Entity Central Index Key
Document And Entity Information [Abstract]
Document And Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Current Fiscal Year End Date
Current Fiscal Year End Date
Trading Symbol
Trading Symbol
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Fiscal Year Focus
In-process research and development
Statement Of Financial Position [Abstract]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Property and equipment, net
Property Plant And Equipment Net
Other assets:
Other Assets [Abstract]
Goodwill
Goodwill
In-process research and development
Research Development In Process
Other non-current assets
Other Assets Noncurrent
Total assets
Assets
Liabilities and Stockholders’ Equity
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued expenses
Accrued Liabilities Current
Other current liabilities
Other Liabilities Current
Total current liabilities
Liabilities Current
Other non-current liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and Contingencies (Note 6)
Commitments And Contingencies
Stockholders’ equity:
Stockholders Equity [Abstract]
Preferred stock, $0.0001 par value; authorized 10,000,000 shares; none issued and outstanding
Preferred Stock Value
Common stock, $0.0001 par value; authorized 150,000,000 shares; 10,087,363 shares issued and outstanding at March 31, 2019 and December 31, 2018
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders’ equity
Stockholders Equity
Total liabilities and stockholders’ equity
Liabilities And Stockholders Equity
Preferred stock, par value
Preferred Stock Par Or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock Shares Authorized
Preferred stock, shares issued
Preferred Stock Shares Issued
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Common stock, par value
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Income Statement [Abstract]
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research And Development Expense
General and administrative
General And Administrative Expense
Total operating expenses
Operating Expenses
Loss from operations
Operating Income Loss
Other income:
Other Nonoperating Income Expense [Abstract]
Interest income
Investment Income Interest
Foreign currency transaction gain (loss)
Foreign Currency Transaction Gain Loss Before Tax
Total other income, net
Other Nonoperating Income Expense
Net loss
Net Income Loss
Net loss per share - basic and diluted
Earnings Per Share Basic And Diluted
Weighted average common shares outstanding - basic and diluted
Weighted Average Number Of Share Outstanding Basic And Diluted
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-in Capital
Additional Paid In Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Statement [Line Items]
Statement [Line Items]
Beginning balance
Beginning balance, shares
Costs associated with commonstock issuance
Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Net loss
Ending balance
Ending balance, shares
Statement Of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Net loss
Profit Loss
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Stock-based compensation
Share Based Compensation
Depreciation
Depreciation
Changes in operating assets and liabilities
Increase Decrease In Operating Capital [Abstract]
Prepaid expenses and other current assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses
Increase Decrease In Accrued Liabilities
Other non-current assets
Increase Decrease In Other Noncurrent Assets
Net cash used in operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Purchase of property and equipment
Payments To Acquire Property Plant And Equipment
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Costs associated with the issuance of common stock
Payments Of Stock Issuance Costs
Net cash used in financing activities
Net Cash Provided By Used In Financing Activities
Net decrease in cash and cash equivalents
Cash And Cash Equivalents Period Increase Decrease
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Nature of Operations and Basis of Presentation
Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block]
Accounting Policies [Abstract]
Significant Accounting Polices
Significant Accounting Policies [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment
Property Plant And Equipment Disclosure [Text Block]
Accounts Payable And Accrued Liabilities Current [Abstract]
Accrued Expenses
Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block]
Leases [Abstract]
Leases
Lessee Operating Leases [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Equity [Abstract]
Stockholders' Equity
Stockholders Equity Note Disclosure [Text Block]
Earnings Per Share [Abstract]
Net Loss Per Share
Earnings Per Share [Text Block]
Leases
Lessee Leases Policy [Text Block]
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Use of Estimates
Use Of Estimates
Income Taxes
Income Tax Policy [Text Block]
Basic and Diluted Net Loss per Common Share
Earnings Per Share Policy [Text Block]
Recently Adopted Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Schedule of Estimate Fair Value of Stock Options Granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Table [Text Block]
Schedule of Property and Equipment
Property Plant And Equipment [Text Block]
Schedule of Accrued Expenses
Schedule Of Accounts Payable And Accrued Liabilities Table [Text Block]
Reconciliation of Undiscounted Lease Liabilities to Total Lease Liabilities
Lessee Operating Lease Liability Maturity Table [Text Block]
Schedule of Future Minimum Lease Payments
Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block]
Summary of Option Activity under 2018 Plan, 2013 Plan and 2010 Plan
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Summary of Restricted Stock Units Activity under 2018 Plan
Schedule Of Nonvested Restricted Stock Units Activity Table [Text Block]
Summary of Stock-Based Compensation Expense
Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block]
Schedule of Number of Shares of Common Stock Underlying Potentially Dilutive Securities
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Organization, consolidation and presentation of financial statement.
