Document and Entity Information -- None. No documentation exists for this element. -- Document Information [Table] Document Information [Table] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Entity Registrant Name Entity Registrant Name Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Earnings Per Share [Abstract] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed [Abstract] Business Combinations, Fair Value of Assets and Liabilities Acquired [Table] Business Combinations, Fair Value of Assets and Liabilities Acquired [Table] Business Combinations, Fair Value of Assets and Liabilities Acquired [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Spontania [Member] Spontania [Member] Spontania [Member] Sabine, Inc. [Member] Sabine, Inc. [Member] Sabine, Inc. [Member] Business Combinations, Fair Value of Assets and Liabilities Acquired [Line Items] Business Combinations, Fair Value of Assets and Liabilities Acquired [Line Items] [Line Items] for Business Combinations, Fair Value of Assets and Liabilities Acquired [Table] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Business Combinations [Abstract] Schedule of Finite and Indefinite Lived Intangible Assets by Major Class Schedule of Finite and Indefinite Lived Intangible Assets by Major Class [Table] Schedule of Finite and Indefinite Lived Intangible Assets by Major Class [Table] [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Computer Software, Intangible Asset [Member] Computer Software, Intangible Asset [Member] Tradename Trade Names [Member] Patents and technological know-how Patents and Technology [Member] Patents and Technology [Member] Proprietary Software [Member] Proprietary Software [Member] Proprietary Software [Member] Other Other Credit Derivatives [Member] Finite and Indefiite-Lived Intangible Assets [Line Items] Finite and Indefiite-Lived Intangible Assets [Line Items] Finite and Indefiite-Lived Intangible Assets [Line Items] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Finite-lived intangible assets, useful life (in years) Finite-Lived Intangible Asset, Useful Life Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Total finite and indefinite-lived intangible assets, gross Finite and Indefinite-Lived Intangible Assets, Gross Finite and Indefinite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net (excluding goodwill) Intangible Assets, Net (Excluding Goodwill) Amortization of Intangible Assets Amortization of Intangible Assets Accounting Policies [Abstract] Business Description, Basis of Presentation and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Investments, Debt and Equity Securities [Abstract] Marketable Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Stockholders' Equity Note [Abstract] Schedule of Shareholders' Equity Schedule of Stockholders Equity [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Common Stock: Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, sharse issued (in shares) Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Due within one year, Amortized Cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due within one year, Estimated fair value Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due after one year through five years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due after one year through five years, Estimated fair value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due after five years through ten years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after five years through ten years, Estimated fair value Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Total available-for-sale securities, Amortized Cost Available-for-sale Securities, Amortized Cost Basis Total available-for-sale securities, Estimated fair value Available-for-sale Securities Subsequent Event [Table] Subsequent Event [Table] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] QuarterlyDividend-Q1 [Member] QuarterlyDividend-Q1 [Member] QuarterlyDividend-Q1 [Member] - Dividends paid in or relating to the first quarter of the reporting year either as part of a regular quarterly dividend or to distinguish dividends reported on a YTD summary dividend schedule. Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Dividends Payable, Date to be Paid Dividends Payable, Date to be Paid Dividends Payable, Date of Record Dividends Payable, Date of Record Shareholders' Equity and Share-based Payments [Abstract] Shareholders' Equity and Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock-based compensation expense Employee Benefits and Share-based Compensation unrecognized compensation cost related to non-vested stock options, net of forfeitures Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Outstanding, weighted average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at the beginning of the period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net income Net Income (Loss) Attributable to Parent Share-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition Tax benefit - stock option exercise Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Exercise of stock options Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options Dividends Dividends, Cash Stock issued for acquisitions Stock Issued During Period, Value, Acquisitions Unrealized gain or loss on investments, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Balance at end of the period Business Combinations - Consideration Transferred [Abstract] Business Combinations - Consideration Transferred [Abstract] Business Acquisitions [Table] Business Acquisitions, Consideration Transferred [Table] Business Acquisitions, Consideration Transferred [Table] Business Acquisitions, Consideration Transferred [Line Items] Business Acquisitions, Consideration Transferred [Line Items] [Line Items] for Business Acquisitions, Consideration Transferred [Table] Business Acquisitions, Consideration Transferred [Table Text Block] Business Acquisitions, Consideration Transferred [Table Text Block] [Table Text Block] for Business Acquisitions, Consideration Transferred [Table] Share-Based Compensation Shareholders' Equity and Share-based Payments [Text Block] Inventory Disclosure [Abstract] Schedule of inventory, net of reserves Schedule of Inventory, Current and Non-Current [Table Text Block] Schedule of Inventory, Current and Non-Current [Table Text Block] Schedule of Non-Current Inventory Valuation Losses Schedule of Non-Current Inventory Valuation Losses [Table Text Block] Schedule of Non-Current Inventory Valuation Losses [Table Text Block] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Marketable securities Marketable Securities, Current Receivables, net of allowance for doubtful accounts of $79 and $58, respectively Accounts Receivable, Net, Current Inventories Inventory, Net Distributor channel inventories Deferred Costs, Current Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other assets Other Assets, Current Total current assets Assets, Current Long-term marketable securities Marketable Securities, Noncurrent Long-term inventories, net Inventory, Noncurrent Property and equipment, net Property, Plant and Equipment, Net Intangibles, net Goodwill Goodwill Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Deferred product revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Deferred rent Deferred Rent Credit, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Shareholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common stock, par value $0.001, 50,000,000 shares authorized, 9,111,790 and 9,097,827 shares issued and outstanding Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders' equity Total liabilities and shareholders' equity Liabilities and Equity Fair Value Disclosures [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventory, Current [Table] Inventory, Current [Table] Inventory [Axis] Inventory [Axis] Inventory [Domain] Inventory [Domain] Inventory [Line Items] Inventory [Line Items] Losses incurred on valuation of inventory and write-off of obsolete inventory Loss On Inventory Valuation With Obsolete Inventory Write Off Loss On Inventory Valuation With Obsolete Inventory Write Off Current: Raw materials Inventory, Raw Materials, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Inventoryincludingdistributorchannelinventories,net Inventoryincludingdistributorchannelinventories,net Inventoryincludingdistributorchannelinventories,net - Inventories inclusive of inventory amounts relating to certain certain deferred distributor channel sales. Long-term: Assets, Noncurrent [Abstract] Raw materials Inventory, Noncurrent, Raw Materials, Net of Reserves Inventory, Noncurrent, Raw Materials, Net of Reserves Finished Goods Inventory, Noncurrent, Finished Goods, Net of Reserves Inventory, Noncurrent, Finished Goods, Net of Reserves Inventory, Noncurrent Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Other Intangible Assets [Member] Other Intangible Assets [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] 2015 (remainder) Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Business Combinations, Pro Forma Information [Table] Business Combinations, Pro Forma Information [Table] Business Combinations, Pro Forma Information [Table] Business Combinations, Pro Forma Information [Line Items] Business Combinations, Pro Forma Information [Line Items] [Line Items] for Business Combinations, Pro Forma Information [Table] Business Acquisition, Pro Forma Information [Table Text Block] Business Acquisition, Pro Forma Information [Table Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Schedule of share-based compensation expense Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Net Income (Loss) Business Acquisition, Pro Forma Net Income (Loss) Business Acquisition, Pro Forma Earnings Per Share, Basic Business Acquisition, Pro Forma Earnings Per Share, Basic Business Acquisition, Pro Forma Earnings Per Share, Diluted Business Acquisition, Pro Forma Earnings Per Share, Diluted Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Debt Security [Axis] Debt Security [Axis] Major Types of Debt Securities [Domain] Major Types of Debt Securities [Domain] Corporate Debt Securities [Member] Corporate Debt Securities [Member] Municipal Bonds [Member] Municipal Bonds [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Amortized cost Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Gross unrealized holding losses Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax Estimated fair value Income Tax Rate Disclosures [Abstract] Income Tax Rate Disclosures [Abstract] Effective tax rate, forecasted Effective tax rate, forecasted The forecasted effective income tax rate for the period. Effective Income Tax Rate, Continuing Operations, Forecasted Increase (Decrease) in Rate Effective Income Tax Rate, Continuing Operations, Forecasted Increase (Decrease) in Rate This tag represents the increase or decrease between the prior period effective income tax rate and the current period forecasted effective income tax rate. Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent Effective tax rate, including loss jurisdictions Effective tax rate, including loss jurisdictions The forecasted effective tax rate which includes loss jurisdiction for which no benefit from forecasted current year losses is anticipated. Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Effective Tax Rate, After Discreet Benefits Effective Tax Rate, After Discreet Benefits Effective Tax Rate, After Discreet Benefits Income Statement [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Revenue Revenue, Net Cost of goods sold Cost of Goods Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Sales and marketing Selling and Marketing Expense Research and product development Research and Development Expense General and administrative General and Administrative Expense Total operating expenses Operating Expenses Operating income Operating Income (Loss) Other income, net Other Operating Income (Expense), Net Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net income Basic earnings per common share Earnings Per Share, Basic Diluted earnings per common share Earnings Per Share, Diluted Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized gain on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Change in foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fair Value Measurements Fair Value Disclosures [Text Block] Intangible Assets Intangible Assets Disclosure [Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Investments, Fair Value Disclosure Investments, Fair Value Disclosure Inventories Inventory Disclosure [Text Block] Restricted Stock [Member] Restricted Stock [Member] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Cash [Member] Cash [Member] Reserve for Earn-out Receivable [Member] Reserve for Earn-out Receivable [Member] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Schedule of Intangible Assets Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block] Schedule of Estimated Future Amortization Expense of Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Available-for-sale Securities Reconciliation Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Available-for-sale Securities Available-for-sale Securities [Table Text Block] Business Combinations, Fair Value of Assets and Liabilities Acquired [Table Text Block] Business Combinations, Fair Value of Assets and Liabilities Acquired [Table Text Block] [Table Text Block] for Business Combinations, Fair Value of Assets and Liabilities Acquired [Table] Business Acquisitions, Assets and Liabilities Acquired [Table Text Block] Business Acquisitions, Assets and Liabilities Acquired [Table Text Block] [Table Text Block] for Business Acquisitions, Assets and Liabilities Acquired [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income to net cash provided by operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization expense Other Depreciation and Amortization Amortization of deferred rent Amortization of Other Deferred Charges Provision for (recoveries of) doubtful accounts, net Provision for Doubtful Accounts Write-down of inventory to net realizable value Inventory Write-down Loss on disposal of assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Tax benefit from exercise of stock options Excess Tax Benefit from Share-based Compensation, Operating Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Receivables Inventories Increase (Decrease) in Inventories Deferred income taxes Increase (Decrease) in Deferred Income Taxes Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Income taxes payable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Deferred product revenue Increase (Decrease) in Deferred Revenue Other long-term liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Payment towards business acquisitions Other Payments to Acquire Businesses Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Purchase of patents Payments to Acquire Intangible Assets Proceeds from maturities and sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Purchases of marketable securities Payments to Acquire Marketable Securities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from the exercise of stock options Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Tax benefits from stock options Excess Tax Benefit from Share-based Compensation, Financing Activities Stock registration costs Payments of Stock Issuance Costs Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes Income Taxes Paid Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block]