Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Document and Entity Information [Abstract] Document and Entity Information. Cash and Cash Equivalents, at Carrying Value End of period Beginning of period Cash and cash equivalents Restricted cash-noncurrent portion Restricted Cash and Cash Equivalents, Noncurrent Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Assets, Current Total current assets Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Accounts receivable, net of allowance for sales returns of $3 and $0, respectively Accounts Receivable, Net, Current Liabilities and Equity Total liabilities, convertible preferred stock and shareholders' equity (deficit) Stockholders' Equity Attributable to Parent Total shareholders' equity (deficit) Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss) Additional Paid in Capital Additional paid-in capital Liabilities and Equity [Abstract] Liabilities, convertible preferred stock and shareholders' equity (deficit) Liabilities, Current [Abstract] Current liabilities: Commitments and Contingencies Commitments and contingencies (Note 8) Liabilities Total liabilities Convertible Preferred Stock Warrant Liability Convertible preferred stock warrant liability Convertible preferred stock warrant liability. Deferred rent-noncurrent portion Deferred Rent Credit, Noncurrent Liabilities, Current Total current liabilities Deferred Revenue and Credits, Current Deferred credits and income Accrued and other current liabilities Accrued Liabilities, Current Accounts Payable, Current Accounts payable Restricted Cash and Cash Equivalents, Current Restricted cash Inventory, Net Total inventory Inventories Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity (deficit): Licenses Revenue Licensing Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Operating Expenses Total operating expenses Income from operations Operating Income (Loss) Net income Net income Net income Net Income (Loss) Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net income per share: Net income per share: Earnings Per Share, Basic and Diluted [Abstract] Basic Earnings Per Share, Basic Basic Diluted Earnings Per Share, Diluted Diluted Weighted Average Number of Shares Outstanding, Basic Weighted average shares used in computing net income per share Basic Weighted Average Number of Shares Outstanding, Diluted Diluted Consolidated Statements of Cash Flows [Abstract] Increase Decrease in Inventory Reserves Write-down of inventory to net realizable value Change in inventory reserves. Increase Decrease in Fair Value of Convertible Preferred Stock Warrants Change in fair value of convertible preferred stock warrants Change in fair value of convertible preferred stock warrants. Increase Decrease in Deferred Credits and Income Deferred credits and income Increase decrease in deferred credits and income. Revenues [Abstract] Revenue: Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, Depletion and Amortization Depreciation and amortization expense Depreciation and amortization Share-based Compensation Stock-based compensation Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate change on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash and cash equivalents Fair Value Hierarchy [Abstract] Fair Value Disclosures [Text Block] Fair value hierarchy Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income taxes Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings per share Commitments and Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and contingencies Borrowings [Abstract] Segment and Geographic Information [Abstract] Segment Reporting Disclosure [Text Block] Segment and geographic information Formation and Business [Text Block] Formation and business of Audience, Inc. Formation and business. Capital Stock [Abstract] Capital stock. Capital Stock [Text Block] Capital Stock Capital stock. Convertible Preferred Stock [Abstract] Convertible Preferred Stock [Text Block] Convertible preferred stock. Convertible preferred stock Basis of Presentation [Policy Text Block] Basis of presentation. Basis of presentation Use of Estimates, Policy [Policy Text Block] Use of estimates Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of risk Deferred Initial Public Offering Costs [Policy Text Block] Deferred initial public offering costs. Deferred initial public offering costs New Accounting Pronouncements, Policy [Policy Text Block] Recent accounting pronouncements Formation and Business (Textual) [Abstract] Formation and business of Audience, Inc. (Textual) [Abstract] Formation and business. Entity Incorporation, Date of Incorporation Entity Incorporation Date Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract] Basis of Presentation and Summary of Significant Accounting Policies (Textual) [Abstract] Basis of presentation and summary of significant accounting policies. Customer One [Member] Customer One [Member] Customer one. Customer Two [Member] Customer Two [Member] Customer two. Revenue from External Customers by Products and Services [Table] Products and Services [Axis] Products and Services [Domain] Revenue from External Customer [Line Items] Commitments and Contingencies (Textual) [Abstract] Commitments and Contingencies (Textual) [Abstract] Commitments and contingencies. Capital Stock (Textual) [Abstract] Capital stock. Capital Stock (Textual) [Abstract] Common Stock, Shares Authorized Common stock, shares authorized Convertible Preferred Stock (Textual) [Abstract] Convertible preferred stock. Convertible Preferred Stock (Textual) [Abstract] Series D Preferred Stock [Member] Series D [Member] Series E Preferred Stock [Member] Series E [Member] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Line Items] Fair Value of Preferred Stock Warrant Fair value of preferred stock warrant. Fair value of preferred stock warrant Expenses for Change in Fair Value Warrants Expenses for change in Fair Value Warrants Expenses for change in fair value warrants. Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of stock option activity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of shares Ending Balances Number of shares Beginning Balances Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options exercised, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options, Outstanding, Weighted average exercise price, Ending Balance Options, Outstanding, Weighted average exercise price, Beginning Balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options, Grants in Period, Weighted average exercise price Property, Plant and Equipment [Table Text Block] Property and equipment, net Schedule of Accrued Liabilities [Table Text Block] Accrued and other current liabilities Work in progress Inventory, Work in Process, Gross Inventory, Finished Goods, Gross Finished goods Computers and Equipment Computers and equipment. Computers and equipment Machinery and Equipment, Gross Machinery and equipment Capitalized Computer Software, Gross Software Furniture and Fixtures, Gross Furniture and fixtures Leasehold Improvements, Gross Leasehold improvements Property, Plant and Equipment, Gross Gross property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation and amortization Accrued Royalties Royalties Other Accrued Liabilities, Current Other Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Presentation of financial assets and liabilities measured at fair value on a recurring basis Assets, Fair Value Disclosure [Abstract] Assets Liabilities, Fair Value Disclosure [Abstract] Liabilities Money Market Funds Fair Value Disclosure Money market funds(1) Money market funds fair value disclosure. Convertible Preferred Stock Warrants Fair Value Disclosure Convertible preferred stock warrants(2) Convertible preferred stock warrants fair value disclosure. Reconciliation of Fair Value of Warrants to Purchase Convertible Preferred Stock [Abstract] Reconciliations of convertible preferred stock warrants Reconciliation of fair value of the warrants to purchase convertible preferred stock. Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value of Warrants Fair value of warrants, ending balance Fair value of warrants, beginning balance Fair value of warrants. Increase (Decrease) in Fair Value of Preferred Stock Warrants Change in fair value of preferred stock warrants Increase decrease in fair value of preferred stock warrants,. Preferred Stock Dividends, Income Statement Impact Non-cumulative dividends to holders of preferred stock Undistributed Earnings Allocated to Participating Securities Adjustment for undistributed earnings reallocated to holders of common stock Net Income (Loss) Available to Common Stockholders, Diluted Net income-diluted Stock Options [Member] Options to purchase common stock [Member] Computation of basic and diluted net income per share under the two-class method attributable to common stockholders Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Anti-dilutive shares excluded from computation of diluted net earnings loss per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share Weighted Average Basic Shares Outstanding, Pro Forma Basic Future minimum lease payments under noncancelable operating leases Leases, Operating [Abstract] Operating Leases, Future Minimum Payments, Due in Two Years 2013 Operating Leases, Future Minimum Payments Due Total minimum lease payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Future minimum lease payments under noncancelable operating leases Shares Reserved for Stock Options Shares reserved for stock options and restricted stock units Shares reserved for stock options. Convertible Preferred Stock, Shares Reserved for Future Issuance Shares reserved for convertible preferred stock Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options, Exercises in Period, Weighted average exercise price Summary of stock awards outstanding and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Summary of stock awards outstanding and exercisable [Abstract] Summary of stock awards outstanding and exercisable Summary of stock awards outstanding and exercisable. Range One [Member] Range One [Member] Range one. Range Two [Member] Range Two [Member] Range two. Range Three [Member] Range Three [Member] Range three. Range Four [Member] Range Four [Member] Range four. Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of the components of stock-based compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised Options exercised, Shares available for grant Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based compensation, Shares authorized under stock option plans, Exercise price range, Lower range limit Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Share-based compensation, Shares authorized under stock option plans, Exercise price range, Upper range limit Share-based compensation, Shares authorized under stock option plans, Exercise price range, Number of outstanding options Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Share-based compensation, Shares authorized under stock option plans, Exercise price range, Outstanding options, Weighted average remaining contractual term Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Share-based compensation, Shares authorized under stock option plans, Exercise price range, Outstanding options, Weighted average exercise price Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price Share-based compensation arrangement by share-based payment award, Options, Outstanding, Intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based compensation, Shares authorized under stock option plans, Exercise price range, Number exercisable Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Share-based compensation, Shares authorized under stock option plans, Exercise price range, Exercisable options, Weighted average remaining contractual term Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term Share-based compensation, Shares authorized under stock option plans, Exercise price range, Exercisable options, Weighted average exercise price Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Share-based compensation arrangement by share-based payment award, Options, Exercisable, Intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share based payment award fair value assumptions and methodology Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term, (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Volatility Minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, Minimum Cost of Sales [Member] Cost of revenue [Member] Research and Development Expense [Member] Research and development [Member] Selling, General and Administrative Expenses [Member] Selling, general and administrative [Member] Allocated Share-based Compensation Expense Allocated share-based compensation expense Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Share based payment award fair value assumptions and methodology Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Stock Based Awards (Textual) [Abstract] Stock-based awards. Stock-based awards (Textual) [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Percentage of exercise price of fair market value on the date of grant for non qualified stock option Common Stock, Shares, Issued Common shares issued Issuance of common stock Tax Benefit from Stock Options Exercised Tax benefits from stock options exercised Options to Nonemployees [Member] Options to nonemployees. Options to Nonemployees [Member] Line of Credit [Member] Line of Credit [Member] Equipment Loans [Member] Equipment Loan [Member] Equipment loan. Borrowings (Textual) [Abstract] Borrowings. Borrowings (Textual) [Abstract] Debt Instrument, Description of Variable Rate Basis Interest rate on line of credit Debt Instrument, Basis Spread on Variable Rate Interest rate on loans Plan Name [Axis] Plan Name [Domain] Schedule of Short-term Debt [Table] Short-term Debt [Line Items] Other Country [Member] Other [Member] Other country. Summary of Geographic Information Related to Revenue [Abstract] Summary of geographic information related to revenue Summary of geographic information related to revenue. Entity-Wide Revenue, Major Customer, Percentage Percentage of total revenue Total Schedule Of Entity Wide Revenue By Major Customers By Reporting Segments [Table] Statement Geographical [Axis] Segment Geographical [Domain] C N [Member] China [Member] J P [Member] Japan [Member] K R [Member] Korea [Member] U S [Member] United States [Member] Entity Wide Revenue Major Customer [Line Items] Statement [Table] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Long-term Investments Long-term deposit Equipment leasing Long-term Debt, Current Maturities Accrued Liabilities and Other Liabilities Accrued and other current liabilities Allowance for Doubtful Accounts Receivable, Current Accounts receivable, net of allowance for sales returns Common Stock, Par or Stated Value Per Share Common stock par value Common Stock, Shares, Outstanding Common shares outstanding Sales Revenue, Goods, Net Hardware Revenue, Net Total revenue Cost of Goods and Services Sold Cost of revenue Interest Expense Interest income (expense), net Other Nonoperating Income (Expense) Other income (expense), net Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Weighted Average Shares Used to Compute Net Income Per Share Attributable to Holders of Common Stock Unaudited [Abstract] Weighted average shares used in computing net income per share: Weighted-average shares used to compute pro forma net income per share attributable to holders of common stock unaudited. Pro Forma Weighted Average Shares Outstanding, Diluted Diluted Increase Decrease in Accrued and Other Current Liabilities Accrued and other liabilities Accrued and other current liabilities. Proceeds from Issuance of Long-term Debt Equipment loan payable Repayments of Long-term Debt Repayment of equipment term loan Repayment of equipment term loan Basis of Presentation and Significant Accounting Policies [Text Block] Basis of presentation and summary of significant accounting policies Consolidated Balance Sheet Components [Text Block] Consolidated balance sheet components. Consolidated balance sheet components Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-based