Organization, consolidation and presentation of financial statement.
Organization Consolidation And Presentation Of Financial Statement [Table]
Organization Consolidation And Presentation Of Financial Statement [Table]
Business Acquisition
Business Acquisition [Axis]
Business Acquisition, Acquiree
Business Acquisition Acquiree [Domain]
Merger of Private Acer with Opexa Merger Sub incorporation.
Merger of Private Acer with Opexa Merger Sub Incorporation
Merger Of Private Acer With Opexa Merger Sub Incorporation [Member]
Delaware reincorporation and subsidiary merger.
Delaware Reincorporation and Subsidiary Merger
Delaware Reincorporation And Subsidiary Merger [Member]
Organization Consolidation and Presentation of Financial Statement [Line Items]
Organization Consolidation And Presentation Of Financial Statement [Line Items]
Business combination date of completion
Business Acquisition Effective Date Of Acquisition1
Business combination date of agreement
Business Acquisition Date Of Acquisition Agreement1
Reverse stock split ratio
Stockholders Equity Note Stock Split Conversion Ratio1
Date of reincorporation.
Merger incorporation description
Business Acquisition Description Of Acquired Entity
Date Of Reincorporation
Date Of Reincorporation
Risk-free interest rate, minimum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
Risk-free interest rate, maximum
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
Expected life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Dividend rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Income tax expense (benefit)
Income Tax Expense Benefit
Operating lease liability
Operating Lease Liability
Operating lease right of use asset
Operating Lease Right Of Use Asset
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Computer Hardware and Software
Computer Equipment [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Furniture and Fixtures
Furniture And Fixtures [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Subtotal property and equipment, gross
Property Plant And Equipment Gross
Less accumulated depreciation
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Accrued pre-commercial costs current.
Accrued contract manufacturing costs current.
Accrued contract research and regulatory consulting.
Accrued accounting, audit, and tax fees current.
Accrued legal fees current.
Accrued miscellaneous expenses current.
Accrued license fees current.
Accrued wages and accrued payroll taxes current.
Accrued pre-commercial costs
Accrued Pre Commercial Costs Current
Accrued contract manufacturing
Accrued Contract Manufacturing Costs Current
Accrued consulting
Accrued Professional Fees Current
Accrued contract research and regulatory consulting
Accrued Contract Research And Regulatory Consulting Current
Accrued accounting, audit, and tax fees
Accrued Accounting Audit And Tax Fees Current
Accrued legal
Accrued Legal Fees Current
Accrued miscellaneous expenses
Accrued Miscellaneous Expenses Current
Accrued license fees
Accrued License Fees Current
Accrued payroll and payroll taxes
Accrued Wages And Accrued Payroll Taxes Current
Total accrued expenses
Lease commencement date.
Lease agreement date.
Lessee Lease Description [Table]
Lessee Lease Description [Table]
Type of Arrangement and Non-arrangement Transactions
Type Of Arrangement [Axis]
Arrangements and Non-arrangement Transactions
Arrangements And Nonarrangement Transactions [Member]
Newton lease.
Newton Lease
Newton Lease [Member]
Amended Newton Lease
Amended Newton Lease [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Newton, Massachusetts
MASSACHUSETTS
Bend lease.
Bend Lease
Bend Lease [Member]
Oregon
OREGON
Lessee Lease Description [Line Items]
Lessee Lease Description [Line Items]
Lease agreement date
Lease Agreement Date
Lease commencement date
Lease Commencement Date
Square feet of office space leased
Area Of Land
Lease expiration date
Lease Expiration Date1
Maximum additional periods of option to extend the bend term.
