Cover Abstract Statement [Table] Statement [Line Items] Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Central Index Key Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two 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 Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED BALANCE SHEETS Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Marketable securities Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Operating Lease, Right-of-Use Asset Right of use assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities and amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. Accrued and Other Liabilities Current Accrued liabilities and other liabilities Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Lease liabilities, long term Other Liabilities, Noncurrent Other long-term liabilities Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, par value of $0.001 per share; 10,000,000 shares authorized at March 31, 2026 and December 31, 2025; No shares issued and outstanding at March 31, 2026 and December 31, 2025 Common Stock, Value, Issued Common stock, par value of $0.001 per share; 100,000,000 shares authorized at March 31, 2026 and December 31, 2025; 3,607,555 and 3,505,621 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive (loss) income Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Attributable to Parent Balance at the end Balance at the beginning Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value per share Preferred Stock, Shares Authorized Preferred stock, number of 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 per share Common Stock, Shares Authorized Common stock, number of shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Balance at the end (in shares) Balance at the beginning (in shares) Common stock, shares outstanding CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Total R&D General and Administrative Expense General and administrative Total G&A Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Other Nonoperating Income (Expense) Other income, net Net loss Net loss Not available. Earnings Per Shares Basic And Diluted Abstract Net loss per common share Earnings Per Share, Basic Loss per share - basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Diluted Loss per share - diluted (in dollars per share) Diluted (in dollars per share) Not available. Earnings Per Shares Basic And Diluted Other Disclosures Abstract Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Weighted-average shares outstanding - basic (in shares) Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares outstanding - diluted (in shares) Diluted (in shares) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Comprehensive loss: OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized loss on marketable securities Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive loss CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital AOCI Attributable to Parent [Member] Accumulated Other Comprehensive (Loss) Income Retained Earnings [Member] Accumulated Deficit Sale of Stock [Axis] Sale of Stock [Domain] Private Placement [Member] Private Placement Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Deficit APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock based compensation Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercised (in shares) Exercise of stock options (in shares) Stock Issued During Period, Value, New Issues Issuances of shares from at-the-market sales, net of expenses Stock Issued During Period, Shares, New Issues Issuances of shares from at-the-market sales, net of expenses (in shares) Stock issued Value of stock issued as a result of the exercise of pre-funded warrants. Stock Issued During Period, Value, Exercise Of Pre-Funded Warrants Exercise of pre-funded warrants Number of shares issued during the period as a result of exercise of pre-funded warrants. Stock Issued During Period, Shares, Exercise Of Pre-Funded Warrants Exercise of pre-funded warrants (in shares) Adjusted amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities. Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Adjusted Unrealized loss on marketable securities, net of tax CONDENSED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss 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: The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets and other items. Depreciation Depletion And Amortization And Other Depreciation and amortization Accretion (Amortization) of Discounts and Premiums, Investments Amortization of premiums and discounts on marketable securities Share-Based Payment Arrangement, Noncash Expense Stock-based compensation Represents the amount of noncash operating lease expense. Noncash Operating Lease Expense Noncash operating lease expense Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid and Other Current Liabilities. Increase Decrease In Accrued And Other Current Liabilities Accrued liabilities and other liabilities Increase (Decrease) in Operating Lease Liability Lease liabilities Increase (Decrease) in Other Noncurrent Liabilities Other long-term 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: Proceeds from Sale and Maturity of Marketable Securities Sales and maturities of marketable securities Payments to Acquire Marketable Securities Purchases of marketable securities Net Cash Provided by (Used in) Investing Activities Net cash provided by investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Issuance of Common Stock Net proceeds from at-the-market sales Proceeds from Stock Options Exercised Proceeds from exercise of stock options Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash and cash equivalents - end of period Cash and cash equivalents - beginning of period Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest Nature of the Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Nature of the Business Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies No definition available. License Agreement The entire disclosure for licensing agreements. License Agreement [Text Block] License Agreement Not available. Collaboration Agreement Collaborative Arrangement Disclosure [Text Block] Collaboration Agreement Marketable Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Marketable Securities Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Leases Lessee, Operating Leases [Text Block] Leases Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Common Stock. The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to common stock. Common Stock [Text Block] Common Stock Segment Information Segment Reporting Disclosure [Text Block] Segment Information Net Loss per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Net Loss per Share Attributable to Common Stockholders Income Taxes Income Tax Disclosure [Text Block] Income Taxes Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Basis of Accounting, Policy [Policy Text Block] Basis of Presentation and Unaudited Financial Information Disclosure of accounting policy for going concern. Going Concern Policy [Policy Text Block] Liquidity and Going Concern Use of Estimates, Policy [Policy Text Block] Use of Estimates Disclosure of accounting policy pertaining to new accounting pronouncement that has been issued but not yet adopted. Description of New Accounting Pronouncements Not yet Adopted [Policy Text Block] Recently Issued Accounting Pronouncements Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Schedule