Value Disclosure FinancingReceivablesNetFairValue Segment Reporting Information, Revenue for Reportable Segment [Abstract] Acquisition Contingent Consideration Member. Change In Uncertain Tax Positions. Crexendo Network Services Member. Crexendo Web Services Member. Dilutive Restricticed Shares Held In Escrow. Dividends Text Block. Equipment Financing Receivables. Equipment Financing Receivables Non Current. Equipment Financing Receivables. Finance Receivables Due Afte rOne Year. Impariment Of Inventory And Intangible Assets. Increase Decrease In Equipment Financing Receivables. Less Billed Portion Of Financing Receivables Net. Less Current Portion Of Finance Receivables Not Billed Net. Liabilities Relating To Legal Proceedings. Payments Made On Contingent Consideration. Stores Online Member. Unallocated Corporate Items Member. Unearned Income.