Entity Central Index Key Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation State Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, Address Line Two Entity Address Address Line2 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts receivable Accounts Receivable Net Current Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net Operating lease right-of-use assets Operating Lease Right Of Use Asset Other assets Other Assets Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses Accrued Liabilities Current Operating lease liabilities, current portion Operating Lease Liability Current Deferred revenue Contract With Customer Liability Current Total current liabilities Liabilities Current Operating lease liabilities, long-term portion Operating Lease Liability Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments And Contingencies Stockholders’ equity: Stockholders Equity [Abstract] Preferred Stock, $0.00001 par value, 10,000,000 shares authorized at June 30, 2021 and December 31, 2020; no shares issued or outstanding Preferred Stock Value Common Stock, $0.00001 par value, 200,000,000 shares authorized at June 30, 2021 and December 31, 2020, respectively; 62,868,137 and 61,292,412 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively. Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Revenue Revenue From Contract With Customer Including Assessed Tax Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Cost of services revenue Cost Of Goods And Services Sold Total operating expenses Costs And Expenses Loss from operations Operating Income Loss Other income: Nonoperating Income Expense [Abstract] Interest income Interest Income Expense Net Total other income Nonoperating Income Expense Net loss Net Income Loss Basic and diluted loss per common share Earnings Per Share Basic And Diluted Weighted average shares outstanding, basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Adjustments to additional paid in capital share based compensation performance share units. Stock issued during period shares performance share units. Stock issued during period value performance share units. Stock issued during period value at the market offering. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid In Capital [Member] Accumulated Deficit [Member] Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Beginning balance Beginning balance (in shares) Shares Outstanding Stock-based compensation - restricted stock units ("RSUs") Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition Stock-based compensation - performance share units ("PSUs") Adjustments To Additional Paid In Capital Share Based Compensation Performance Share Units Stock-based compensation - employee stock purchase plan ("ESPP") Adjustments To Additional Paid In Capital Share Based Compensation Employee Stock Purchase Program Requisite Service Period Recognition Issuance of shares for RSUs Stock Issued During Period Value Restricted Stock Award Gross Issuance of shares for RSUs (in shares) Stock Issued During Period Shares Restricted Stock Award Gross Issuance of shares for PSUs Stock Issued During Period Value Performance Share Units Issuance of shares for PSUs (in shares) Stock Issued During Period Shares Performance Share Units Proceeds from contributions to the ESPP Stock Issued During Period Value Employee Stock Purchase Plan Proceeds from contributions to the ESPP (in shares) Stock Issued During Period Shares Employee Stock Purchase Plans Issuance of shares in an at-the-market ("ATM")offering, net of $141,322 in issuance costs Stock Issued During Period Value At The Market Offering Stock issued during period shares at the market offering. Issuance of shares in an at-the-market ("ATM") offering, net of issuance costs (in shares) Stock Issued During Period Shares At The Market Offering Net loss Ending balance Ending balance (in shares) Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] At the market. ATM [Member] At The Market [Member] Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Increase (decrease) in operating lease right-of-use assets. The increase (decrease) in operating lease liabilities. Statement Of Cash Flows [Abstract] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Stock Units (RSUs) [Member] Restricted Stock Units R S U [Member] Performance Shares [Member] Performance Shares [Member] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net loss Profit Loss Adjustments to reconcile net loss to Net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation Depletion And Amortization Stock based compensation Share Based Compensation Changes in operating lease right-of-use assets Increase Decrease In Operating Lease Right Of Use Assets Bad debt expense Provision For Doubtful Accounts Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Accounts payable Increase Decrease In Accounts Payable Accrued expenses Increase Decrease In Accrued Liabilities Operating lease liabilities Increase Decrease In Operating Lease Liabilities Deferred revenue Increase Decrease In Contract With Customer Liability Net cash 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] Purchases of property and equipment Payments To Acquire Property Plant And Equipment 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] Net proceeds from the sales of common stock Proceeds From Issuance Of Common Stock Proceeds from contributions to employee stock purchase plan Proceeds From Stock Plans Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net (decrease) increase in cash and cash equivalents Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash and cash equivalents - beginning Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash and cash equivalents - ending Supplemental disclosure of non-cash financing activities: Noncash Investing And Financing Items [Abstract] Common stock issued Stock Issued1 Organization