Option to extend bend term for duration period.
Maximum additional periods of option to extend the bend term
Maximum Additional Periods Of Option To Extend Bend Term
Option to extend bend term for duration period
Option To Extend Bend Term For Duration Period
Operating lease liability, current
Operating Lease Liability Current
Operating lease liability, non-current
Operating Lease Liability Noncurrent
Operating lease discount rate
Lessee Operating Lease Discount Rate
Operating lease, weighted average remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Operating lease, cash payment made
Operating Lease Payments
Operating lease expense
Operating Lease Expense
Undiscounted lease liabilities for years ending December 31,:
Operating Lease Liabilities Payments Due [Abstract]
2019 (remaining)
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
2020
Lessee Operating Lease Liability Payments Due Year Two
2021
Lessee Operating Lease Liability Payments Due Year Three
2022
Lessee Operating Lease Liability Payments Due Year Four
Total undiscounted lease liabilities
Lessee Operating Lease Liability Payments Due
Less effects of discounting
Lessee Operating Lease Liability Undiscounted Excess Amount
Total lease liabilities
Total lease liabilities
Minimum future lease commitment
Operating Leases Future Minimum Payments Due
2019
Operating Leases Future Minimum Payments Due Current
2020
Operating Leases Future Minimum Payments Due In Two Years
2021
Operating Leases Future Minimum Payments Due In Three Years
Total
Agreement entered month and year.
Commitments and contingencies.
Commitments and contingencies.
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Counterparty Name
Counterparty Name [Axis]
Counterparty Name
Repurchase Agreement Counterparty Name [Domain]
Assistance Publique – Hôpitaux de Paris.
Assistance Publique – Hôpitaux de Paris (“AP-HP”)
Assistance Publique Hopitaux De Paris [Member]
Legal Entity
Legal Entity [Axis]
Entity
Entity [Domain]
Private Acer.
Private Acer
Private Acer [Member]
License Agreement
Licensing Agreements [Member]
Litigation Status
Litigation Status [Axis]
Litigation Status
Litigation Status [Domain]
Pending Litigation
Pending Litigation [Member]
Litigation Case
Litigation Case [Axis]
Litigation Case
Litigation Case Type [Domain]
Piper Jaffray & Co. v. Acer Therapeutics Inc..
Piper Jaffray & Co.
Piper Jaffray Co V Acer Therapeutics Inc [Member]
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Agreement entered date
Agreement Entered Month And Year
Number of patent applications.
Number of patent applications
Number Of Patent Applications
Loss contingency closing date.
Financing aggregate consideration.
Reimbursable expense.
Loss contingency payable fees
Loss Contingency Damages Sought Value
Loss contingency closing date
Loss Contingency Closing Date
Financing aggregate consideration
Financing Aggregate Consideration
Reimbursement expenses
Reimbursable Expense
Aggregate offering price of common stock issuable under sales agreement.
Stockholders equity.
Stockholders equity.
Stockholders Equity [Table]
Stockholders Equity [Table]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
Over-Allotment Option
Over Allotment Option [Member]
At-the-market facility.
At-the-Market Facility
At Market Facility [Member]
Range
Range [Axis]
Range
Range [Member]
Maximum
Maximum [Member]
Minimum [Member]
Minimum [Member]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand eighteen stock incentive plan.
2018 Stock Incentive Plan
Two Thousand Eighteen Stock Incentive Plan [Member]
Two thousand ten and two thousand thirteen stock incentive plan.
2010 and 2013 Stock Incentive Plan
Two Thousand Ten And Two Thousand Thirteen Stock Incentive Plan [Member]
Title of Individual
Title Of Individual [Axis]
Relationship to Entity
Title Of Individual With Relationship To Entity [Domain]
Executive officers and employees.
Executive Officers and Employees
Executive Officers And Employees [Member]
Vesting
Vesting [Axis]
Vesting
Vesting [Domain]
One-year Anniversary of the Grant Date
Share Based Compensation Award Tranche One [Member]
Quarterly over Remaining Three Years
Share Based Compensation Award Tranche Two [Member]
Two thousand thirteen stock incentive plan.