of marketable securities Tabular disclosure of the maturities of available-for-sale securities from cost basis to fair value. Schedule Of Available For Sale Securities Maturities Table Text Block Schedule of available-for-sale maturities Fair Value, by Balance Sheet Grouping [Table Text Block] Summary of fair value of the Company's financial assets Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of future minimum lease payments under non-cancellable leases Share-Based Payment Arrangement, Option, Activity [Table Text Block] Summary of stock option activity Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Summary of stock based compensation expense recorded Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of assumptions used in the Black Scholes option pricing model for stock options granted Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of significant expense categories Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of computation of basic and diluted net loss per share attributable to common stockholders Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Summary of shares excluded from the computation of diluted net loss per share Stock, Class of Stock [Table] Class of Stock [Line Items] Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split ratio Number of new stock issued for reverse stock split fractional shares during the period. Stock Issued During Period, Reverse Stock Split Fractional Shares Reverse stock split shares The amount of cash, cash equivalents and marketable securities. Cash And Cash Equivalents and Marketable Securities At Carrying Value Cash, cash equivalents and marketable securities Amount of cash and cash equivalent. Cash Includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Including amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. Cash And Cash Equivalents At Carrying Value Debt Securities Available For Sale Excluding Accrued Interest Current Cash and cash equivalents and marketable securities Disclosure of information about licensing agreements. License Agreement [Table] Scenario [Axis] Scenario [Domain] Represents information pertaining to initiation of the first Phase 1 clinical trial for SIM0505 has started. Upon Initiation Of First Phase 1 Clinical Trial For Sim 0505 [Member] Upon initiation of the first Phase 1 clinical trial for SIM0505 Represents information pertaining to initiation of the first Phase 2 clinical trial for SIM0505 has started. Upon Initiation Of The First Phase 2 Clinical Trial For SIM0505 [Member] Upon initiation of the first Phase 2 clinical trial for SIM0505 Represents information pertaining to achievement of development and regulatory milestone payments of Zaiming Product. Upon Achieving Development And Regulatory Milestone Of Zaiming Product [Member] Upon achieving development and regulatory milestone of Zaiming Product Represents information pertaining to achievement of development and regulatory milestone payments of NextCure Product. Upon Achieving Development And Regulatory Milestone Of NextCure Product [Member] Upon achieving development and regulatory milestone of NextCure Product Represents information pertaining to achievement of commercial sales-based milestone. Upon Achieving Commercial Sales-Based Milestone [Member] Upon achieving commercial sales-based milestone Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Maximum 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. License Agreement [Line Items] License Agreement The amount of consideration for acquiring rights under the licensing agreements. Licensing Agreement, Consideration To Acquire Rights Consideration agreed The amount of cash outflow pertaining to upfront payment under the licensing agreements. Licensing Agreement, Upfront Cash Payment Upfront cash payment The amount payable upon qualifying event under the licensing agreement. Licensing Agreement, Amount Payable Consideration payable Aggregate value of common shares reserved for future issuance. Common Stock, Capital Shares Value Reserved for Future Issuance Value of stock agreed to be issued Amount of expense pertaining to rights under the licensing agreements. Licensing Agreement Expense License agreement expense The amount of milestone payments to be made upon achievement of events. Licensing Agreement, Milestone Payments Milestone payments Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Represents information pertaining to research and development collaboration agreement. Research Collaboration and Co-Development Agreement Research Collaboration and Co-Development Agreement Counterparty Name [Axis] Counterparty Name [Domain] Represents information pertaining to LigaChem Biosciences. LigaChem Biosciences LigaChem Biosciences Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaboration Agreements Represents the maximum number of antibody drug conjugates to be developed. Maximum Number Of Antibody Drug Conjugates To Be Developed Maximum number of antibody drug conjugates to be developed Represents the collaboration agreements cost sharing percentage. Collaboration Agreements Cost Sharing Percentage Collaboration agreements cost sharing percentage (as a percent) The amount of collaborative arrangement reduction in expense. Collaborative Arrangement Reduction In Expense Amount Collaboration arrangement reduction in expenses Amount of additional receivable on finalization of costs sharing terms under collaborative agreements. Collaboration Agreements, Additional Receivable on Finalization of Cost Sharing Terms Additional receivable on collaboration agreements, finalization of cost sharing Debt Securities, Available-for-Sale [Table] Financial Instrument [Axis] Financial Instruments [Domain] Corporate Debt Securities [Member] Corporate bonds Debt Securities, Available-for-Sale [Line Items] Investments Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Amortized Cost Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Gain Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Loss Debt Securities, Available-for-Sale, Excluding Accrued Interest Estimated Fair Value Marketable Securities Debt Securities, Available-for-Sale, Realized Gain Gross realized gains Debt Securities, Available-for-Sale, Realized Loss Gross realized loss Debt Securities, Available-for-Sale, Unrealized Loss Position Fair market value of investments in unrealized loss position Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Unrealized losses in a continuous loss position for more than 12 months Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current Accrued interest receivable Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current, Statement of Financial Position [Extensible Enumeration] Available-for-Sale Securities, Debt Maturities [Abstract] Cost Maturities: Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Within 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Total investments available for sale Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Fair Value Maturities: Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Within 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Total investments available for sale Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Portion at Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Fair Value Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Quoted Prices in Active Markets (Level 1) Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Money Market Funds [Member] Money market funds (cash equivalents) Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Fair value of the Company's financial assets Cash and Cash Equivalents, Fair Value Disclosure Money market funds (cash equivalents) 1 Marketable Securities And Cash Equivalents Total financial assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Assets transferred into level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Assets transferred out of level 3 Lessee, Operating Lease, Renewal Term Lease extension period Lessee, Operating Lease, Existence of Option to Extend [true false] Operating Lease, Expense Operating lease expense Operating Lease, Payments Operating cash flows used for operating leases Operating Lease, Weighted Average Remaining Lease Term Weighted=average remaining lease term Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate (as a percent) Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Future minimum lease payments Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four 2030 Lessee, Operating Lease, Liability, to be Paid Total future minimum payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: present value discount Operating Lease, Liability Present value of lease liabilities Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Represents information pertaining to Omnibus Incentive 2019 Plan. Omnibus Incentive Plan Omnibus Incentive Plan Represents information pertaining to 2015 omnibus incentive plan and the information pertaining to 2019 Employee Stock Purchase Plan. 2015 Plan and 2019 Employee Stock Purchase Plan 2015 Plan and 2019 Employee Stock Purchase Plan Represents information pertaining to 2019 Employee Stock Purchase Plan. 2019 Employee Stock Purchase Plan 2019 Employee Stock Purchase Plan Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Stock Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Total number of shares of common stock that may be issued The increase in shares available for issuance as a percentage of number of shares of the company's common stock outstanding on December 31st of the preceding calendar year. Share Based Compensation Arrangement, Increase In Shares For Issuance As A Percentage Of Number Of Common Stock Outstanding Annual increase in number of share reserved for issuance (as percent) Common Stock, Capital Shares Reserved for Future Issuance Number of shares reserved for issuance under the plan Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting period Period which an employee's right to exercise an award is no longer available. Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Period Expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Number of shares issued Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Outstanding at the end (in shares) Outstanding at the beginning (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Forfeitures (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Exercisable at the end (in shares) 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, Outstanding, Weighted Average Exercise Price Outstanding at the end (in dollars per share) Outstanding at the beginning (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Exercisable at the end (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Weighted Average Remaining Contractual Life (Years) And Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Exercisable at the end (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Outstanding at the end (in dollars) Outstanding at the beginning (in dollars) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Exercisable at the end (in dollars) 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 per share of stock options granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Aggregate grant date fair value Share-Based Payment Arrangement, Additional Disclosure [Abstract] Share Based Compensation Expense Not Recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Compensation expense recognition period Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Domain] Research and Development Expense [Member] Research and development General and Administrative Expense [Member] General and administrative Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Stock based compensation expense Share-Based Payment Arrangement, Expense Total stock-based compensation expense Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Fair value assumptions Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average 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 Expected dividend yield Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Represents information pertaining to pre-funded warrants. Pre-Funded Warrants [Member] Pre-Funded Warrants Represents information pertaining to the Wainwright ATM Agreement. Wainwright ATM Agreement [Member] Wainwright ATM Agreement Subsidiary, Sale of Stock [Line Items] Common Stock Shares Issued, Price Per Share purchase price, per share Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of warrants purchase Purchase price of each warrant issued under securities purchase agreement. Purchase Price Per Warrant Purchase price for warrant Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price of warrants Class of Warrant or Right, Outstanding Remaining outstanding balance of pre-funded warrants Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Information Number of Operating Segments Number of operating segment Number of Reportable Segments Number of reporting segment Segments [Axis] Segments [Domain] Represents the information pertaining to single reporting segment. Single Reporting Segment [Member] Single reporting segment Research and Development Expense [Abstract] Research and development expenses Amount of expense for research and development, relating to employee costs. Research and Development Expense, Employee Costs Employee costs Amount of expense for research and development, relating to clinical product candidates. Research and Development Expense, Clinical Product Candidates Clinical product candidates Amount of expense for research and development, relating to non-clinical product candidates. Research and Development Expense, Nonclinical Product Candidates Nonclincal product candidates Amount of expense for research and development, relating to depreciation. Research and Development Expense, Depreciation Depreciation and amortization Other Research and Development Expense Other R&D General and Administrative Expense [Abstract] General and administrative expenses The expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, relating to employee costs. General and Administrative Expense, Employee Costs Employee costs The expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, relating to professional services. General and Administrative Expense, Professional Services Professional services The expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, relating to insurance services. General and Administrative Expense, Insurance Insurance Other General and Administrative Expense Other G&A Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Net Loss Per Share Attributable to Common Stockholders Earnings Per Share Reconciliation [Abstract] Net loss (Numerator): Weighted Average Number of Shares Outstanding, Diluted [Abstract] Shares (Denominator): Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of diluted net loss per share Income Tax Expense (Benefit) Provision or benefit from income taxes