Condensed Consolidated Balance Sheets Statement [Table] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Marketable Securities, Current Marketable securities Accounts Receivable, Net, Current Accounts receivable, net of allowance for doubtful accounts of $0 at June 30, 2011 and $313 at December 31, 2010 Inventory, Net Inventory Deferred Tax Assets, Net, Current Deferred income taxes Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Goodwill Goodwill Long-term Investments Investments Deferred Tax Assets, Net, Noncurrent Deferred income taxes Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Stockholders' Equity [Abstract] Liabilities and stockholders' equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Deferred Revenue, Current Current portion of deferred revenue Liabilities, Current Total current liabilities Deferred Revenue, Noncurrent Deferred revenue Liabilities Total liabilities Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.01 par value; 5,000,000 shares authorized, none issued and outstanding Common Stock, Value, Issued Common stock, $0.001 par value; 600,000,000 shares authorized; 278,481,486 shares issued and outstanding at June 30, 2011 and 277,170,262 shares issued and outstanding at December 31, 2010 Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock, common shares Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Treasury Stock, Value Treasury stock, at cost; 2,296,910 common shares Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts (in dollars) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Condensed Consolidated Statements of Operations Revenues [Abstract] Revenue: Sales Revenue, Goods, Net Product Sales Revenue, Services, Net Service Revenues Total revenue Cost of Revenue [Abstract] Cost of revenue: Cost of Goods Sold Product Cost of Services Service Cost of Revenue Total cost of revenue Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling and Marketing Expense Sales and marketing General and Administrative Expense General and administrative Restructuring Charges Restructuring Operating Expenses Total operating expenses Operating Income (Loss) Income (loss) from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other income, net Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income (loss) before income taxes Income Tax Expense (Benefit) Income tax benefit (provision) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Net income (loss) EARNINGS (LOSS) PER SHARE Earnings (loss) per share: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Shares used to compute earnings (loss) per share: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to cash flows provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization of property and equipment Amortization of Intangible Assets Amortization of intangible assets Share-based Compensation Stock-based compensation Gain (Loss) on Sale of Property Plant Equipment Loss on disposal of property and equipment Deferred Income Tax Expense (Benefit) Deferred income taxes Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Other Operating Assets Other operating assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Accrued litigation settlements Increase (Decrease) in Accrued Litigation Settlements The net change during the reporting period in the aggregate amount of ligation settlements. Increase (Decrease) in Deferred Revenue Deferred revenue Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Intangible Assets Purchase of intangible assets Payments to Acquire Marketable Securities Purchases of marketable securities Proceeds from Sale and Maturity of Marketable Securities Sale/maturities of marketable securities Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options Proceeds from sale of common stock in connection with employee stock purchase plan Proceeds from Stock Options Exercised Proceeds from exercise of stock options Repayments of Long-term Capital Lease Obligations Principal payments of capital lease obligations Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Interest Paid Interest paid Income Taxes Paid Income taxes paid Proceeds from Income Tax Refunds Income tax refunds received Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of non-cash investing activities: Capital Expenditures Incurred but Not yet Paid Capital expenditures incurred, but not yet paid Document and Entity Information REVENUE RECOGNITION Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Related Party Transactions Disclosure [Text Block] RELATED PARTIES Income Tax Disclosure [Text Block] INCOME TAXES Foreign Currency Disclosure [Text Block] FOREIGN CURRENCY TRANSLATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED COMPENSATION PLANS Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED EXPENSES Goodwill and Intangible Assets Disclosure [Text Block] INTANGIBLE ASSETS AND GOODWILL Inventory Disclosure [Text Block] INVENTORY Comprehensive Income Note [Text Block] COMPREHENSIVE INCOME (LOSS) Earnings Per Share [Text Block] EARNINGS (LOSS) PER SHARE Segment Reporting Disclosure [Text Block] GEOGRAPHIC INFORMATION Restructuring and Related Activities Disclosure [Text Block] RESTRUCTURING ACCRUAL REVENUE RECOGNITION Revenue Recognition [Text Block] This element represents the principles adopted by the entity for recognition of revenue for various products and services. Additional Paid in Capital, Common Stock Additional paid-in capital Fair Value Disclosures [Text Block] CASH EQUIVALENTS, MARKETABLE SECURITIES AND LONG-TERM INVESTMENTS Other Liabilities, Current Current portion of long-term liabilities Other Liabilities, Noncurrent Long-term liabilities Amendment Description Amendment Flag Current Fiscal Year End Date Document Period End Date Document Type Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Commitments and contingencies (Note 15) Commitments and Contingencies. Payment of tax withholding obligations related to net share settlements of restricted stock awards Adjustments Related to Tax Withholding for Share-based Compensation COMMITMENTS AND CONTINGENCIES INVENTORY BASIS OF PRESENTATION Organization Consolidation Basis of Presentation Business Description and Accounting Policies [Text Block] CASH EQUIVALENTS, MARKETABLE SECURITIES AND LONG-TERM INVESTMENTS INTANGIBLE ASSETS AND GOODWILL ACCRUED EXPENSES STOCK-BASED COMPENSATION PLANS FOREIGN CURRENCY TRANSLATION GEOGRAPHIC INFORMATION INCOME TAXES RESTRUCTURING ACCRUAL RELATED PARTIES COMPREHENSIVE INCOME (LOSS) BASIS OF PRESENTATION Concentration Risk Disclosure [Text Block] MAJOR CUSTOMERS STOCKHOLDER RIGHTS PLAN Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDER RIGHTS PLAN MAJOR CUSTOMERS Interest income, net Interest Income (Expense), Nonoperating, Net