Consolidation And Presentation Of Financial Statements [Abstract] Business Organization, Nature of Operations Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] The entire disclosure for liquidity and management plan. Liquidity and management plan disclosure. Liquidity and Management Plan Disclosure [Abstract] Liquidity and Management Plans Liquidity And Management Plan Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Risks And Uncertainties [Abstract] Customer Concentrations Concentration Risk Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Revenue Recognition Revenue From Contract With Customer Policy [Text Block] Research and Development Research And Development Expense Policy Stock-Based Compensation Share Based Compensation Option And Incentive Plans Policy Income Taxes Income Tax Policy [Text Block] Net Loss Per Common Share Earnings Per Share Policy [Text Block] Leases Lessee Leases Policy [Text Block] Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Management's Evaluation of Subsequent Events Subsequent Events Policy Policy [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Schedule of Reconciliation of Undiscounted Cash Flows to Lease Liabilities Recognized Lessee Operating Lease Liability Maturity Table [Text Block] Summary of Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Schedule of Restricted Stock Units Activity Schedule Of Nonvested Restricted Stock Units Activity Table [Text Block] Summary of Activity Related to PSUs Share Based Compensation Performance Shares Award Outstanding Activity Table [Text Block] Summary of Fair Values of Stock Options Granted Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of Stock-based Compensation Costs Recognized Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary of Stock-based Compensation Reflected within Statements of Operations Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block] Liquidity And Management Plan Disclosure [Abstract] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Liquidity And Management Plans [Table] Liquidity And Management Plans [Table] Liquidity And Management Plans [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Technology Service [Member] Technology Service [Member] Liquidity And Management Plans [Line Items] Liquidity And Management Plans [Line Items] Engineering product development Net loss Net cash provided by (used in) operating activities Proceeds of securities offerings Cash and cash equivalents, at carrying value, total Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Summary of significant accounting policies. Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Product development projects revenue. Product Development Projects Revenue [Member] Product Development Projects Revenue [Member] Royalty Revenue [Member] Royalty [Member] Contract services revenue. Contract Services Revenue [Member] Contract Services Revenue [Member] Employee stock purchase plan. Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Research and development expense, total Common stock purchase price discount percentage Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date Liability for unrecognized tax benefits Unrecognized Tax Benefits Interest or penalties for uncertain tax positions Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Warrant Issued to Private Investors [Member] Warrant [Member] Employee Stock Option [Member] Employee Stock Option [Member] Performance Share Units [Member] Phantom Share Units P S Us [Member] Total potentially dilutive securities Operating lease monthly rental expense. Monthly lease payment, threshold limit. Commitments and contingencies. Commitments and contingencies. Commitments And Contingencies [Table] Commitments And Contingencies [Table] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] San Jose, California. San Jose, California [Member] San Jose California [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Costa Mesa, California. Costa Mesa, California [Member] Costa Mesa California [Member] Accounting Standards Update Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update Type Of Adoption [Member] ASU No. 2016-02 [Member] Accounting Standards Update201602 [Member] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Operating lease, renewal term Lessee Operating Lease Renewal Term Operating lease payment Operating Lease Monthly Rental Expense Maximum monthly lease payment Monthly Lease Payment Threshold Limit Operating lease liabilities Total operating lease payments Lessee Operating Lease Liability Payments Due Long-term portion of operating lease liabilities Weighted average remaining lease term Operating Lease Weighted Average Remaining Lease Term1 Operating Leases Future Minimum Payments Due [Abstract] 2021 Lessee Operating Lease Liability Payments Remainder Of Fiscal Year 2022 Lessee Operating Lease Liability Payments Due Next Twelve Months Total future lease payments Present value discount (4% weighted average) Lessee Operating Lease Liability Undiscounted Excess Amount Total operating lease liabilities Operating Lease Liability Initial term of agreement. Quarterly payment for service agreement. Additional term of agreement. Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Hosted design software agreement. Hosted Design Software Agreement [Member] Hosted Design Software Agreement [Member] Initial term of agreement Initial Term Of Agreement Quarterly payments for service agreement Quarterly Payment For Service Agreement Additional term of agreement Additional Term Of Agreement Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Accrued expenses. Accrued Expenses [Member] Accrued Expenses [Member] Title of Individual Title Of Individual [Axis] Title of Individual Title Of Individual With Relationship To Entity [Domain] Executive Officers [Member] Executive Officer [Member] Accrued bonus expense Labor And Related Expense Represents the percentage of base salary. Agreement effective date. Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Mr Rizzone [Member] Mr. Rizzone [Member] Mr Rizzone [Member] Agreement effective date Agreement Effective Date Officers' compensation Officers Compensation Employment agreement percentage of base salary Employment Agreement Percentage Of Base Salary Strategic Alliance Agreement. Strategic Alliance Agreement [Member] Strategic Alliance Agreement [Member] Number of common stock voting entitlement per share. Stockholders Equity Note [Abstract] Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Consummation of offering under shelf registration. Consummation of Offering Under Shelf Registration [Member] Consummation Of Offering Under Shelf Registration [Member] Sales agreement. At-the-Market (?ATM?) Sales Agreement [Member] Sales Agreement [Member] Restricted stock units rescission agreements. RSU Rescission Agreements [Member] Restricted Stock Units Rescission Agreements [Member] Class of Stock [Line Items] Class Of Stock [Line Items] Number of common stock voting entitlement per share Number Of Common Stock Voting Entitlement Per Share Potential proceeds through offering any combination of debt or equity securities. Stock issued during period value private placements. Issuance cost of common stock and warrants. Common stock outstanding abstract. Number of securities that were sold during the period. The cash outflow for legal and accounting expense incurred directly with the issuance of an equity security. At the market funds receivable. Proceeds from shelf registration debt or equity securities Proceeds From Shelf Registration Debt Or Equity Securities Proceeds from private offering of shares of common stock and warrants Stock Issued During Period Value Private Placements Net of issuance costs from offering of shares Issuance Cost Of Common Stock And Warrants Class of warrant or right, number of securities called by warrants or rights Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Class of warrant or right, exercise price of warrants or rights Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 Proceeds from at the market offering of shares of common stock and warrants Securities reserved for issuance Proceeds From Issuance Or Sale Of Equity Proceeds from (Payments for) in Securities Sold under Agreements Proceeds From Payments For In Securities Sold Under Agreements To Repurchase Sale of stock, Description Sale Of Stock Description Of Transaction Number of shares returned Stock Repurchased And Retired During Period Shares Common stock outstanding abstract Common Stock Outstanding [Abstract] Brokerage commissions receivables Receivables From Brokers Dealers And Clearing Organizations Accounting issuance costs will be paid Payments Of Stock Issuance Costs Legal And Accounting Expense At-the-market ("ATM") funds receivable At The Market Funds Receivable Securities Sold under Agreement, Shares Securities Sold Under Agreement Shares Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] 2013 equity incentive plan. 2013 Equity Incentive Plan [Member] Two Thousand Thirteen Equity Incentive Plan [Member] Non-employee equity compensation plan 2014. Non-Employee Equity Compensation Plan 2014 [Member] Nonemployee Equity Compensation Plans2014 [Member] Two Thousand And Fifteen Performance Share Unit Plan. 2015 Performance Share Unit Plan [Member] Two Thousand And Fifteen Performance Share Unit Plan [Member] 2017 equity inducement plan. 2017 Equity Inducement Plan [Member] Two Thousands Seventeen Equity Inducement Plan [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based compensation arrangement by share-based payment award, number of shares authorized for issuance Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Common stock, capital shares reserved for future issuance Common Stock Capital Shares Reserved For Future Issuance Common stock remain eligible to be issued. Common stock remain eligible to be issued Common Stock Remain Eligible To Be Issued Share based compensation arrangement by share based payment award minimum employee subscription rate. Lowest percentage of annual compensation to be utilized by an employee for purchase of shares under the plan Share Based Compensation Arrangement By Share Based Payment Award Minimum Employee Subscription Rate Highest percentage of annual compensation to be utilized by an employee for purchase of shares under the plan Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate Maximum number of shares permitted to purchase Share Based Compensation Arrangement By Share Based Payment Award Maximum Number Of Shares Per Employee Offering period Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Exercise price discount from fair value on offering date Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Offering Date Exercise price discount from fair value on exercise date Share-based compensation arrangement by share-based payment award, terms of award Share Based Compensation Arrangement By Share Based Payment Award Terms Of Award Employee contribution through payroll withholdings. Employee contribution through payroll withholdings Employee Contribution Through Payroll Withholdings Number of options vested during the period which excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. It represents the number of exercisable options exercised. Number of options forfeited during the period which excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Option Indexed to Issuer's Equity Option Indexed To Issuers Equity Equity [Axis] Option Indexed to Issuer's Equity, Type Option Indexed To Issuers Equity Type [Domain] Number of Options, Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of Options, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Number of Options, Exercised Stock Issued During Period Shares Stock Options