compensation and awards Long-term Debt [Text Block] Borrowings Schedule of Inventory, Current [Table Text Block] Inventories Inventory Work In Progress And Finished Goods [Abstract] Inventories Inventory work in progress and finished goods. Property, Plant and Equipment, Net, by Type [Abstract] Property and equipment, net Accrued Compensation Current Compensation Accrued compensation current. Accrued Professional Fees, Current Professional fees Accrued Tenant Improvement Current Tenant improvements Accrued tenant improvement current. Accrued Engineering Costs Current Accrued engineering costs Accrued engineering costs current. Presentation of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis [Abstract] Presentation of financial assets and liabilities measured at fair value on a recurring basis Presentation of financial assets and liabilities measured at fair value on a recurring basis. Reconciliation of Fair Value of Warrants to Purchase Convertible Preferred Stock [Table Text Block] Reconciliations of convertible preferred stock warrants Rollforward of the fair value of the warrants to purchase convertible preferred stock. Entity Wide Accounts Receivable Major Customer Percentage Percentage of total accounts receivable Entity wide accounts receivable major customer percentage. Income Taxes (Textual) [Abstract] Income taxes (Textual) [Abstract] Income Taxes. Period for Unrecognized Tax Benefit Would Change Change in unrecognized tax benefits Period for unrecognized tax benefit would change. Incremental Common Shares Attributable to Stock Option Options to purchase common stock Incremental common shares attributable to stock option. Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Numerator: Weighted average effect of potentially dilutive securities: Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract] Anti Dilutive Shares Excluded from Computation of Diluted Net Earnings Loss Per Share [Abstract] Anti-dilutive shares excluded from computation of diluted net earnings loss per share Anti-dilutive shares excluded from computation of diluted net earnings loss per share. Basic and Diluted Net Earning Loss Per Share [Abstract] Computation of basic and diluted net income per share under the two-class method attributable to common stockholders Basic and diluted net earning loss per share. Operating Leases, Rent Expense, Net Rent expense Long Term Purchase Commitment Current Purchase commitments with third-party foundries and other suppliers due within one year Long term purchase commitment current. Net Income (Loss) Available to Common Stockholders, Basic Net income-basic Reserved Shares of Common Stock for Future Issuance [Table Text Block] Reserved shares of common stock for future issuance Reserved shares of common stock for future issuance. Shares Reserved for Warrants for Future Issuance Shares reserved for warrants Shares reserved for warrants for future issuance. Reserved Shares of Common Stock for Future Issuance [Abstract] Reserved shares of common stock for future issuance. Reserved shares of common stock for future issuance Number of Warrants Issued Convertible preferred stock, warrant issued, share Number of warrants issued. Shares Available for Grant Outstanding Number Shares available for grant, Ending Balances Shares available for grant, Beginning Balances Shares available for grant outstanding number. Shares Available for Grant Options Granted Options granted, Shares available for grant Shares available for grant options granted. Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options granted, Number of shares Shares Available for Grant Options Cancelled Options cancelled, Shares available for grant Shares available for grant options cancelled. Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Options cancelled, Number of shares Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Options, Cancelled in Period, Weighted average exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share Based Compensation Arrangement by Share Based Payment Award Options Vested And Expected to Vest Outstanding and Exercisable [Abstract] Summary of stock awards outstanding and exercisable Share based compensation arrangement by share based payment award options vested and expected to vest outstanding and exercisable. Employee Service Share Based Compensation Allocation of Recognized Period Costs [Abstract] Summary of the components of stock-based compensation Employee service share based compensation allocation of recognized period costs. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free rate Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Issuance of common stock, options Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted average exercise price, option Two Thousand Eleven Employee Stock Purchase Plan [Member] 2011 ESPP [Member] Two thousand eleven employee stock purchase plan. Maximum Percentage of Discount Compensation of Eligible Compensation Discount on purchase common stock Maximum percentage of discount compensation of eligible compensation. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Volatility Maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate, Maximum Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Total unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Weighted average period of estimated forfeitures Line of Credit Facility, Maximum Borrowing Capacity Line of credit agreement Prime Rate Loans [Member] Prime rate loans. Prime Rate Loans [Member] Quick Ratio for Higher Interest Rate Quick ratio for higher interest rate Quick ratio for higher interest rate. Required Quick Ratio to Maintain Required quick ratio to maintain. Required quick ratio to maintain Libor Rate Loans [Member] LIBOR rate loans [Member] Libor rate loans. Line of Credit Facility, Amount Outstanding Outstanding Amount of Line of credit Credit Facility [Axis] Credit Facility [Domain] Debt Instrument [Axis] Debt Instrument, Name [Domain] Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Summary of geographic information related to revenue Amount of Borrowing Capacity Without Reference to Value of Accounts Receivable or Purchase Orders Amount of borrowing capacity without reference to value of accounts receivable or purchase orders Amount of borrowing capacity without reference to value of accounts receivable or purchase orders. Number of Monthly Installments Number of monthly installments. Number of monthly installments Series AA Preferred Stock [Member] Series AA stock [Member] Series AA preferred stock. Consolidation, Policy [Policy Text Block] Basis of consolidation Stock Issued During Period, Shares, New Issues Initial public offering of Common stock Sale of Stock, Price Per Share Public offering price of the shares sold Customer Three [Member] Customer three. Customer Three [Member] Fair Value Hierarchy (Textual) [Abstract] Fair value hierarchy (Textual) [Abstract] Fair value hierarchy. Effective income tax rate Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential Options Retired Two Thousand One Plan Number of Shares Options retired 2001plan number of shares. Options retired - 2001 Plan, Number of Shares Consolidated Balance Sheet Components (Textual) [Abstract] Consolidated Balance Sheet Components (Textual) [Abstract] Consolidated balance sheet components. Stock Issued During Period Shares Underwriters New Issues Underwriters' over-allotment option Common stock sold by certain selling stockholders. Stock Issued During Period, Value, New Issues Total gross proceeds from the offering to the Company Shareholders Equity Deficit Reclassification of Convertible Preferred Stock Aggregate fair value were reclassified as stockholders equity (deficit) Shareholders equity deficit reclassification of convertible preferred stock. Long Term Purchase Commitment Non Current Purchase commitments with third party foundries and supplier due after one year Purchase commitments with third party foundries and supplier due after one year. Deferred Offering Costs Deferred offering costs Number of Customers Counted for Accounts Receivable Number of customers counted for accounts receivable. Number of customers counted for accounts receivable Class of Warrant Outstanding Remaining warrants Class of warrant or right outstanding. Options Retired Two Thousand One Plan Weighted Average Exercise Price Options retired - 2001 Plan, Weighted average exercise price Options retired two thousand one plan weighted average exercise price. Shares Available for Grant Options Retired Options retired - 2001 Plan Shares available for grant options retired. Unrecognized Tax Benefit Net Unrecognized tax benefits Unrecognized tax benefit net. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accrued interest or penalties due Current Foreign Tax Expense (Benefit) Provision for income taxes foreign jurisdictions Preferred Stock, Shares Authorized Preferred stock, authorized Statement [Line Items] Proceeds from Stock Options Exercised Proceeds from exercise of stock options Revenue Recognition, Policy [Policy Text Block] Revenue recognition Litigation Investigation And Settlement Costs Policy Text Block Litigation, investigation and settlement costs Litigation investigation and settlement costs. Payment For Initial Public Offering Costs Payment in connection with initial public offering costs Payment for initial public offering costs. Proceeds from Warrant Exercises Proceeds from exercise of preferred stock warrants Supplemental Disclosure Of Noncash Financing Activities [Abstract] Supplemental disclosure of noncash financing activities Supplemental disclosure of noncash financing activities. Conversion of Stock, Amount Converted Conversion of convertible preferred stock to common stock Conversion Of Preferred Stock Warrants To Common Stock Warrants Conversion of preferred stock warrants to common stock warrants Conversion of preferred stock warrants to common stock warrants Conversion of preferred stock warrants to common stock warrants. Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Summary of restricted stock unit activity Stock Issued During Period Shares Sold By Selling Stockholders Common stock sold by certain selling stockholders Stock issued during period shares sold by selling stockholders. Proceeds From Stock Options Exercised By Selling Stockholders Proceeds from stock options exercised by selling stockholders Proceeds from stock options exercised by selling stockholders. Royalty Revenue Recognized Royalty revenue recognized Royalty revenue recognized. Comprehensive Income, Policy [Policy Text Block] Presentation of comprehensive income Fair Value Measurement, Policy [Policy Text Block] Fair value measurement Disclosure About Offsetting Assets And Liabilities [Policy Text Block] Disclosures about Offsetting Assets and Liabilities Disclosure about offsetting assets and liabilities. Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Exercise of preferred stock warrants Warrants To Purchase Shares Warrants to purchase shares. Warrants to purchase shares Fair Value Hierarchy [Line Items] Fair value hierarchy. Aggregate Fair Market Value From Liability To Stockholders Equity Aggregate fair market value from the liability to stockholders equity Aggregate fair market value from the liability to stockholders equity. Period for release of valuation allowance Valuation Allowance, Commentary Participating Securities, Distributed and Undistributed Earnings Undistributed earnings allocable to holders of preferred stock Incremental Common Shares Attributable to Share-based Payment Arrangements Employee stock purchase plan Incremental Common Shares Attributable to Conversion of Preferred Stock Convertible preferred stock warrants Operating Leases, Future Minimum Payments, Due in Three Years 2014 Operating Leases, Future Minimum Payments, Due in Four Years 2015 Operating Leases, Future Minimum Payments, Due in Five Years 2016 Operating Leases, Future Minimum Payments, Due Thereafter 2018 and beyond Operating Leases Future Minimum Payments Due In Six Years Operating leases future minimum payments due in six years. 2017 Area of Land Rentable space Lease Term Lease term. Lease term Option To Extend Lease Term Option to extend lease term Option to extend lease term. Shares Reserved For E S P P Shares reserved for employee stock purchase plan Shares reserved for ESPP. Number of Preferred Stock Converted into Common Stock Number of preferred stock converted into common stock. Number of preferred stock converted into common stock Aggregate Fair Market Value Reclassified from Liability to Stockholders Equity Aggregate fair market value reclassified from the liability to stockholders' equity (deficit) Aggregate fair market value reclassified from the liability to stockholders? equity (deficit). Award Type [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares outstanding, Number of shares, Ending balance Shares outstanding, Number of shares, Beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Shares outstanding, Weighted average exercise price, shares granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Shares outstanding, Number of shares, shares granted Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] Summary of restricted stock unit activity Range Five [Member] Range Five [Member] Range five. Employee Stock Option [Member] Stock Option Award [Member] Employee Stock [Member] 2011 ESPP [Member] Award Type [Domain] Option To Nonemployees Contractual Life Contractual life Option to nonemployees contractual life. Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Range [Axis] Range [Domain] Fair Value Assumptions, Risk Free Interest Rate Risk-free interest of convertible preferred stock Fair Value Assumptions, Expected Term Expected term of convertible preferred stock Fair Value Assumptions, Expected Volatility Rate Expected volatility of convertible preferred stock Marketable Securities, Current Marketable securities Construction Loan Financing obligation for construction in progress Net comprehensive income Gain (Loss) on Disposition of Property Loss on disposal of property and equipment Accretion Expense, Including Asset Retirement Obligations Amortization/accretion of marketable securities Increase (Decrease) in Marketable Securities, Restricted Change in restricted cash Payments to Acquire Marketable Securities Purchases of marketable securities Marketable Securities [Abstract] Cash, Cash Equivalents, and Marketable Securities [Text Block] Marketable securities Noncash Obligation For Property Plant And Equipment Noncash obligation for property, plant and equipment. Noncash obligation for property, plant and equipment Available-for-sale Securities [Table Text Block] Summary of cash equivalents and marketable securities classified as available-for-sale Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] Available-for-sale securities reported at fair value Construction in Progress, Gross Construction in progress Net Rentable Area Rentable square feet Lease Agreement [Member] Lease agreement. Lease agreement [Member] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Debt Instrument [Line Items] US Government Agencies Debt Securities [Member] U.S. government bonds and notes [Member] Money Market Funds [Member] Money market funds [Member] Cash Equivalents And Marketable Securities [Member] Total cash equivalents and marketable securities [Member] Cash equivalents and marketable securities. Cash Cash Equivalents And Marketable Securities [Member] Total cash, cash equivalents and marketable securities [Member] Cash, cash equivalents and marketable securities. Available-for-sale Debt Securities, Amortized Cost Basis Amortized cost Available-for-sale Securities, Gross Unrealized Gains Gross unrealized gains Available-for-sale Securities, Gross Unrealized Losses Gross unrealized losses Available-for-sale Securities, Fair Value Disclosure Fair value Marketable Securities, Alternative [Abstract] Available-for-sale securities reported at fair value Cash and Cash Equivalents, Fair Value Disclosure Cash equivalents Short-term Debt, Fair Value Short term marketable securities Cash Equivalents And Marketable Securities Fair Value Total cash equivalents and marketable securities Cash equivalents and marketable securities fair value. Cash Cash Equivalents And Marketable Securities Fair Value Total cash, cash equivalents and marketable securities Cash, cash equivalents and marketable securities fair value. Long-term Debt, Fair Value Marketable debt securities with fair value Marketable Securities (Textual) [Abstract] Marketable Securities (Textual) [Abstract] Marketable securities. Available For Sale Securities Debt Maturity Period Maturity of marketable debt securities Available for sale securities debt maturity period. Fair Value Estimate Cash And Cash Equivalents Marketable Securities Estimated fair value of cash equivalents and marketable securities Fair value estimate cash and cash equivalents marketable securities. Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Cash [Member] Cash [Member] Schedule of Available-for-sale Securities [Line Items] U S Government Bonds And Notes U.S. government bonds and notes(2) U S government bonds and notes. Available-for-sale Securities, Debt Securities Total available-for-sale debt securities Incremental Common Shares Attributable to Call Options and Warrants Common stock warrants Operating Leases, Future Minimum Payments Due, Next Twelve Months 2012 (remaining three months) Annual Base Rent Incremental Rate Annual base rent incremental rate. Annual base rent incremental rate Assets Total assets Temporary Equity, Par Value Convertible preferred stock: $0.001 par value- no shares authorized,issued or outstanding at September 30,2012; 400,424,913 shares authorized and 13,205,180 shares issued and outstanding at December 31, 2011 Preferred Stock, Value, Outstanding Preferred stock: $0.001 par value-50,000,000 shares authorized and no shares issued and outstanding at September 30, 2012; no shares authorized, issued or outstanding at December 31, 2011 Temporary Equity, Shares Authorized Convertible shares authorized Temporary Equity, Shares Issued Convertible shares issued Temporary Equity, Shares Outstanding Convertible shares outstanding Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Issued Preferred stock, issued Condensed consolidated balance sheets [Abstract] Convertible Preferred Stock [Member] Convertible Preferred Stock [Member] Convertible preferred stock (if-converted basis) [Member] Condensed consolidated statements of comprehensive income [Abstract] Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Provision for tax expenses benefit Other Noncash Expense Non-cash rent expense Proceeds from Issuance Initial Public Offering Proceeds from initial public offering, net of underwriting discounts and commissions Net proceeds received by the Company Basis of Presentation and Summary of Significant Accounting Policies [Abstract] Consolidated Balance Sheet Components [Abstract] Marketable Security [Abstract] Summary of cash equivalents and marketable securities classified as available for sale Consolidated Balance Sheet Component [Abstract] Accrued and other current liabilities Consolidated balance sheet component. Contractual Lease Commencement Date Contractual lease commencement date Contractual lease commencement date. Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Summary of stock option activity Contractual Obligation Contractual annual base rent Capital Lease Obligations Non-cash liability obligation capitalized Percentage Accounted Of Net Revenue Percentage accounted of total revenue Percentage accounted of total revenue. Available For Sale Securities Cash Cash Available-for-sale securities cash. Security Deposit [Member] Non cash liability [Member] Security deposit member. Segment and Geographic Information (Textual) [Abstract] Segment and geographic information. Common Stock, Value, Outstanding Common stock: $0.001 par value - 500,000,000 shares authorized and 20,345,747 shares issued and outstanding at September 30, 2012; 600,000,000 shares authorized and 1,023,736 shares issued and outstanding at December 31, 2011 Preferred Stock, Shares Outstanding Preferred stock, outstanding Unrecognized Tax Benefits Unrecognized tax benefits, Gross Valuation Allowance, Amount Valuation allowance Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average shares used in computing net income per share: Restricted Stock Units (RSUs) [Member] Restricted stock units (RSUs) [Member] Construction in Progress [Member] Construction in progress [Member] Class of Warrant or Right, Exercise Price of Warrants or Rights Convertible preferred stock, warrant issued, amount Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Shares outstanding, Number of shares, shares vested and paid out Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares outstanding, Number of shares, shares forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Shares outstanding, Weighted average exercise price, Ending balance Shares outstanding, Weighted average exercise price, Beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Shares outstanding, Weighted average exercise price, shares vested and paid out Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Shares outstanding, Weighted average exercise price, shares forfeited Line of Credit Facility, Expiration Date Line of credit availability Stock-based Compensation and Awards [Abstract] Stock-based compensation and awards. Formation and Business of Audience, Inc. [Abstract] Formation and business of audience, Inc.