Pre Money Valuation of Initial Public Offering for Conversion of Temporary Equity Valuation of initial public offering for conversion of preferred stock Represents the pre-money valuation of initial public offering for conversion of temporary equity. Pre-money valuation of initial public offering for conversion of Preferred Stock Number of High Credit Quality Financial Institutions with which Cash and Cash Equivalents are Deposited Number of high-credit-quality financial institutions with which cash and cash equivalents are deposited Represents the number of high-credit-quality financial institutions with which cash and cash equivalents are deposited. All Other International Sources [Member] All other international sources Represents the countries other than United States of America and Canada. Percentage of International Revenue Excluding Canada to Aggregate Revenue International revenue (excluding Canada) as a percent of total revenue Represents the percentage of international revenue (excluding Canada) to aggregate revenue. Product Warranty Period Product warranty period Represents the warranty period over which the entity is required to repair or replace defective products. Stock Based Compensation [Abstract] Stock-Based Compensation Share Based Compensation Arrangement by Share Based Payment Award, Percentage of Period from Vesting Date Added for Determination of Fair Value Assumptions Expected Term Percentage of period from the vesting date added for determination of weighted average expected life Represents the percentage of period from the vesting date added to vesting period for determination of expected term of share-based compensation awards. Net Loss Per Share and Unaudited Pro Forma Net Loss Per Share [Abstract] Net Income (Loss) Per Share Reconciliation of Numerator and Denominator in Earnings Per Share and Weighted Average Number of Shares [Abstract] Reconciliation of the numerator and denominator used in the calculation of basic and diluted net income (loss) per share and pro forma weighted-average number of common shares Warrants to Purchase Common Stock [Member] Warrants to purchase common stock Security that gives the holder the right to purchase shares of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Amendment Description Warrants to Purchase Preferred Stock [Member] Warrants to purchase preferred stock Security that gives the holder the right to purchase shares of preferred stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Amendment Flag Redeemable Convertible Preferred Stock and Stockholders' Deficit Disclosure pertaining to redeemable convertible preferred stock and stockholders deficit. Redeemable Convertible Preferred Stock and Stockholder's Deficit Disclosure [Text Block] Preferred Stock Excluding Series G 1 [Member] Preferred stock other than series G-1 Represents information pertaining to the preferred stock other than Series G-1 Preferred Stock. Temporary Equity Payment Priority [Axis] Information by payment priority for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority [Domain] Represents the payment priorities for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 1 [Member] Payment Priority 1 Represents the payment priority 1 for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 2 [Member] Payment Priority 2 Represents the payment priority 2 for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 3 [Member] Payment Priority 3 Represents the payment priority 3 for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 4 [Member] Payment Priority 4 Represents the payment priority 4 for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 5 [Member] Payment Priority 5 Represents the payment priority 5 for temporary equity at the time of liquidation of the entity. Temporary Equity Payment Priority 6 [Member] Payment Priority 6 Represents the payment priority 6 for temporary equity at the time of liquidation of the entity. Percentage of Preferred Stockholders Consent Required for Certain Transactions or Events Percentage of preferred stockholders, whose consent is required for certain transactions or events Represents the percentage of preferred stockholders consent required for certain transactions or events. Temporary Equity Conversion Price Per Share Conversion price per share (in dollars per share) Represents the amount to be paid per share that is classified as temporary equity by the entity upon conversion. Redemption Period Following Redemption Election Date Redemption period following the redemption election date Represents the redemption period following the redemption election date after which preferred stock will be redeemed if preferred stockholders elect to redeem the same. Number of Annual Installments for Redemption of Temporary Equity Number of annual installments in which redemption of remaining preferred shares will occur Represents the number of annual installments in which redemption of