Cover [Abstract] Trading Symbol Trading Symbol 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 Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Current Reporting Status Entity Current Reporting Status Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Title of 12(b) Security Title of 12(b) Security Security Exchange Name Security Exchange Name Entity Address, State or Province Entity Address, State or Province Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Interactive Data Current Entity Interactive Data Current Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] Assets [Abstract] ASSETS Assets Total assets Assets, Current [Abstract] Current assets: Assets, Current Total current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents at beginning of the period Cash and cash equivalents at end of the period Cash, Cash Equivalents, and Short-term Investments Total cash, cash equivalents and short-term investments Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Short-term Investments Short-term investments Receivable For Foreign Tax Withholding Receivable for foreign tax withholding Receivable for foreign tax withholding. Property, Plant and Equipment, Net Property and equipment, net Operating Lease, Right-of-Use Asset Operating lease right-of-use asset Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Commitments and Contingencies Commitments and contingencies (Note 6) Liabilities Total liabilities Liabilities and Equity Total liabilities and stockholders' equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Deferred Revenue, Current Deferred revenue Liabilities, Current Total current liabilities Operating Lease, Liability, Current Operating lease liability Operating lease liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Additional Paid in Capital, Common Stock Additional paid-in capital Common Stock, Value, Issued Common stock, $0.00000002 par value; 226,000 shares authorized; 112,528 and 111,514 shares issued and outstanding at December 31, 2020 and June 30, 2020, respectively Preferred Stock, Value, Issued Preferred stock, $0.01 par value; 100 shares authorized; none outstanding Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Losses Since Inception Stockholders' Equity Attributable to Parent Total stockholders' equity Beginning Balance Ending Balance Warrants Not Settleable in Cash, Fair Value Disclosure Warrant liability Warrant liability Beginning balance Ending balance Fair value of warrants Deferred Revenue, Noncurrent Deferred revenue, long-term Operating Lease, Liability, Noncurrent Operating lease liability, long-term Operating lease liabilities, long-term 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 Common stock, shares outstanding Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Income Statement [Abstract] Costs and Expenses [Abstract] Operating expenses: Cost of Goods and Services Sold Cost of revenue Costs and Expenses Total operating expenses General and Administrative Expense General and administrative Research and Development Expense Research and development Earnings Per Share [Abstract] Net loss per share: Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Net Income (Loss) Attributable to Parent [Abstract] Net loss: Net Income (Loss) Available to Common Stockholders, Basic Basic Net loss - basic Net Income (Loss) Available to Common Stockholders, Diluted Diluted Net loss - diluted Nonoperating Income (Expense) [Abstract] Other income (expense): Fair Value, Liabilities Measured on Recurring Basis, Change in Unrealized Gain (Loss) Change in fair value of warrant liability Change in fair value of warrant liability Change in estimated fair value of liability classified warrants Investment Income, Interest and Dividend Interest and dividend income Net Income (Loss) Attributable to Parent Net loss Net loss Other Nonoperating Income (Expense) Other income (expense) Operating Income (Loss) Loss from operations Revenues Revenue Revenues Weighted Average Number of Shares Outstanding, Diluted [Abstract] Shares used in computing net loss per share: Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted Average Number of Shares Outstanding, Basic Basic Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Shares Additional Paid-in Capital [Member] Additional paid in capital Retained Earnings [Member] Accumulated Deficit Stock Issued During Period, Value, New Issues Issuance of common stock Common stock Value Issued Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Share-based compensation expense Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Statement of Cash Flows [Abstract] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net decrease in cash and cash equivalents 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 Proceeds from Stock Options Exercised Proceeds from exercise of stock options Proceeds from Issuance of Common Stock Proceeds from issuance of common stock, net Proceeds From Previously Issued Common Stock Collection of common stock proceeds receivable Proceeds From Previously Issued Common Stock. Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Short-term Investments Purchases of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-term Investments Proceeds from maturity of short-term investments 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, Depletion and Amortization Depreciation and amortization Share-based Compensation Share-based compensation Non Cash Lease Expense Non-cash lease expense Non cash lease expense. Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Payable, Trade Accounts payable Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Contract with Customer, Liability Deferred revenue Net change Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase Decrease In Operating Lease Liabilities Current Operating lease liability Increase decrease in operating lease liabilities current. Increase Or Decrease In Receivable For Foreign Tax Withholding Receivable for foreign tax withholding Increase or Decrease in Receivable for foreign tax withholding. Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Supplemental Cash Flow Information [Abstract] Supplemental disclosures: Income Taxes Paid, Net Income taxes paid Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating lease right-of-use assets obtained in exchange for operating lease liabilities Right-of-use assets obtained in exchange for operating lease obligations: Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] The Company and Summary of Significant Accounting Policies Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] License Agreements Collaborative Arrangement Disclosure [Text Block] BeiGene Collaboration Earnings Per Share [Text Block] Net Loss Per Share Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure Text Block [Abstract] Lessee, Operating Leases [Text Block] Leases Investments, Debt and Equity Securities [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Short-Term Investments Federal Home Loan Banks [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-based Compensation Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Clinical Development Programs [Policy Text Block] Clinical Development Programs Clinical development programs. Compensation Related Costs, Policy [Policy Text Block] Share-based Compensation Income Tax, Policy [Policy Text Block] Income Taxes Research and Development Expense, Policy [Policy Text Block] Research and Development Costs Revenue Recognition, Policy [Policy Text Block] Revenue Recognition Use of Estimates, Policy [Policy Text Block] Use of Estimates Liquidity [Policy Text Block] Liquidity The Disclosure In Its Entirety Pertaining to the Accounting Policy In Respect Of Liquid Resources Held By The Entity. Lessee, Leases [Policy Text Block] Leases Contract with Customer, Asset and Liability [Table Text Block] Schedule of Changes in Contract Assets and Contract Liabilities Schedule Of Revenue Associated With License Agreement [Table Text Block] Schedule Of Revenue Associated With License Agreement Schedule Of Revenue Associated With License Agreement Fair Value of Warrant Liability Assumptions [Table Text Block] Schedule of Assumptions Used to Calculate Fair Value of Warrant Liability Fair Value of Warrant Liability Assumptions [Table Text Block] Schedule Of Changes In Fair Value Of Warrant Liability [Table Text Block] Schedule of Changes in Estimated Fair Value of Warrant Liability Schedule Of Changes In Fair Value Of Warrant Liability [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financial Instruments Measured at Fair Value on Recurring Basis Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Income (Loss) Per Share, Basic and Diluted Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Antidilutive Securities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Future Minimum Rental Payments Lease, Cost [Table Text Block] Schedule of Total Operating Costs Disclosure Of Supplemental Cash Flow Information Related To Operating Leases [Table Text Block] Schedule of Supplemental Cash Flow Information Related to Operating Leases Disclosure of supplemental cash flow information related to operating leases. Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Summary of Stock Option Activity and Related Data Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Share-Based Compensation Expense for Stock Awards Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Fair Value of Stock Options Weighted-Average Assumptions Used Assets and Liabilities Eliminated upon Consolidation [Abstract] Assets and Liabilities Eliminated upon Consolidation [Abstract] Targeted or Tracking Stock, Stock [Table] Targeted or Tracking Stock, Stock [Table] Targeted or Tracking Stock, Stock [Line Items] Targeted or Tracking Stock, Stock [Line Items] Number of Clinical Stage Candidates Number of clinical stage candidates Number of clinical stage candidates. Revenue, Remaining Performance Obligation, Amount Deferred Revenue Associated With Remaining Performance Obligation Unrecognized Tax Benefits Unrecognized tax benefits Revenue Performance Obligation Amount Revenue Recognised With Performance Obligation Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Cash And Cash EquivalentsShort Term Investments And Common Stock Proceeds Receivable Cash And Cash Equivalents,Short Term Investments And Common Stock Proceeds Receivable Represents Cash And Cash Equivalents,Short Term Investments And Proceeds Receivable From The Sale Of Common Stock Increase (Decrease) in Contract with Customer, Asset Increase in contract assets Net change Contract with Customer, Asset, Net, Current Contract assets, Current Contract assets, beginning of period Contract assets, end of period Contract with Customer, Liability, Revenue Recognized Contract with Customer, Liability, Revenue Recognized Performance obligation revenue recognised Deferred Revenue, Revenue Recognized Deferred Revenue, Revenue Recognized Type of Arrangement and Non-arrangement Transactions [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] Range [Axis] Range Range [Axis] Range [Domain] Range [Domain] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Agreement [Axis] Agreement [Axis]. Agreement [Domain] Agreement [Domain]. Helsinn License Agreement [Member] Helsinn License Agreement Helsinn license agreement. KKC Commercialization Agreement And The Helsinn License Agreement [Member] KKC Commercialization Agreement And The Helsinn License Agreement KKC commercialization agreement and the helsinn license agreement. KKC Agreements And Helsinn License Agreement [Member] KKC Agreements and Helsinn License Agreement KKC agreements and helsinn license agreement [Member]. Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Axis] Deferred Revenue [Domain] Deferred Revenue [Domain] US License [Member] US License US license. Ex Us License [Member] Ex US License Recognized Revenue Associated with The Following License Agreements [Abstract] Recognized Revenue Associated with The Following License Agreements [Table] Recognized Revenue Associated with The Following License Agreements [Line Items] Kkc Agreements [Member] KKC License Agreement [Member] KKC License Agreement Kkc Agreements [Member]. Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Transferred over Time [Member] Services performed over time [Member] Contract with Customer, Asset and Liability [Abstract] Contract with Customer Asset and Liability [Table] Contract with Customer Asset and Liability [Table] Contract with customer asset and liability. Contract with Customer Asset and Liability [Line Items] Contract with Customer Asset and Liability [Line Items] Contract with customer asset and liability Line items. Accounts Receivable Net Beginning Balance Receivables, beginning of period Accounts receivable net beginning balance. Accounts Receivable Net Ending Balance Receivables, end of period Accounts receivable net ending balance. Contract with Customer, Liability Contract liabilities, beginning of period Contract liabilities, end of period Increase (Decrease) in Receivables Net change Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Financial and Nonfinancial Liabilities, Fair Value Disclosure Total liability Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 3 [Member] Level 3 Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Warrants and Rights Outstanding, Measurement Input Measurement Input Type [Axis] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input, Expected Dividend Rate [Member] Dividend Yield Measurement Input, Expected Term [Member] Expected life years Measurement Input, Price Volatility [Member] Expected volatility Measurement Input, Risk Free Interest Rate [Member] Risk Free Interest Rate Measurement Input, Exercise Price [Member] Black-Scholes Fair Value Fair Value Measurements, Significant Unobservable Inputs [Table] Fair value measurements Significant unobservable inputs [Table] Schedule of fair value measurements significant unobservable inputs. Fair Value Measurements, Significant Unobservable Inputs [Line Items] Fair value measurements Significant unobservable inputs [Line Items] Fair Value Measurements, Significant Unobservable Inputs [Line Items] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Kyowa Kirin Co [Member] Kyowa Kirin Co Maximum [Member] Maximum Related Party Transaction [Axis] Related Party Transactions Related Party Transaction [Domain] Related Party Transaction [Domain] Incremental Payment [Member] Incremental Payment Incremental Payment. Potential Payments on Achievement of Development Regulatory and Commercial Milestones [Member] Potential Payments on Achievement of Development Regulatory and Commercial Milestones Potential payments on achievement of development regulatory and commercial milestones. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Agreement Termination Notice Period License and supply agreement notice period Agreement termination notice period. Due to Related Parties Compensation payable for grant of rights Payment For License Agreement Payment for license Payment for license agreement. Percentage of Purchases from Major Suppliers Percentage of Purchase Requirement Percentage of purchases from major suppliers. Potential Milestone Payments Payable Milestone payments payable amount Potential milestone payments payable. Potential Milestone Payments Receivable Milestone payment receivable amount Potential milestone payments receivable. Proceeds from License Fees Received Compensation receivable for grant of rights Up Front Payment Upfront payment Up Front Payment Total Upfront Payment Receivable For Grant Of Rights Total upfront payment receivable for grant of rights Total upfront payment receivable for grant of rights. Total Transaction Price In Respect Of Colloboration Revenue Transaction price relating to the performance obligation Total transaction price in respect of colloboration revenue. Expected Milestone Payment Receivable Expected milestone payment receivable Expected milestone payment receivable. Estimated Development Cost Sharing Recoverable Through Earnings Estimated development cost sharing recovered through earnings Estimated development cost sharing reoverable through earnings. Deferred Revenue Deferred revenue License Obligation Account Transaction Price Allocated License Obligation Account Transaction Price Allocated License obligation account transaction price allocated. Contract with Customer, Liability, Noncurrent Contract with customer liability non current Profits And Costs Sharing Ratio Profit sharing ratio Profits and costs sharing ratio. Related Party [Axis] Related Party Related Party [Domain] Related Party [Domain] Presage Biosciences Inc [Member] Presage Biosciences, Inc. Presage Biosciences Inc. Presage License Agreement [Member] Presage License Agreement Presage License Agreement. Product and Service [Axis] Product and Service [Domain] Development Services [Member] Development Services Event [Axis] Event Event [Domain] Event Updation Of Initial Assessment [Member] Updation of Initial Assessment Updation Of Initial Assessment Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Potentially Dilutive Securities Outstanding [Line Items] Potentially Dilutive Securities Outstanding [Line Items] Potentially Dilutive Securities Outstanding [Line Items] Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation Common stock subject to repurchase or forfeiture Dilutive Securities Effect On Basic Earnings Per Share Change In Fair Value Of Warrant Liability Change in fair value of warrant liability Dilutive securities effect on basic earnings per share change in fair value of warrant liability. Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Employee Stock option Employee Stock Option Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) Warrant [Member] Warrants Warrant [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total anti-dilutive shares Purchase Commitment, Excluding Long-term Commitment [Table] Purchase Commitment, Excluding Long-term Commitment [Table] Purchase Commitment, Excluding Long-term Commitment [Line Items] Purchase Commitment, Excluding Long-term Commitment [Line Items] Accrued Milestone Payments Accrued payment for potential future payments Accrued milestone payments. Milestone Payments, Maximum Amount Future aggregate milestone payments Milestone payments, maximum amount. CyDex License Agreement [Member] CyDex License Agreement CyDex License Agreement. SBio Purchase Agreement [Member] S*Bio Purchase Agreement S Bio Purchase Agreement. Other Commitments [Axis] Other Commitments [Domain] Number Of Square Feet Under Lease Number of square feet under lease Number of square feet under lease. Lease Expiration Date Lease expire date Operating Lease, Liability Operating lease liabilities Total operating lease liability Total operating lease liability Initial Recognition Of Operating Lease Right Of Use Asset Operating lease right of use assets Initial recognition of operating lease right of use asset. Accounting Standards Update 2016-02 [Member] Geographical [Axis] Geographical [Domain] San Diego California [Member] Leases [Abstract] Operating Lease, Cost Operating lease cost Disclosure Of Supplemental Cash Flow Information Related To Operating Leases [Abstract] Disclosure of supplemental cash flow information related to operating leases. Lease, Cost [Abstract] Cash paid for amounts included in the measurement of lease liabilities: Operating Lease, Payments Operating cash flows from operating leases Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Remainder of fiscal year ending June 30, 2021 Lessee, Operating Lease, Liability, to be Paid, Year One Years ending June 30, 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three 2024 Lessee, Operating Lease, Liability, to be Paid, Year Four 2025 Lessee Operating Lease Liability Payments Due After Year Four Thereafter Lessee operating lease liability payments due after year four. Lessee, Operating Lease, Liability, Payments, Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: Present value discount Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term (in years) Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate 2026 Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Warrants outstanding Number of Shares Agreed to be Sold Under Agreement Sale of shares under agreement Number of Shares Agreed to be Sold Under Agreement Sale Of Shares And Warrants Under Agreement Sale of shares and warrants under agreement Sale of shares and warrants under agreement. Shelf Registration Statement Value Aggregate value of securities available under shelf registration statement Represents Shelf registration statement value. Stock Issued During Period, Shares, New Issues Common stock share issued Unsold Securities Shares And Warrants Under Agreement Unsold Securities Shares and Warrants Under Agreement Unsold securities shares and warrants under agreement. Aggregate Value of Securities Available Under Agreement Aggregate Value of Securities Available Under Agreement Aggregate value of securities available under agreement. At The Market Sale Agreement [Member] ATM Sales Agreement At-the-market equity offering sales agreement. Two Thousand And Twenty At The Market Sale Agreement [Member] Two Thousand And Twenty At The Market Sale Agreement Two thousand and twenty at the market sale agreement. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Minimum [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Two Thousand And Eight Omnibus Plan [Member] 2008 Omnibus Plan Two thousand and eight omnibus plan. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Expected weighted average period for recognition of compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized compensation expense related to unvested stock options Number of Shares to be Received Number of common stock to be received for each RSUs Number of shares to be received. Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based compensation arrangement by share-based payment award, award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Stock option vested percentage Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 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 RSUs grant date fair value per unit Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based compensation arrangement by share-based payment award, expiration period Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common stock authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Shares available for future grant Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Restricted stock units forfeiture during the period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share based compensation by share based payment arrangement other than options unvested outstanding Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Share based compensation by share based payment arrangement other than options unvested cost not yet recognised amount Number Of Shares For Each Unit Of Restricted Stock Number of shares for each unit of restricted stock Number of shares for each unit of restricted stock. Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Relationship to Entity [Domain] Director [Member] Directors Employees [Member] Employees Employees. Vesting [Axis] Vesting [Domain] Share-based Payment Arrangement, Tranche Two [Member] Share-based Payment Arrangement Tranche Two 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] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] General and Administrative Expense [Member] General and administrative Research and Development Expense [Member] Research and development Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Vested and exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested and exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited / Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Beginning Balance Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted- Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Vested and exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Beginning Balance Ending balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Forfeited / Cancelled Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term (in years) Share-based compensation arrangement by share-based payment award, options, weighted average remaining contractual term. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Vested and exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding at end of period 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 Term Expected life (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, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average grant date fair value