Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable, net of allowance for doubtful accounts of $2,491 at March 31, 2014 and $2,449 at December 31, 2013 Accrued Liabilities Current Accrued expenses Accrued expenses, Total Accrued Professional Fees Current Professional fees Accrued Royalties Current Royalties Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, accumulated depreciation Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income Acquired intangible assets accumulated amortization. Acquired Intangible Assets Accumulated Amortization Intangible assets accumulated amortization Intangible assets, accumulated amortization Additional Paid In Capital Additional paid-in capital Additions during the period to the restructuring reserve. Additions To Restructuring Reserve Accruals Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Allocated Share Based Compensation Expense Amounts for share-based compensation awards Allowance For Doubtful Accounts Receivable Current Accounts receivable, allowance for doubtful accounts Amendment Flag Amendment Flag Amortization Expense [Member] Amortization Expense [Member] Total amortization expense [Member] Amortization Of Intangible Assets Amortization of purchased intangible assets Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Weighted-average options, RSUs, and ESPP shares outstanding Asia And Australia [Member] Asia And Australia [Member] Asia and Australia [Member] Assets Assets by Geographic Concentration, Total Total assets Identifiable assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Assets Fair Value Disclosure Total financial assets Assets Fair Value Disclosure [Abstract] Assets: Available For Sale Securities Estimated Fair Value Available For Sale Securities [Abstract] Available-for-sale: Available For Sale Securities Amortized Cost Amortized Cost Net amount of accumulated unrealized gains (losses) on investments in available-for-sale securities that are recognized in Accumulated Other Comprehensive Income (AOCI). Availableforsale Securities Gross Unrealized Gain Loss Accumulated In Aoci Net unrealized gains (losses) Available For Sale Securities Gross Unrealized Gains Gross Unrealized Gains Available For Sale Securities Gross Unrealized Loss Gross Unrealized Losses Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Basis Of Accounting Policy Policy [Text Block] Basis of Presentation C A Canada [Member] Cash And Cash Equivalents At Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash And Cash Equivalents At Carrying Value [Abstract] Cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase in cash and cash equivalents Cash Equivalents At Carrying Value Total cash equivalents Cash [Member] Cash [Member] Cash paid during the year. Cash Paid During Year [Abstract] Cash paid during the year for: Certificates Of Deposit [Member] Certificates of deposit [Member] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock, par value $0.001; 50,000 shares authorized, 34,315 and 34,097 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively Comprehensive Income Net Of Tax Total comprehensive loss Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk By Type [Axis] Concentration Risk Type [Axis] Concentration Risk Percentage 1 Concentration percentage Concentration Risk Type [Domain] Concentration Risk Type [Domain] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Statements Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Consolidation Policy [Text Block] Principles of Consolidation Corporate debentures bonds. Corporate Debentures Bonds [Member] Corporate debentures / bonds [Member] Cost Of Revenue Cost of net revenues Cost Of Sales [Member] Cost of net revenues [Member] Current Fiscal Year End Date Current Fiscal Year End Date Customer Concentration Risk [Member] Customer Concentration [Member] Debt Instrument Basis Spread On Variable Rate 1 Borrowings under the facility interest rate Debt Instrument Interest Rate Stated Percentage Secured note interest rate percentage Debt Instrument Term Secured note maturity period Deferred Other Tax Expense Benefit Deferred tax benefits including income tax expense Deferred Revenue Deferred revenue Deferred Tax Assets Liabilities Net Net deferred tax assets Deferred Tax Assets Net Current Deferred tax assets, net Deferred Tax Assets Net Noncurrent Deferred tax assets, net Deferred Tax Assets Valuation Allowance Valuation allowance Depreciation And Amortization Depreciation and amortization Developed Technology Rights [Member] Developed technologies [Member] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Share-Based Compensation Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Summary of Share-Based Compensation Awards Document and entity information. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic And Diluted Basic and diluted Earnings Per Share Basic And Diluted [Abstract] Net loss per share: Earnings Per Share [Text Block] Earnings Per Share Effect Of Exchange Rate On Cash And Cash Equivalents Effect of exchange rates on cash and cash equivalents E M E A [Member] Europe, Middle East and Africa [Member] Employee Related Liabilities Current Payroll and related expenses Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Severance [Member] Employee Severance Costs [Member] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity [Abstract] Equity [Abstract] Europe, Latin America and Asia. 