2013 Stock Incentive Plan
Two Thousand Thirteen Stock Incentive Plan [Member]
2010 Plan.
2010 Stock Incentive Plan
Two Thousand Ten Plan [Member]
Class of Warrant or Right
Class Of Warrant Or Right [Axis]
Class of Warrant or Right
Class Of Warrant Or Right [Domain]
Series J warrants.
Series J Warrants
Series J Warrants [Member]
Series K warrants.
Series K Warrants
Series K Warrants [Member]
Series M warrants.
Series M Warrants
Series M Warrants [Member]
Stockholders Equity [Line Items]
Stockholders Equity [Line Items]
Stock issued during period, shares, new issues
Stock Issued During Period Shares New Issues
Public offering price per share
Sale Of Stock Price Per Share
Proceeds from issuance initial public offering, after deduction underwriting discounts, commissions
Proceeds From Issuance Initial Public Offering
Payments for Underwriting Expense
Payments For Underwriting Expense
Aggregate offering price of common stock
Aggregate Offering Price Of Common Stock Issuable Under Sales Agreement
Number of common stock authorized for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Number of share outstanding
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Share-based compensation arrangement by share-based payment award, description
Share Based Compensation Arrangement By Share Based Payment Award Description
Share-based compensation arrangement by share-based payment award, expiration date
Share Based Compensation Arrangement By Share Based Payment Award Expiration Date
Share-based compensation arrangement by share-based payment award, percentage of outstanding our common stock
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum
Options contractual term
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Share-based compensation arrangement by share-based payment award, stock options vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Share-based compensation arrangement by share-based payment award, Vesting percentageShare-based compensation arrangement by share-based payment award, Vesting percentage
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage
Available for the grant of future awards
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Awards granted under the plan
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward
Number of Shares, Options outstanding at beginning of period
Number of Shares, Options Granted
Number of Shares, Options Cancelled/forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
Number of Shares, Options outstanding at end of period
Number of Shares, Options exercisable at end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Weighted Average Exercise Price, Options
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward
Weighted Average Exercise Price, Options outstanding at beginning of period
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted Average Exercise Price, Options Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted Average Exercise Price, Options Cancelled/forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
Weighted Average Exercise Price, Options outstanding at end of period
Weighted Average Exercise Price, Options exercisable at end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Weighted Average Remaining Contract Term, Options
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract]
Weighted Average Remaining Contractual Term, Options outstanding at beginning of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Weighted Average Remaining Contractual Term, Options exercisable at end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Aggregate Intrinsic Value, Options outstanding at end of period
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Aggregate Intrinsic Value, Options excersiable at end of period
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
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
Award Type [Axis]
Equity Award
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Restricted Stock Units
Restricted Stock Units R S U [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward
Number of Shares, Non-Vested outstanding at beginning of period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Number of Shares, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Number of Shares, Non-Vested outstanding at end of period
Weighted Average Grant Date Fair Value Per Share
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Roll Forward
Weighted Average Grant Date Fair Value Per Share, Non-Vested outstanding at beginning of the period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Non-Vested outstanding at end of the period
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value Roll Forward
Aggregate Intrinsic Value, Non-Vested outstanding at beginning of the period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value
Aggregate Intrinsic Value, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Intrinsic Value
Unrecognized compensation expense
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options
Share based compensation arrangement by share based payment award, Average remaining vesting period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Weighted average grant date fair value of options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Research and Development
Research And Development Expense [Member]
General and Administrative
General And Administrative Expense [Member]
Stock-based compensation
Allocated Share Based Compensation Expense
Stockholders equity warrants or rights expired in period number of underlying shares.
Warants expired for aggregate share of common stock to purrchase
Stockholders Equity Warrants Or Rights Expired In Period Number Of Underlying Shares
Warrants outstanding
Class Of Warrant Or Right Outstanding
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
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Warrants
Warrant [Member]
Options to purchase common stock and unvested, undelivered restricted stock units.
Options to purchase common stock and unvested, undelivered restricted stock units
Options To Purchase Common Stock And Unvested Undelivered 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]
Common stock dilutive securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount