Document and Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Current Fiscal Year End Date Current Fiscal Year End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Condensed Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Assets Current [Abstract] Current assets: Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Available-for-sale Securities, Current Investments Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Assets Current Total current assets Property Plant And Equipment Net Equipment, net Property and equipment, net Finite-Lived Intangible Assets, Net Intangible assets, net Intangible assets, net Goodwill Goodwill Operating Lease, Right-of-Use Asset Right-of-use assets Other Assets Noncurrent Other assets Assets Total assets Liabilities and Stockholders’ Equity LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Current [Abstract] Current liabilities: Accounts Payable Current Accounts payable Accrued Liabilities, Current Accrued expenses Accrued expenses Operating Lease, Liability, Current Lease liability, current Current operating lease liabilities Liabilities Current Total current liabilities Operating Lease, Liability, Noncurrent Lease liability, less current portion Non-current operating lease liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 8) Stockholders Equity [Abstract] Stockholders' equity: Preferred Stock Value Preferred stock, $0.001 par value; authorized – 50,000 shares; no shares issued and outstanding Common Stock, Value, Issued Common stock, $0.001 par value: authorized – 500,000 shares; issued and outstanding – 25,149 shares and 20,825 shares at June 30, 2020 and December 31, 2019, respectively Additional Paid in Capital, Common Stock Additional paid-in-capital Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income (loss) Retained Earnings Accumulated Deficit Accumulated deficit Stockholders Equity Balance Balance Total stockholders' equity Liabilities And Stockholders Equity Total liabilities and stockholders' equity Preferred Stock Par Or Stated Value Per Share Preferred stock, par value 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 Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Balance, shares Balance, shares Common stock, shares outstanding Condensed Consolidated Statements Of Operations And Comprehensive Loss [Abstract] Operating Expenses [Abstract] Operating expenses: General and Administrative Expense General and administrative Research And Development Expense Research and development expense Research and development Amortization of Intangible Assets Amortization of intangible assets Operating Expenses Total operating expenses Interest Income (Expense), Net [Abstract] Other income: Interest Income, Operating Interest income Interest Income (Expense), Net Total other income Net Income Loss Net loss Net loss Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive loss: Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized gain on available-for-sale securities Unrealized gain on available-for-sale securities Comprehensive Income Net Of Tax Comprehensive loss Earnings Per Share Basic And Diluted [Abstract] Net loss per share: Earnings Per Share Basic And Diluted Basic and diluted net loss per share Weighted Average Number Of Share Outstanding Basic And Diluted Weighted average shares used to compute net loss per common share - basic and diluted Condensed Consolidated Statements Of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation Depreciation expense Share Based Compensation Stock-based compensation Investment Income, Net, Amortization of Discount and Premium Net premium amortization and discount on available-for-sale securities Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of fixed assets Gain (Loss) On Government Securities Gain (Loss) On Government Securities Gain on government securities Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other current assets Noncash Adjustment Right-of-use Assets Noncash Adjustment Right-of-use Assets Right-of-use assets Increase (Decrease) in Other Operating Assets Other long-term assets Increase Decrease In Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Noncash Adjustment Lease Liabilities Noncash Adjustment Lease Liabilities Lease liabilities Increase (Decrease) Other Assets Increase (Decrease) Other Assets Other assets Increase Decrease In Other Operating Liabilities Other current and non-current liabilities Net Cash Provided by (Used in) Operating Activities Net cash 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 Payments to Acquire Marketable Securities Purchases of investments Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Maturities of investments Proceeds from Sale and Maturity of Marketable Securities Sales of investments Net Cash Provided By 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: Proceeds from Issuance of Private Placement Proceeds from the issuance of common stock and warrants, net of issuance cost of $501 Proceeds from Stock Plans Proceeds from issuance of common stock under employee stock purchase plan Payments Related to Tax Withholding for Share-based Compensation Tax payments related to shares withheld for vested restricted stock units Proceeds from Stock Options Exercised Proceeds from exercises of stock options Cash received from option exercises Net Cash Provided By Used In Financing Activities Net cash provided by (used in) financing activities Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash Supplemental disclosure of noncash investing and financing activities: Available-for-sale Securities, Gross Gains (Losses), Derivatives Change in unrealized gains (losses) on available-for-sale securities Contribution of Property Unpaid property and equipment included in accounts payable and accrued expenses Issuance costs for rights offering in accounts payable Issuance costs for rights offering in accounts payable Payments of Stock Issuance Costs Issuance costs Condensed Consolidated Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Retained Earnings [Member] Accumulated Deficit [Member] Stock Issued During Period, Value, Stock Options Exercised Issuance of shares upon exercise of stock options Stock Issued During Period Shares Stock Options Exercised Options exercised, Number of shares Warrants exercised Issuance of shares upon exercise of stock options, shares Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of shares under employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of shares under employee stock purchase plan, shares Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of shares upon vesting of restriced stock units, shares Value of stock issued as a result of rights offering. Stock Issued During Period, Value, Rights Offering Issuance of common stock and warrants in connection with rights offering, net of issuance cost of $501 Shares of stock issued as a result of rights offering. Stock Issued During Period, Shares, Rights Offering Issuance of common stock and warrants in connection with rights offering, net of issuance cost of $501, shares Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Tax payments related to shares withheld for vested restricted stock units. Tax Payments Related To Shares Withheld For Vested Restricted Stock Tax payments related to shares withheld for vested restricted stock units Class of Warrant or Right, Exercise Price of Warrants or Rights1 Exercise price of warrants/rights Description Of The Business [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Description Of The Business Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Fair Value Of Financial Instruments [Abstract] Fair Value Disclosures [Text Block] Fair Value Of Financial Instruments Balance Sheet Components [Abstract] Balance Sheet Components [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Goodwill [Abstract] Business Combination Disclosure [Text Block] Goodwill Stockholders' Equity And Stock-Based Compensation [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stockholders' Equity And Stock-Based Compensation Research Grants And Agreements [Abstract] Research, Development, and Computer Software Disclosure [Text Block] Research Grants And Agreements Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events COVID-19 Pandemic [Policy Text Block] COVID-19 Pandemic [Policy Text Block] COVID-19 Pandemic Basis of Accounting, Policy [Policy Text Block] Basis Of Presentation Consolidation, Policy [Policy Text Block] Principles Of Consolidation Use Of Estimates Use Of Estimates Significant Accounting Policies [Policy Text Block] Significant Accounting Policies [Policy Text Block] Significant Accounting Policies Earnings Per Share Policy [Text Block] Net Loss Per Share New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncement Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Anti-Dilutive Shares Excluded From Computation Of Diluted Net Loss Per Share Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value Of Financial Assets Measured On A Recurring Basis Property, Plant and Equipment [Table Text Block] Schedule Of Property And Equipment, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule Of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule Of Amortization Of Intangible Assets Schedule of Accrued Liabilities [Table Text Block] Schedule Of Accrued Expenses Stockholders' Equity [Table] Stockholders' Equity [Table] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Two Thousand Seventeen Employee Stock Purchase Plan [Member] Two Thousand Seventeen Employee Stock Purchase Plan [Member] 2017 Employee Stock Purchase Plan [Member] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Stockholders' Equity [Line Items] Stockholders' Equity [Line Items] Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary Of Stock Option Activity Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary Of Stock-Based Compensation Expense Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Schedule Of Fair Value Of Employee Stock Options Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule Of Maturity Lease Payments Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities [Table Text Block] Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities [Table Text Block] Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities Warrants and Rights Outstanding Value of warrants/rights Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Warrant [Member] Warrants [Member] Restricted Stock Units R S U [Member] Restricted Stock Units [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Total Finite-Lived Intangible Asset, Useful Life Intangible asset useful life Accrued Employee Benefits, Current Compensation expense Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Leasehold Improvements [Member] Leasehold Improvements [Member] Laboratory Equipment [Member] Laboratory Equipment [Member] Laboratory Equipment [Member] Furniture And Fixtures [Member] Furniture, Fixtures, And Equipment [Member] Software And Software Development Costs [Member] Software [Member] Construction In Progress [Member] Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation and amortization Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Technology Based Intangible Assets [Member] Acquired Patents And Licenses [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Gross Acquired patents and licenses Finite-Lived Intangible Assets, Accumulated Amortization Less: Accumulated amortization Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2020 (remaining 9 months) Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five 2025 Finite-Lived Intangible Assets, Amortization Expense, after Year Five Thereafter Carrying value as of the balance sheet date of obligations and payables pertaining to clinical trials. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Clinical Trials, Current Accrued clinical Accrued Professional Fees, Current Professional fees Accrued Property And Equipment Accrued Property And Equipment Property and equipment Other Accrued Liabilities, Current Other Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Legal Entity [Axis] Entity [Domain] Entity [Domain] ThelioPulse, Inc., BioElectroMed Corp. And NanoBlate Corp. [Member] Theliopulse Inc. Bioelectromed Corp. And Nanoblate Corp. [Member] TPI, BEM And NB [Member] Business Acquisition, Equity Interests Issued or Issuable [Line Items] Business Combination, Consideration Transferred Aggregate consideration Equity Method Investment, Ownership Percentage Ownership percentage Goodwill, Impairment Loss Goodwill impairment Related Party [Axis] Related Party [Domain] Related Party [Domain] MDB Capital Group, LLC [Member] Mdb Capital Group Llc [Member] MDB Capital Group, LLC [Member] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Board Of Directors Chairman [Member] Chairman, Robert W. Duggan [Member] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] I P O [Member] Initial Public Offering [Member] Private Placement [Member] Private Placement [Member] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] General And Administrative Expense [Member] General and administrative [Member] Research And Development Expense [Member] Research and development [Member] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share Based Compensation Award Tranche One [Member] First Vesting Portion [Member] Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Rights Offering [Member] Rights Offering [Member] Rights Offering [Member] Investment, Name [Axis] Equity Method Investee Name [Domain] Investment, Name [Domain] Two Thousand Seventeen Inducement Equity Incentive Plan [Member] Two Thousand Seventeen Inducement Equity Incentive Plan [Member] 2017 Inducement Equity Incentive Plan [Member] Two Thousand Seventeen Plan [Member] Two Thousand Seventeen Plan [Member] 2017 Plan [Member] Sale of Stock, Price Per Share Price per share Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Right entitlement to holder Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award Shares purchased Private placement warrants issued in exchange for common stock, price per share. Private Placement Warrants Issued In Exchange For Common Stock, Price Per Share Rights issued in exchange for common stock, price per share Class of Warrant or Right, Outstanding Warrants/rights outstanding Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Term period Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Additional common stock reserved for issuance Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Options granted, Number of shares Options granted Increase in shares available for issuance threshold of common stock outstanding, number of shares. Increase In Shares Available For Issuance Threshold Of Common Stock Outstanding, Number Of Shares Increase in shares available for issuance threshold of common stock outstanding, number of shares Increase in shares available for issuance threshold of common stock outstanding, percent outstanding. Increase In Shares Available For Issuance Threshold Of Common Stock Outstanding, Percent Outstanding Increase in shares available for issuance threshold of common stock outstanding, percent outstanding Exercisable period of warrants or rights. Class of Warrant or Right, Exercisable Period Exercisable period of warrants or rights Warrants or Rights, Redemption Price Per Share Warrants or Rights, Redemption Price Per Share Redemption per warrant Period the warrants or rights are exercisable after issuance. Class of Warrant or Right, Period which Warrants or Rights Exercisable Period the warrants are exercisable after issuance Percentage Required For Redemption Of Warrant Percentage Required For Redemption Of Warrant Percentage requirement for warrant redemption Period Of Time Required For Redemption Of Warrants Period Of Time Required For Redemption Of Warrants Period of time required for redemption of warrants Period Of Time Warrants Are Not Able To Be Redeemed Period Of Time Warrants Are Not Able To Be Redeemed Period of time warrant not able to be redeemed Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Shares available for grant Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Number of common shares called by issuance of warrants Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Exercisable, Weighted average exercise price per share Exercise price Allocated Share Based Compensation Expense Total stock-based compensation expense Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] 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 [Line Items] Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Ending Balance, Number of shares Beginning Balance, Number of shares Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Options canceled, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Options expired, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable, Number of shares Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Ending Balance, Weighted average exercise price per share Beginning Balance, Weighted average exercise price per share Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Options granted, Weighted average exercise price per share Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Options exercised, Weighted average exercise price per share Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Options canceled, Weighted average exercise price per share Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Options expired, Weighted average exercise price per share 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] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term 1 Expected term in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Schedule of Research and Development Arrangement, Contract to Perform for Others [Table] Old Dominion University Research Foundation [Member] Old Dominion University Research Foundation [Member] ODURF [Member] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research And Development Arrangement Contract To Perform For Others Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Sponsored research activities. Sponsored Research Agreement Sra [Member] Sponsored Research Agreement ("SRA") [Member] Research and Development Arrangement, Contract to Perform for Others [Line Items] Period of time for each Sponsored Research Agreement ("SRA"). Sponsored Research Agreement, Term Period Period of time for Sponsored Research Agreement ("SRA") Remaining sponsorship. Remaining Sponsorship Remaining sponsorship Commitments and Contingencies [Table] Commitments and Contingencies [Table] Premises [Member] Premises [Member] Hayward, CA [Member] Lease Amendment [Member] Lease Amendment [Member] Lease Amendment [Member] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Lessee Leasing Arrangements, Operating Leases, Term of Contract Lease term Area of leases. Area Of Lease Operating Leases, Rent Expense, Net Rent expense, including common area maintenance charges Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 (remaining 6 months) Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Operating Leases, Future Minimum Payments, Due in Two Years 2022 Operating Leases, Future Minimum Payments, Due in Three Years 2023 2024 2025 Operating Leases, Future Minimum Payments, Due Thereafter Thereafter Operating Leases, Future Minimum Payments Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less imputed interest Operating Lease, Liability Total lease liabilities Total lease liabilities Operating Lease, Payments Cash paid for operating lease liabilities Operating Lease Liabilities Arising From ROU Assets, Including Impact Of Adopting ASC 842 Operating Lease Liabilities Arising From ROU Assets, Including Impact Of Adopting ASC 842 Operating lease liabilities arising from ROU assets including impact of ASC 842 adoption Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Legal Expenses [Member] Legal Expenses [Member] Legal Expenses [Member] Letter Agreement [Member] Letter Agreement [Member] Letter Agreement [Member] Robert W. Duggan [Member] Robert W. Duggan [Member] Robert W. Duggan [Member] Wilson Sonsini Goodrich And Rosati (WSGR) [Member] Wilson Sonsini Goodrich And Rosati Wsgr [Member] Wilson Sonsini Goodrich And Rosati (WSGR) [Member] Related Party Transaction [Line Items] Related Party Costs Related party expenses Directors And Officers Liability Insurance Period Directors And Officers Liability Insurance Period Coverage period Security Deposit Liability Deposit for insurance Due to Related Parties Due to related parties