temporary equity occurs. Common Stock 1 [Member] Common shares 1 Represents information pertaining to the common stock 1. Transaction One [Member] Transaction 1 Information pertaining to common stock warrants; transaction one. Current Fiscal Year End Date Award Type [Axis] Transaction Two [Member] Transaction 2 Information pertaining to common stock warrants; transaction two. Document and Entity Information Intangible Asset Purchase Price under Agreement Purchase price per agreement Represents the purchase price of intangible assets under the purchase agreement entered into by the entity which is based on estimated future license sales. Intangible Assets Acquired Purchase Price Final purchase price of acquired intangible assets The purchase price of the acquired intangible assets. Class of Warrant or Right Term Term of warrant Represents the term of warrants outstanding. Temporary Equity Payment Priority and Preference [Table Text Block] Schedule of payment priority and preference to respective Preferred Stockholders in the time of liquidation Tabular disclosure of payment priority and liquidation preference related to temporary equity in the event of liquidation of the entity. Tabular disclosure of the significant assumptions used during the year to estimate the fair value of warrants, including, but not limited to: (a) expected term of warrants and similar instruments, (b) expected volatility of the entity's warrants, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Schedule of Assumptions Used for Calculation of Fair Value of Warrants [Table Text Block] Schedule of assumption used to calculate fair value of the warrants using the Black-Scholes option pricing mode Tabular disclosure of reserved shares of common stock for future issuance. Schedule of Common Stock Reserved for Future Issuance [Table Text Block] Schedule of shares of common stock reserved for future issuance Share Based Compensation Arrangement by Share Based Payment Award, Options Outstanding Weighted Average Grant Date Fair Value [Roll Forward] Weighted Average Grant Date Fair Value Share Based Compensation Arrangement by Share Based Payment Award, Options Outstanding Weighted Average Grant Date Fair Value Balance at the beginning of the period (in dollars per share) Represents the weighted-average grant-date fair value of options outstanding. Balance at the end of the period (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options Exercisable Weighted Average Grant Date Fair Value Exercisable options (in dollars per share) Represents the weighted-average grant-date fair value of options exercisable. Document Period End Date Share Based Compensation Arrangements by Share Based Payment Award, Options Exercises in Period Weighted Average Grant Date Fair Value Exercised (in dollars per share) Represents the weighted-average grant-date fair value of options exercised during period. Canada CANADA Share Based Compensation Arrangement by Share Based Payment Award, Options Vested and Expected to Vest Outstanding Weighted Average Grant Date Fair Value Vested and expected to vest (in dollars per share) Represents the weighted-average grant date fair value for outstanding stock options that are fully vested or expected to vest. Share Based Compensation Arrangement by Share Based Payment Award, Options Vested Weighted Average Exercise Price Vested during the period (in dollars per share) Represents the weighted-average exercise price for options vested. Share Based Compensation Arrangement by Share Based Payment Award, Options Nonvested Weighted Average Exercise Price Non-vested options (in dollars per share) Represents the weighted-average exercise price of non-vested options outstanding. 0.26-1.30 Represents information pertaining to the first exercise price range. Exercise Price Range One [Member] Represents information pertaining to the second exercise price range. Exercise Price Range Two [Member] 1.35-2.60 Exercise Price Range Three [Member] 2.65-3.90 Represents information pertaining to the third exercise price range. Exercise Price Range Four[Member] 3.95-5.20 Represents information pertaining to the fourth exercise price range. Exercise Price Range Five [Member] 5.25-6.50 Represents information pertaining to the fifth exercise price range. Entity [Domain] Exercise Price Range Six [Member] 6.55-7.80 Represents information pertaining to the sixth exercise price range. Exercise Price Range Seven [Member] 7.85-9.10 Represents information pertaining to the seventh exercise price range. Exercise Price Range Eight [Member] 9.15-22.77 Represents information pertaining to the eight exercise price range. Share Based Compensation Shares Authorized under Stock Option Plans Exercise Price Range Outstanding Options [Abstract] Options Outstanding Share Based Compensation Shares Authorized under Stock Option Plans Exercise Price Range Exercisable Options [Abstract] Options Exercisable Share Based