Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Sabine, Inc. (Sabine) [Member] Sabine, Inc. (Sabine) [Member] Sabine, Inc. (Sabine) [Member] Spontania [Member] Spontania [Member] Spontania [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid and other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Goodwill Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Trade accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Accrued liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Stock registration costs Business Acquisition, Transaction Costs Total Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Accounting Policies [Abstract] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Reserve for Earn-out Receivable [Member] Reserve for Earn-out Receivable [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] Cash Payments to Acquire Businesses, Gross Common stock Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High Total Business Combination, Consideration Transferred Stockholders' Equity Note [Abstract] Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Intangible Assets Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income during the period Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by (used in) 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 Stock-based compensation expense Employee Benefits and Share-based Compensation Provision for doubtful accounts, net Provision for Doubtful Accounts Inventory valuation reserve adjustments Inventory Write-down Loss on disposal of assets Gain (Loss) on Disposition of Assets Tax benefit from the 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 (used in) 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 Purchase of marketable securities Payments to Acquire Marketable Securities Net cash 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 benefit from stock options Excess Tax Benefit from Share-based Compensation, Financing Activities Stock registration costs Payments of Stock Issuance Costs Treasury stock purchased Payments for Repurchase of Common Stock Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net 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 Carrying Value Cash and cash equivalents at the end of the period Supplemental disclosure of cash flow information: Supplemental Cash Flow Elements [Abstract] Cash paid for income taxes Income Taxes Paid Issuance of common stock in connection with acquisition of business Stock Issued During Period, Value, Acquisitions Earnings Per Share, Basic and Diluted [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Numerator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Denominator: Denominator [Abstract] Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Dilutive common stock equivalents using treasury stock method Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Basic earnings per common share Earnings Per Share, Basic Diluted earnings per common share Earnings Per Share, Diluted Weighted average options outstanding Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Anti-dilutive options not included in the computations Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Consideration Paid for the Acquisition Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] Schedule of Fair Value of Identified Assets and Liabilities Acquired Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Revenue and Earnings of the Combined Entity as Though the Business Combination Business Acquisition, Pro Forma Information [Table Text Block] Schedule of Finite-Lived and Indefinite-Lived 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 Finite-Lived Intangible Assets Amortization Expense Schedule of Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Revenue Business Acquisition, Pro Forma Revenue Earnings Business Acquisition, Pro Forma Net Income (Loss) Basic earnings per common share Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted earnings per common share Business Acquisition, Pro Forma Earnings Per Share, Diluted Investments, Debt and Equity Securities [Abstract] Marketable Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Inventory Disclosure [Abstract] Current: Assets, Current [Abstract] Inventory, Current, Raw Materials, Net of Reserves Inventory, Current, Raw Materials, Net of Reserves Inventory, Current, Raw Materials, Net of Reserves - current inventory in the form of raw materials Inventory, Current, Finished Goods, Net of Reserves Inventory, Current, Finished Goods, Net of Reserves Inventory, Current, Finished Goods, Net of Reserves Inventories, current Inventory, Net 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 Inventory, Noncurrent Inventory, finished goods, amount under consignment Inventory, Finished Goods, Net of Reserves, Amount Under Consignment Inventory, Finished Goods, Net of Reserves, Amount Under Consignment 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 Due within one year, Amortized cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due after one year through five years, Amortized cost Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due after five years through ten years, Amortized cost Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Total available-for-sale securities, Amortized cost Available-for-sale Securities, 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, Estimated fair value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value 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, Estimated fair value Available-for-sale Securities Inventories Inventory Disclosure [Text Block] Warranty Costs Standard Product Warranty, Policy [Policy Text Block] Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Balance at the beginning of year Product Warranty Accrual Warranty accruals/additions Product Warranty Accrual, Warranties Issued Warranty usage Product Warranty Accrual, Payments Balance at end of period Business Combination Business Combination Disclosure [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] Income Statement [Abstract] 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 Diluted earnings per common share Diluted weighted average shares outstanding Unrealized gain (loss) on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Income Tax Disclosure [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 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 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] Schedule of Shareholders' Equity Schedule of Stockholders Equity [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Inventory [Axis] Inventory [Axis] Inventory [Domain] Inventory [Domain] Inventories [Member] Inventories [Member] Distributor Channel Inventory [Member] Distributor Channel Inventory [Member] Distributor Channel Inventory [Member] - Inventory having right of return provisions held by key distributors. Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current assets: Cash and cash equivalents Marketable securities Marketable Securities, Current Receivables, net of allowance for doubtful accounts of $107 and $129, respectively Accounts Receivable, Net, Current Inventory, Net 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 Property and equipment, net Property, Plant and Equipment, Net Intangibles, net Intangible Assets, Net (Excluding Goodwill) 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, 9,235,494 and 8,986,080 shares issued and outstanding Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and shareholders' equity Liabilities and Equity Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Compensation Expense Shareholders' Equity and Share-based Payments [Text Block] 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 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] Schedule of share-based compensation expense Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Cash Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Common stock Business Combination, Acquired Receivables, Estimated Uncollectible Business Combination, Acquired Receivables, Estimated Uncollectible Pro forma revenue Proforma net loss Acquisition related costs Business Combination, Acquisition Related Costs Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Income Statement Location [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Income Statement Location [Domain] Cost of goods sold Cost of Goods, Total [Member] Sales and marketing Selling and Marketing Expense [Member] Research and product development Research and Development Expense [Member] General and administrative General and Administrative Expense [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 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 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 Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] 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] 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] Available-for-sale Securities, Fair Value Disclosure Fair Value Measurements Fair Value Disclosures [Text Block] 2014 (remainder) Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2018 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 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at the beginning of the period Treasury stock purchased Treasury Stock, Value, Acquired, Cost Method Share-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition Tax benefit - stock option exercises Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Stock issued for acquisition Unrealized gain or loss in investments Unrealized Gain (Loss) on Investments Balance at end of the period Business Description, Basis of Presentation and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Debt Security [Axis] Debt Security [Axis] Major Types of Debt Securities [Domain] Major Types of Debt Securities [Domain] Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax 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 Minimum [Member] Maximum 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] Tradename Trade Names [Member] Patents and technological know-how Patents and Technology [Member] Patents and Technology [Member] Proprietary software Proprietary Software [Member] Proprietary Software [Member] Other Other Credit Derivatives [Member] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Finite and Indefiite-Lived Intangible Assets [Line Items] Finite and Indefiite-Lived Intangible Assets [Line Items] Finite and Indefiite-Lived Intangible Assets [Line Items] 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 Intangibles, net Amortization of intangibles with finite lives Amortization of Intangible Assets Finite-lived intangible assets, useful life (in years) Finite-Lived Intangible Asset, Useful Life