Exercised Number of Options, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of Options, Outstanding Number of Options, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Number of Options, Vested Share Based Compensation Arrangement Share Based Payment Award Options Vested In Period Shares Number of Options, Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Options Exercised Number of Options, Forfeited Share Based Compensation Arrangement Share Based Payment Award Options Forfeited In Period Shares Number of Options, Exercisable The weighted-average price of stock options vested in period. It represents the weighted average exercise price of exercisable options exercised. The weighted-average price of stock options forfeited in period. Weighted Average Exercise Price, Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding Weighted Average Exercise Price, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted Average Exercise Price, Vested Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Of Options Exercised Weighted Average Exercise Price, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited In Period Weighted Average Exercise Price Weighted Average Exercise Price, Exercisable Weighted Average Remaining Life In Years, Outstanding Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Weighted Average Remaining Life In Years, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Intrinsic Value, Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Intrinsic Value, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Employee. Employee [Member] Employee [Member] Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Share-based compensation arrangement by share-based payment award, award vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Employee service share-based compensation, nonvested awards, compensation not yet recognized, share-based awards other than options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Number of Options, Outstanding Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number RSUs granted RSUs forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period RSUs vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of Options, Outstanding Weighted Average Grant Date Fair Value, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, RSUs granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, RSUs forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, RSUs vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Ending Balance 2015 Performance share unit plan. 2015 Performance Share Unit Plan [Member] Two Thousand Fifteen Performance Share Unit [Member] Allocated share-based compensation expense Allocated Share Based Compensation Expense Performance Shares [Member] PSUs granted PSUs forfeited PSUs / DSUs vested Weighted Average Grant Date Fair Value, PSUs granted Weighted Average Grant Date Fair Value, PSUs forfeited Weighted Average Grant Date Fair Value, PSUs vested Percentage of proportionate value of call option for stock. Percentage of proportionate value of put option for stock. Employee Stock Purchase Plan [Member] Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value Percentage of proportionate value of call option of stock Percentage Of Proportionate Value Of Call Option For Stock Percentage of proportionate value of put option of stock Percentage Of Proportionate Value Of Put Option For Stock Option Indexed to Issuer's Equity, Type Option Indexed To Issuers Equity Type [Axis] Stock price Share Price Dividend yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected life Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 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 [Table] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Total Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Research and Development Expense [Member] Research And Development Expense [Member] Selling and Marketing Expense [Member] Selling And Marketing Expense [Member] General and Administrative Expense [Member] General And Administrative Expense [Member] Share-based Compensation, Total Schedule Of Related Party Transactions By Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Private Placements [Member] Private Placement [Member] Agreement [Axis] Agreement Agreement [Axis] Agreement [Domain] Agreement Agreement [Domain] Contract services. Contract Services [Member] Contract Services [Member] Chip development. Chip Development [Member] Chip Development [Member] Related Party Transaction Related Party Transaction [Axis] Related Party Transaction Related Party Transaction [Domain] Dialog Semiconductor Plc. Dialog Semiconductor Plc [Member] Dialog Semiconductor Plc [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Stock issued during period, shares, new issues Stock Issued During Period Shares New Issues Class of warrant or right, number of securities called by warrants or rights Equity method investment, ownership percentage Equity Method Investment Ownership Percentage Revenue Revenue From Contract With Customer Excluding Assessed Tax Warrants outstanding Class Of Warrant Or Right Outstanding Concentration risk, number of customers. Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Credit Concentration Risk [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Revenues [Member] Sales Revenue Net [Member] Accounts Receivable [Member] Accounts Receivable [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Number of customers Concentration Risk Number Of Customers Concentration percentage Concentration Risk Percentage1 Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Separation Agreement member Separation Agreement [Member] Separation Agreement [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Additional lump sum cash payment Net Change Annuities And Investment Certificates Description of other commitments Other Commitments Description