Compensation Arrangement by Share Based Payment Award, Aggregate Intrinsic Value [Abstract] Intrinsic-value Share Based Compensation Arrangement by Share Based Payment Award, Fair Value Assumptions Forfeiture Rate Forfeiture rate (as a percent) Represents the forfeiture rate assumption that is used in valuing an option on its own shares. Convertible preferred stock warrant liability Redeemable Preferred Stock Warrant [Member] Security that gives the holder the right to purchase shares of redeemable preferred stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Redeemable preferred stock warrants Eragy Inc [Member] Technology company Represents information pertaining to Eragy, Inc. Deferred Income Tax Expense (Benefit) Valuation Allowance Amount of deferred income tax expense (benefit) for which it is more likely than not that a tax benefit will not be realized. Valuation allowance Unaudited Interim Financial Statements [Policy Text Block] Unaudited Interim Financial Statements Disclosure of accounting policy for unaudited interim financial statements. Initial Public Offering [Policy Text Block] Initial Public Offering Disclosure of accounting policy for initial public offering. Stock Split [Policy Text Block] Stock Split Disclosure of accounting policy for stock split. Represents the aggregate number of shares of common stock sold by the stockholders that were held by them in the initial public offering. Number of Common Stock Sold by Stockholders in Initial Public Offering Number of shares of common stock sold by stockholders in IPO Gross Proceeds from Issuance Initial Public Offering Gross proceeds from the IPO The cash inflow, without deducting underwriting commission and discount, associated with the amount received from the entity's first offering of stock to the public. Long Term Obligations Disclosure [Text Block] The entire disclosure for long-term obligations. Long-Term Obligations Warrant Common Stock [Member] Information relating to common stock warrants. Common stock warrants Warrant Redeemable Convertible Preferred Stock [Member] Information relating to redeemable convertible preferred stock warrants. Preferred stock warrants Series A Redeemable Convertible Preferred Stock [Member] Series A Outstanding redeemable convertible series A preferred stock. Series B Outstanding redeemable convertible series B preferred stock. Series B Redeemable Convertible Preferred Stock [Member] Series C Outstanding redeemable convertible series C preferred stock. Series C Redeemable Convertible Preferred Stock [Member] Series C redeemable convertible preferred stock Series D Outstanding redeemable convertible series D preferred stock. Series D Redeemable Convertible Preferred Stock [Member] Series E Outstanding redeemable convertible series E preferred stock. Series E Redeemable Convertible Preferred Stock [Member] Series E redeemable convertible preferred stock Series F Outstanding redeemable convertible series F preferred stock. Series F Redeemable Convertible Preferred Stock [Member] Series G Outstanding redeemable convertible series G preferred stock. Series G Redeemable Convertible Preferred Stock [Member] Series G - 1 Outstanding redeemable convertible series G-1 preferred stock. Series G1 Redeemable Convertible Preferred Stock [Member] Series G-1 redeemable convertible preferred stock Series H Outstanding redeemable convertible series H preferred stock. Series H Redeemable Convertible Preferred Stock [Member] Proceeds from Issuance Initial Public Offering for Automatic Conversion of Preferred Stock Represents the proceeds that must be received from the initial public offering for preferred stock to be automatically converted to common stock. Proceeds from initial public offering for conversion of preferred stock to common stock Stock Issued during Period Shares Conversion of Warrant Liability Number of shares issued during the period as a result of the conversion of the warrant liability. Warrant liability converted into shares of common stock Warrant Liability Fair Value Disclosure Aggregate fair value of warrant liability Represents the fair value portion of obligations relating to warrants. Common Stock Issued During Period upon Net Exercise of Common and Preferred Stock Warrants Common stock shares issued upon the net exercise of common and preferred stock warrants. Common stock, shares issued to warrant holders upon net exercise Equity Incentive 2003 Plan [Member] 2003 Plan Represents information pertaining to the 2003 Equity Incentive Plan. Stock Option and Incentive 2013 Plan [Member] 2013 Plan Represents information pertaining to the 2013 Stock Option and Incentive Plan. Share Based Compensation Arrangement by Share Based Payment Award, Increase in Number of Shares Authorized as Percentage of Shares Outstanding Annual increase in shares authorized for issuance as a percentage of shares outstanding Represents the annual increase in shares authorized