Intangible Assets Disclosure [Text Block] Increase (Decrease) in Operating Liabilities {1} Increase (Decrease) in Operating Liabilities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest {1} Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Liabilities Liabilities Deferred Compensation Liability, Classified, Noncurrent {1} Deferred Compensation Liability, Classified, Noncurrent Liabilities, Noncurrent {1} Liabilities, Noncurrent Nonoperating Income (Expense) {1} Nonoperating Income (Expense) Research and product development Revenues Revenues Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest {1} Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Entity Public Float Net Cash Provided by (Used in) Financing Activities {1} Net Cash Provided by (Used in) Financing Activities Payments to Acquire Businesses, Net of Cash Acquired Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Additional Paid-in Capital Common Stock, Shares Outstanding Property and Equipment, net Balance Sheets - Parenthetical Earnings Per Share, Basic Preferred Stock Dividends and Other Adjustments {1} Preferred Stock Dividends and Other Adjustments Proceeds from litigation Net Income (Loss) Attributable to Parent {1} Net Income (Loss) Attributable to Parent Document Type Business Combination Disclosure [Text Block] Business Combinations Other Income and Other Expense Disclosure, Nonoperating Net Cash Provided by (Used in) Operating Activities {1} Net Cash Provided by (Used in) Operating Activities Accrued Liabilities, Current Cost of Goods Sold Increase (Decrease) in Other Operating Assets {1} Increase (Decrease) in Other Operating Assets Deferred Revenue {1} Deferred Revenue Accounts Payable, Current Assets, Noncurrent {1} Assets, Noncurrent Total current assets Total current assets Earnings Per Share, Diluted Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Entity Voluntary Filers Compensation Related Costs, Share Based Payments Increase (Decrease) in Operating Assets {1} Increase (Decrease) in Operating Assets Increase (Decrease) in Operating Capital {1} Increase (Decrease) in Operating Capital Gain (Loss) on Sale of Property Plant Equipment Provision for Doubtful Accounts Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Liabilities, Current {1} Liabilities, Current Liabilities {1} Liabilities Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Amortization of Deferred Charges {1} Amortization of Deferred Charges Gross Profit Gross Profit Revenues {1} Revenues Entity Registrant Name Income Tax Disclosure [Text Block] Liabilities and Equity {1} Liabilities and Equity Deferred Tax Assets, Gross, Current Weighted Average Number of Shares Outstanding, Diluted Income Tax Expense (Benefit) Income Tax Expense (Benefit) Other Nonoperating Income (Expense) Document Period End Date Document and Entity Information Subsequent Events [Text Block] Income Taxes Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Investing Activities Inventory Write-down Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities {1} Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Retained Earnings Investment Income, Nonoperating {1} Investment Income, Nonoperating Amendment Flag Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Shares, Outstanding Shares, Outstanding Shares, Outstanding Assets, Current {1} Assets, Current Income Statement Current Fiscal Year End Date Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Inventory Principal payments on long-term debt Increase (Decrease) in Accounts Payable Increase (Decrease) in Receivables Statement of Cash Flows Stockholders' Equity, Number of Shares, Par Value and Other Disclosures Long-term inventories, net Prepaid Expenses and Other Assets, Current Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Operating Income (Loss) Operating Income (Loss) Gross Profit {1} Gross Profit Entity Current Reporting Status Escrow proceeds received pursuant to NetStreams acquisition Increase (Decrease) in Other Operating Assets and Liabilities, Net Increase (Decrease) in Accrued Liabilities Stock-based Compensation Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Statement of Stockholders' Equity Common Stock, Shares Authorized Accumulated Deficit Inventory, Net Cash and Cash Equivalents Cash and Cash Equivalents, at Carrying Value Cash and Cash Equivalents, at Carrying Value Assets {1} Assets Selling and Marketing Expense Entity Central Index Key Other Cost and Expense Disclosure, Operating Net Cash Provided by (Used in) Investing Activities {1} Net Cash Provided by (Used in) Investing Activities Increase (Decrease) in Prepaid Expense and Other Assets Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities {1} Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Common Stock, Value, Issued Deferred income taxes, Noncurrent {1} Deferred income taxes, Noncurrent Deferred income taxes, Noncurrent Document Fiscal Year Focus Other Income and Expenses Excess Tax Benefit from Share-based Compensation, Financing Activities Payments to Acquire Property, Plant, and Equipment Increase (Decrease) in Deferred Revenue Common Stock Receivables net of allowance for doubtful accounts Weighted Average Number of Shares Outstanding, Basic Cost of Revenue Cost of Revenue Intangible Assets, Goodwill and Other Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Increase (Decrease) in Inventories Additional Paid in Capital {1} Additional Paid in Capital Assets Assets Operating Income (Loss) {1} Operating Income (Loss) Entity Filer Category Inventory Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Liabilities and Equity Liabilities and Equity Goodwill Income Tax Expense (Benefit) {1} Income Tax Expense (Benefit) Nonoperating Income (Expense) Nonoperating Income (Expense) General and Administrative Expense Statement [Line Items] Subsequent Events Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Deferred Income Taxes and Tax Credits Depreciation and Amortization Stock Issued During Period, Shares, Employee Stock Purchase Plans Statement, Equity Components [Axis] Common Stock, Shares Issued Earnings Per Share Interest and Debt Expense {1} Interest and Debt Expense Entity Common Stock, Shares Outstanding Stockholders' Equity Note Disclosure [Text Block] Net Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Operating Activities Other Liabilities, Noncurrent Document Fiscal Period Focus Equity Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Period Increase (Decrease) Equity Component Liabilities, Current Liabilities, Current Other Assets, Noncurrent {1} Other Assets, Noncurrent Operating Expenses {1} Operating Expenses Cost of Revenue {1} Cost of Revenue Revenue, Net {1} Revenue, Net Statement [Table] Entity Well-known Seasoned Issuer