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Intangible Assets Impaired Accumulated Impairment Loss Accumulated Impairment Intangible Assets Net Excluding Goodwill Intangible assets, net of accumulated amortization of $13,235 at March 31, 2014 and $12,983 at December 31, 2013 Purchased intangible assets net Intangible Liability Disclosure [Abstract] Intangible Liability Disclosure [Abstract] Intangible Liability Disclosure [Abstract] Interest Income Expense Nonoperating Net Interest income, net Interest Paid Net Interest Internal Revenue Code Ownership Percentage Change Internal Revenue Code Ownership Percentage Change Internal revenue code, cumulative change in ownership Internal Revenue Code Ownership Percentage Change Description Internal Revenue Code Ownership Percentage Change Description Internal revenue code related to annual use of operating loss carry forwards Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Inventory Finished Goods Finished goods Inventory Net Inventories Total inventory Inventory Raw Materials Raw materials and components Inventory Write Down Inventory provision Investments Debt And Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Member] Investments [Domain] Latin America [Member] Latin America [Member] Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities and stockholders' equity Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Licensing Agreements [Member] Acquired software licenses [Member] Line Of Credit Facility Amount Outstanding Outstanding borrowings under the credit facility Line Of Credit Facility Maximum Borrowing Capacity Company's unused borrowing capacity under credit facility Lines Of Credit Current Short-term margin loan facility Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Litigation Settlement Amount Settlements on legal matters Long Term Investments Total long-term marketable securities Long term marketable securities. 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Marketable Securities Maturity In Years Maturity in Years Marketable Securities Noncurrent Marketable securities Marketable Securities Restricted Current Restricted marketable securities Marketable Securities [Text Block] Summary of Marketable Securities Available-for-Sale Carrying value as of the balance sheet date of obligations incurred through that date and payable for market development funds and price protection. Market Development Fund And Price Protection Market development funds and price protection Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Mobile computing products. Mobile Computing Products [Member] Mobile Computing Products [Member] Municipal Bonds [Member] Municipal bonds [Member] Net Cash Provided By Used In Financing Activities Net cash provided by (used in) financing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities: Net Cash Provided By Used In Investing Activities Net cash provided by (used in) investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities: Net Income Loss Net loss Net loss Non Cash Income Tax Expense Benefit Non Cash Income Tax Expense Benefit Non-cash income tax benefit Operating Costs And Expenses [Abstract] Operating costs and expenses: Operating Expense [Member] General and administrative expenses [Member] Operating Expenses Total operating costs and expenses Operating Income Loss Operating loss Operating loss Operating Income Loss [Abstract] Operating loss by reportable segment: Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Basis of Presentation Other Accrued Liabilities Current Other Other Assets Noncurrent Other assets Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Unrealized gain (loss) on cash equivalents and marketable securities, net of tax Other Intangible Assets [Member] Other [Member] Other Liabilities Noncurrent Other long-term liabilities Other Nonoperating Income Expense Other expense, net Other Nonoperating Income Expense [Abstract] Other income (expense): Other Related Exit Costs [Member] Other Related Exit Costs [Member] Facility Exit Related Costs [Member] Payables And Accruals [Abstract] Payables and Accruals [Abstract] Payments For Restructuring Payments Payments To Acquire Marketable Securities Purchases of marketable securities Payments To Acquire Property Plant And Equipment Purchases of property and equipment Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Preferred Stock Shares Authorized Preferred stock, shares authorized Preferred Stock Shares Outstanding Preferred stock, shares outstanding Preferred Stock Value Preferred stock, par value $0.001; 2,000 shares authorized and none outstanding Prepaid Expense And Other Assets Current Prepaid expenses and other Proceeds From Repayments Of Restricted Cash Financing Activities Restricted cash relating to short-term debt Proceeds From Repayments Of Short Term Debt Proceeds from the issuance of short-term debt, net of issuance costs Proceeds From Sale And Maturity Of Marketable Securities Marketable securities maturities / sales Proceeds From Stock Option Exercises And ESPP Net Of Taxes Paid On Vested Restricted Stock Units Proceeds From Stock Option Exercises And Espp Net Of Taxes Paid On Vested Restricted Stock Units Proceeds from stock option exercises and ESPP net of taxes paid on vested restricted stock units Product Warranty Accrual Warranty liability at end of period Warranty liability at beginning of period Product warranty Product Warranty Accrual Payments Deductions from/use of liability Product Warranty Accrual Warranties Issued Additions charged to operations Product warranty coverage period. 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