for issuance as a percentage of shares outstanding, under the equity-based compensation plan. Number of Warrants Exercised to Purchase Shares of Common and Preferred Stock Number of warrants exercised to purchase shares of common and preferred stock (in shares) Represents the number of warrants exercised to purchase shares of common and preferred stock. Options for Common Stock Granted in Connection with Acquisition Options for common stock granted in connection with a business acquisition Represents the amount of options for common stock granted in connection with a business acquisition. Share Based Compensation Arrangements by Share Based Payment Award, Options, Expirations in Period, Weighted Average Grant Date Fair Value Represents the weighted-average grant-date fair value of options expired during period. Expired (in dollars per share) Underwriting Commissions and Expenses Underwriting commissions and expenses incurred in connection with the entity's first offering of stock to the public. Underwriting discounts and commissions Final Payment of Settlement Obligation The final cash payment related to a settlement obligation. Final payment of obligation Initial Public Offering [Abstract] IPO Stock Split [Abstract] Stock Split Elimination of Liability Upon Net Exercise of Warrants to Purchase Preferred Stock Elimination of liability upon net exercise of warrants to purchase preferred stock Amount of liability eliminated upon net exercise of warrants to purchase preferred stock. Sales Returns and Warranty Accrual Current Sales returns and warranty accruals Carrying value, as of the balance sheet date, of obligations incurred through that date and payable for goods returned by customers and estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle, if longer). Other Income (Expense) [Member] Other income (expense) Primary financial statement caption encompassing other revenue or expense. Other (income) expense Entity Well-known Seasoned Issuer Warrant Liability Noncurrent Warrant liability Represents the carrying value of obligations (due after one year or beyond the operating cycle if longer) relating to warrants. Fair value of warrant Entity Voluntary Filers Redeemable Convertible Preferred Stock and Stockholders' Deficit Entity Current Reporting Status Shares of Common Stock Reserved for Future Issuance [Abstract] Reserved shares of common stock for future issuance Entity Filer Category Gain on Inventory Purchase Commitment Represents a gain related to inventory purchase commitments recognized during the period. Cost of revenue - inventory purchase commitment Loss (gain) on inventory purchase commitment Entity Public Float Basic and Diluted Earnings Per Share Pro Forma Pro forma net loss per common share, basic and diluted (in dollars per share) Pro forma basic and diluted earnings per share, which is commonly presented in initial public offerings based on the terms of the offering. Entity Registrant Name Weighted Average Basic and Diluted Shares Outstanding Pro Forma Pro forma weighted-average number of common shares, basic and diluted (in shares) Represents the weighted average number of shares (units) outstanding in the calculation of pro forma basic and diluted earnings per share (earnings per unit), which is commonly presented in the initial public offerings based on the terms of the offering. Pro forma weighted-average number of common shares, basic and diluted Entity Central Index Key Computer Equipment and Software [Member] Computer equipment and software Represents information pertaining to the long-lived, depreciable assets that are used in the creation, maintenance and utilization of information systems and purchased software applications. Manufacturing Tools and Test Equipment [Member] Manufacturing tooling and test equipment Represents information pertaining to the manufacturing tooling and test equipment. Represents information pertaining to the lab and warehouse equipment. Lab, marketing and warehouse equipment Lab and Warehouse Equipment [Member] Lab and warehouse equipment Marketing Equipment [Member] Marketing equipment Represents information pertaining to the marketing equipment. Entity Common Stock, Shares Outstanding Summary of Operating Loss and Tax Credit Carryforwards [Table Text Block] Schedule of net operating loss and tax credit carryforwards Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization and of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances. Current Domestic Tax Expense (Benefit) [Abstract] Domestic Deferred Domestic Tax Expense (Benefit) [Abstract] Domestic Represents the reversal of valuation allowances of the deferred tax asset. Deferred Tax Assets, Reversal of Valuation Allowance Reversal of valuation allowance for deferred tax assets Operating Loss and Tax Credit Carryforwards [Line Items] Net operating loss and tax credit carryforwards Unrecognized Tax Benefits Increases Resulting from Stock Based Compensation Unrecorded tax benefits for stock-based compensation Amount of increase in unrecognized tax benefits resulting from stock-based compensation. Operating Loss and Tax Credit Carryforwards [Table] Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization and a listing of tax credit carryforwards available to reduce future taxable income including descriptions, amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances. Company One [Member] Company 1 Represents information pertaining to company one. Company Two [Member] Company 2 Represents information pertaining to company two. Company Three [Member] Company 3 Represents information pertaining to company three. Company Four [Member] Company 4 Represents information pertaining to company four. Represents the term over which operating leases can be extended. Operating Leases Term of Extension Extension term of leases Operating Leases Modification Term Lease modification term Represents the modification term of operating leases. Purchase Commitments [Abstract] Purchase Commitments Settlement Agreement [Member] Settlement agreement relating to alleged patent infringements Represents information pertaining to the settlement agreement relating to alleged patent infringements. Loss Contingency, Future Royalty Payments and Lumpsum Amount Included in Agreement Future royalty payments and payment of a lump sum amount included in the agreement Represents the aggregate of future royalty payments on certain products and payment of a lump sum amount included in the agreement entered by the entity. Loss Contingency, Payment of Lump Sum Amount Payment of lump sum amount Represents the lump sum amount paid under the agreement. Document Fiscal Year Focus Debt Instrument, Number of Equal Monthly Payments of Principal and Interest Number of equal monthly payments of principal plus interest Represents the number of equal monthly payments of principal plus interest of the debt instrument. Document Fiscal Period Focus Other Commitments Number of Settlement Obligations Accelerated and became Payable Number of settlement obligations accelerated and became due and payable Represents the number of settlement obligations which were accelerated and became due and payable during the period. Other Commitment Interest Less amount representing interest Represents the amount of interest on other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Other Commitment Present Value Present value of settlement obligations Represents the present value of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Carrying value of the future payments Other Commitment Current Less current portion of settlement obligations Carrying value as of the balance sheet date of the portion of other commitment not otherwise specified in the taxonomy that is scheduled to be repaid within one year or the normal operating cycle, if longer. Excludes commitments explicitly modeled in the taxonomy, including but not limited to long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Current portion of settlement obligations Other Commitment Noncurrent Long-term portion of settlement obligations Carrying value as of the balance sheet date of the portion of other commitment not otherwise specified in the taxonomy excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Unaudited Financial Information [Policy Text Block] Unaudited Financial Information Disclosure of accounting policy for unaudited financial information. Unaudited Pro Forma Balance Sheet [Policy Text Block] Unaudited Pro Forma Balance Sheet Disclosure of accounting policy for unaudited pro forma balance sheet. Geographic Information Disclosure of accounting policy for geographic information. Geographic Information [Policy Text Block] Redeemable Convertible Preferred Stock Warrant [Policy Text Block] Redeemable Convertible Preferred Stock Warrant Disclosure of accounting policy for redeemable convertible preferred stock warrant. Presentation of Certain Taxes [Policy Text Block] Presentation of Certain Taxes Disclosure of accounting policy for presentation of certain taxes, excluding income taxes. Property, Plant and Equipment Estimated Useful Life [Table Text Block] Schedule of estimated useful lives of property and equipment Tabular disclosure of estimated useful lives of property, plant and equipment. Legal Entity [Axis] Incremental Common Shares Attributable to Preferred Warrants Assumed conversion of warrants into shares of common stock Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of preferred warrants using the if-converted method. Assumed conversion of preferred warrants into shares of common stock Document Type Transaction Three [Member] Information pertaining to common stock warrants; transaction three. Transaction 3 Transaction Four [Member] Information pertaining to common stock warrants; transaction four. Transaction 4 Stock Options Employee and Nonemployee Stock Option [Member] Stock options Contract that gives the holder the right, but not the obligation, either to purchase or to sell a certain number of shares of stock at a predetermined price for a specified period of time. Accounts receivable, net Accounts Receivable, Net, Current Accounts payable Accounts Payable, Current Accounts receivable Accounts Receivable, Related Parties, Current Allowance for Doubtful Accounts Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] United States UNITED STATES Accrued Liabilities, Current [Abstract] Accrued liabilities Accrued liabilities Accrued Liabilities, Current Total accrued liabilities Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive (Loss) Income Estimated useful life of identifiable intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Additional paid-in capital Additional Paid in Capital, Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation Total stock-based compensation expense Allocated Share-based Compensation Expense Changes in the allowance for doubtful accounts Allowance for Doubtful Accounts Receivable [Roll Forward] Deductions Allowance for Doubtful Accounts Receivable, Write-offs Balance at beginning of period Balance at end of period Allowance for Doubtful Accounts Receivable Amortization of intangible assets Amortization of Intangible Assets Antidilutive Securities [Axis] Anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income (loss) per share Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Total (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total assets Assets Current assets: Assets, Current [Abstract] Assets Assets [Abstract] Total current assets Assets, Current Assets, Fair Value Disclosure Cash equivalents Balance Sheet Components Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Business Acquisition [Axis] Notes payable Business Combination Consideration Transferred Liabilities Incurred Exercise price of options to purchase shares of common stock (in dollars per share) Business Acquisition, Share Price Acquisition Business Acquisition [Line Items] Acquired stock (as a percent) Business Acquisition, Percentage of Voting Interests Acquired Business Acquisition, Acquiree [Domain] Acquisition Aggregate purchase price Business Combination, Consideration Transferred Acquisition Business Combination Disclosure [Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Description of Business and Summary of Significant Accounting Policies Class of Stock [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of Shares Subject to Warrant Number of shares of common stock called by warrant Warrants to purchase common and preferred stock (in shares) Exercise Price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price of warrant (in dollars per share) Class of Warrant or Right [Line Items] Warrants to Purchase Stock and Preferred Stock Warrant Liability Class of Stock [Domain] Class of Warrant or Right [Table] Commitments and Contingencies Commitments and contingencies Commitments and Contingencies. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common Stock [Member] Common Stock Common stock, $0.0001 par value; 127,836,592 and 500,000,000 shares authorized; 2,490,870 and 22,766,644 shares issued and outstanding at December 31, 2012 and September 30, 2013 (unaudited), respectively Common Stock, Value, Issued Common stock, shares issued Common Stock, Shares, Issued Common stock, shares authorized Common Stock, Shares Authorized Shares of common stock reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Common stock, shares outstanding Common Stock, Shares, Outstanding Components of provision (benefit) for income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Deferred tax assets and (liabilities) Components of Deferred Tax Assets and Liabilities [Abstract] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Concentrations of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Contract termination Contract Termination [Member] Conversion of redeemable convertible preferred stock to common stock Conversion of Stock, Amount Converted Converted into one share of common stock Convertible Preferred Stock, Shares Issued upon Conversion Cost of Revenue Cost of Sales, Policy [Policy Text Block] Cost of Revenue Cost of revenue Cost of revenue Cost of Sales [Member] State Current State and Local Tax Expense (Benefit) Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Foreign Current Foreign Tax Expense (Benefit) Federal Current Federal Tax Expense (Benefit) Total current tax expense Current Income Tax Expense (Benefit) Variable interest rate basis Debt Instrument, Description of Variable Rate Basis Long-Term Obligations Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Long-Term Obligations Interest rate at the end of period (as a percent) Debt Instrument, Interest Rate at Period End Property, plant and equipment Deferred Tax Assets, Property, Plant and Equipment Deferred Tax Assets: Deferred Tax Assets, Net of Valuation Allowance [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Deferred offering costs Deferred Offering Costs Capitalized offering costs associated with the IPO Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred tax expense Deferred Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Deferred revenue Deferred Revenue, Current Total deferred tax assets Deferred Tax Assets, Gross Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Other Deferred Tax Assets, Other Reserves and accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Inventories Deferred Tax Assets, Inventory Net deferred tax asset Deferred Tax Assets, Net of Valuation Allowance Research and development credits Deferred Tax Assets, Tax Credit Carryforwards, Research Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Valuation allowance Deferred Tax Assets, Valuation Allowance Deposits Deposits Assets, Noncurrent Depreciation expense Depreciation Earnings Per Share, Basic and Diluted Net income (loss) per common share, basic and diluted (in dollars per share) Net Income (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Net income (loss) per common share: Earnings Per Share [Abstract] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Reconciliation from the U.S. statutory federal income tax rate to the effective income tax rate Effective Income Tax Rate Reconciliation, Percent [Abstract] State taxes, net of federal benefit (as a percent) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Change in valuation allowance (as a percent) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent U.S. federal statutory rate (as a percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Research and development credits (as a percent) Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Stock-based compensation expense (as a percent) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent Other, net (as a percent) Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Compensation accruals Employee-related Liabilities, Current Total stock-based compensation expense Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Weighted-average period over which unrecognized compensation cost will be recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Total unrecognized compensation cost related to non-vested stock option awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Equity Component [Domain] Total Estimate of Fair Value Measurement [Member] Finite-lived intangible asset acquired Finite-lived Intangible Assets Acquired Measurement Frequency [Axis] Expected volatility (as a percent) Fair Value Assumptions, Expected Volatility Rate Fair Value, Liabilities Measured on Recurring Basis, Change in Unrealized Gain (Loss) Change in fair value included in other income (expense) Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Liability Class [Axis] Implied interest rate (as a percent) Fair Value Inputs, Discount Rate Measured on a recurring basis Fair Value, Measurements, Recurring [Member] Fair Value, Measurement Frequency [Domain] Risk-free interest rate (as a percent) Fair Value Assumptions, Risk Free Interest Rate Asset Class [Axis] Warrant liability expense Fair Value Adjustment of Warrants Fair Value by Liability Class [Domain] Remaining contractual term Fair Value Assumptions, Expected Term Assumptions used to estimate fair value of warrants Fair Value Assumptions and Methodology for Assets and Liabilities [Abstract] Assumptions used for calculation of fair value of the warrant Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements Dividend yield (as a percent) Fair Value Assumptions, Expected Dividend Rate Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Balance at the beginning of the period Balance at the end of the period Fair Value Measurements Fair Value Hierarchy [Domain] Asset Class [Domain] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Schedule of assumptions used for calculation of fair value of the warrant Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Summary of change in value of the convertible preferred stock warrant liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Change in value of the convertible preferred stock warrant liability Level 1 Fair Value, Inputs, Level 1 [Member] Financial Liabilities Fair Value Disclosure Other liabilities Estimated useful life Estimated life of intangible assets Finite-Lived Intangible Asset, Useful Life Intangible assets, gross Finite-Lived Intangible Assets, Gross Intangible assets, net Finite-Lived Intangible Assets [Line Items] Intangible assets 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Three Future amortization expense of acquired identifiable intangible assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Finite-Lived Intangible Assets, Net Intangible assets, net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] 2016 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