Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Trading Symbol Entity Shell Company Entity Emerging Growth Company Entity Ex Transition Period Entity Small Business Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Series A Redeemable convertible Preferred Stock [Member] Series B Redeemable convertible Preferred Stock [Member] Series C Redeemable convertible Preferred Stock [Member] Statement [Line Items] Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and cash equivalents, at carrying value Tax Credit and Other Receivables Tax credit and other receivables It represents Tax credit and other receivables. Prepaid Expense, Current Prepaid expenses Prepaid expense Assets, Current Total current assets Operating Lease, Right-of-Use Asset Operating lease right-of-use asset Operating lease right-of-use asset Security Deposit Security deposit Property, Plant and Equipment, Net Property, equipment and leasehold improvements, net Assets Total assets Deferred Offering Costs Deferred offering costs Liabilities and Equity [Abstract] Liabilities, redeemable convertible preferred stock, and stockholders' deficit Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total Accrued expenses Operating Lease, Liability, Current Operating lease liability - current portion Operating lease liabilities, current portion Liabilities, Current Total current liabilities Loan Success Fee Obligation for loan success fee It Represents for Obligation of Loan Success Fee. Series C Redeemable Convertible Preferred Stock Liability Series C redeemable convertible preferred stock liability It Represents Series C Redeemable Convertible Preferred Stock Liability. Operating Lease, Liability, Noncurrent Operating lease liability - long term portion Operating lease liabilities, long term portion Commitments and Contingencies Commitments and contingencies (Note 13) Temporary Equity, Carrying Amount, Attributable to Parent Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity (deficit): Common Stock, Value, Issued Common stock: $0.001 par value; 101,929,904 shares authorized at December 31, 2018 and March 31, 2019 (unaudited), respectively, and 438,600 and 446,494 shares issued and outstanding at December 31, 2018 and March 31, 2019 (unaudited), respectively. Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Retained earnings accumulated deficit Stockholders' Equity Attributable to Parent Total stockholders' deficit Beginning Balance Ending Balance Liabilities and Equity Total liabilities, redeemable convertible preferred stock and stockholders' deficit Temporary Equity, Liquidation Preference Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Common Stock, Par or Stated Value Per Share Common stock, par or stated value per share Temporary Equity, Shares Authorized Convertible preferred stock Temporary Equity, Shares Issued Temporary Equity, Shares Outstanding Income Statement [Abstract] Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Change In Fair value of Obligation For Loan Success Fee Change in fair value of obligation for loan success fee Amount of gain (loss) from the increase (decrease) in fair value of obligation for loan success fee. Interest Income (Expense), Nonoperating, Net Interest income Interest Expense Interest expense Total Interest Expense Interest expense Nonoperating Income (Expense) Total other income (expense), net Change in fair value of Redeemable Convertible Preferred Stock Liability Change in fair value of Series C redeemable convertible preferred stock liability Changes in fair value of Series C redeemable convertible preferred stock liability It represents the amount of Change in fair value of Redeemable Convertible Preferred Stock Liablility. Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before income tax benefit Income Tax Expense (Benefit) Income tax benefit Net Income (Loss) Attributable to Parent Net loss Net loss Net income loss Temporary Equity, Accretion to Redemption Value, Adjustment Accretion of redeemable convertible preferred stock Plus: Dividends accrued on redeemable convertible preferred stock Redeemable Preferred Stock Dividends Dividends accrued on redeemable convertible preferred stock Plus: Accretion of redeemable convertible preferred stock Net Income (Loss) Available to Common Stockholders, Basic Adjusted net loss attributable to common stockholders Adjusted net loss attributable to common stockholders Earnings Per Share, Basic and Diluted Basic and diluted net loss per common share outstanding Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average common shares used in net loss per share attributable to common stockholders, basic and diluted Equity [Abstract] Shares, Outstanding Ending Balance (in shares) Beginning Balance (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Issuance of common stock from exercise of stock options (in shares) Exercised Share based compensation options exercise in the period Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock from exercise of stock options Issuance Of Redeemable Convertible Preferred Stock Net Of Issuance Cost Shares Issuance of Series C redeemable convertible preferred stock, net of issuance costs (in shares) The number of Issuance Redeemable Convertible Preferred Stock shares. Issuance Of Redeemable Convertible Preferred Stock Net Of Issuance Cost Issuance of Series C redeemable convertible preferred stock, net of issuance costs The value of Redeemable convertible preferred stock. Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Dividends accrued on redeemable convertible preferred stock Accretion Amortization Of Premium Discount On Issuance Of Redeemable Convertible Preferred Stock Accretion (amortization) of premium (discount) on issuance of redeemable convertible preferred stock Accretion (amortization) of premium (discount) on issuance of redeemable convertible preferred stock. Accretion of Discount on Investor RightsObligation Accretion of discount on investor rights/obligation Accretion of discount on Investor rights. Adjustment for Excess of fair value Liquidation Redeemable convertible preferred stock Adjustment for excess (shortfall) of fair value over liquidation value of redeemable convertible preferred stock Adjustment for Excess of Fair value Liquidation. Accretion of Issuance costs on Redeemable convertible preferred stock Accretion of issuance costs on redeemable convertible preferred stock Issuance costs on Redeemable Convertible Preferred stock Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Statement of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation Change in fair value Loan Success Fee Changes in fair value of obligation for loan success fee It represents the amount of Change in fair value Loan Success Fee. Amortization of Debt Issuance Costs and Discounts Accretion/accrual of term loan discounts and debt issuance costs Share-based Compensation Stock-based compensation Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Receivables Increase (Decrease) in Prepaid Expense Prepaid expenses Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Security Deposits Security deposit Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Investing activities Payments to Acquire Property, Plant, and Equipment Acquisitions of property, equipment and leasehold improvements Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Financing activities Repayments of Long-term Debt Repayments of term loan Proceeds from Stock Options Exercised Proceeds from exercises of stock options Proceeds from Issuance of Convertible Preferred Stock Proceeds from sale of Series C redeemable convertible preferred stock, net of issuance costs Payments for Deferred offering costs Deferred offering costs The cash outflow related to deferred offering costs. Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net cash increase (decrease) Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information Interest Paid, Excluding Capitalized Interest, Operating Activities Interest paid Income tax credits Exchanged for Cash State research tax credits exchanged for cash It represents state research tax credits exchanged for cash. Noncash Investing and Financing Items [Abstract] Supplemental disclosure of non-cash financing activities Accretion on redeemable Convertible preferred stock Accretion on redeemable convertible preferred stock It represents Accretion on redeemable Convertible preferred stock. Dividend Accrued on Redeemable convertible preferred stock Dividends accrued on redeemable convertible preferred stock It represents Dividend Accrued on Redeemable convertible preferred stock. Noncash Deferred Offering Cost Deferred offering costs The amount of deferred offering costs that were incurred during a noncash or partial noncash transaction. Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operations [Text Block] Nature of the Business Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Prepaid Expense, Current [Abstract] Prepaid Expenses [Text Block] Prepaid Expenses Represents entire disclosure for prepaid expenses. Leases [Abstract] Lessee, Operating Leases [Text Block] Leases Payables and Accruals [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses Debt Disclosure [Abstract] Debt Disclosure [Text Block] Term Loan Payable Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common Stock Common Stock [Text Block] Common Stock The entire disclosure for the common stock details. Disclosure of Redeemable Convertible Preferred Stock [Abstract] Disclosure of Redeemable Convertible Preferred Stock Temporary Equity [Text Block] Redeemable Convertible Preferred Stock Disclosure of Temporary Equity Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Awards Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share Collaborative Arrangement Disclosure [Text Block] Collaborative and Licensing Agreements Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Interim Financial Information [Policy Text Block] Unaudited Interim Financial Information Disclosure of accounting policy for unaudited interim financial information. Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Deferred Charges, Policy [Policy Text Block] Deferred Offering Costs Earnings Per Share, Policy [Policy Text Block] Basic and Diluted Net Income (Loss) per Common Share New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Financial Liabilities Measured on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Fair Value, Financial Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Schedule Of Prepaid Assets [Table Text Block] Schedule Of Prepaid Expenses Tabular disclosure of the carrying amounts of other prepaid assets. Schedule Of Balance Sheet Information Related To Operating Leases [Table Text Block] Schedule Of Balance Sheet Information Related To Operating Leases Tabular disclosure of balance sheet information related to operating leases. Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Future minimum lease payments for non-cancellable operating leases Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses Schedule Of Components Of Interest Expense Of Term Loan [Table Text Block] Schedule of Components of Interest Expense of Term Loan Tabular disclosure of components included on interest expense. Schedule Of Common Stock Reserved For Future Issuance [Table Text Block] Schedule of Common Stock Reserved for Future Issuance Table depicting the shares which are to be issued in the future when the preferred stock is converted Schedule of Redeemable Convertible Preferred Stock [Table Text Block] Schedule of Redeemable Convertible Preferred Stock The Disclosure of Schedule of Redeemable Convertible Preferred Stock Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Stock-based Compensation Expenses Recognized Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Stockholders' Equity, Reverse Stock Split Stockholders equity reverse stock split Share Price Share price Proceeds from Issuance Initial Public Offering Proceeds from public offering Underwriting Discounts and Commissions Underwriting discounts and commissions Represents underwriters discounts and commissions. Stock Issuance Costs Stock issuance costs The amount represents stock issuance cost. Stock Issued During Period, Shares, New Issues Sale of stock during the period Stock issued during period, shares, new issues Proceeds from Issuance of Common Stock Proceeds from issue of shares Legal Entity [Axis] Entity [Domain] Sale of Stock [Axis] Sale of Stock [Domain] IPO [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring [Table] Fair Value Measurements, Recurring [Table] Series C Preferred Stock [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Liabilities Measured on Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] Financial Liabilities Fair Value Disclosure [Abstract] Financial liabilities Convertible Preferred Stock Liability Series C redeemable convertible preferred stock liability Represents liability portion (i.e other than equity portion) of redeemable convertible preferred stock. Obligations Fee Fair Value Disclosure Obligation for loan success fee Represents fair value of obligation fee. Financial Liabilities Fair Value Disclosure Financial liabilities Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Balance at beginning of year Ending balance Fair Value, Liabilities Measured on Recurring Basis, Change in Unrealized Gain (Loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Net settlements Settlements of fair value liability Liability Class [Axis] Fair Value by Liability Class [Domain] Obligations [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Capitalized Deferred Offering Costs Deferred offering costs capitalized Represents portion of deferred costs capitalized. Operating Lease, Liability Operating lease, liability Total operating lease liabilities Total operating lease liabilities Series C Convertible Preferred Stock [Member] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Range [Axis] Range [Domain] Prepaid Research And Development Expenses Prepaid R&D payments Amount of asset related to consideration paid in advance for research and development that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Prepaid Insurance Prepaid corporate insurance Other Prepaid Expense, Current Other Operating Lease Assets [Abstract] Assets: XXX_Operating Lease Assets [Abstract] Operating Lease Liabilities [Abstract] Liabilities: XXX_Operating Lease Liabilities [Abstract] Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years 2023 Operating Leases, Future Minimum Payments Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed discount rate Area of Land Leased spaced area Lessee, Operating Lease, Term of Contract Operating lease term Operating Leases, Rent Expense, Net Operating lease rent expense Lessee, Operating Lease, Option to Terminate Operating lease option to terminate Operating Lease, Weighted Average Discount Rate, Percent Operating lease, weighted average discount rate, percent Operating Lease, Weighted Average Remaining Lease Term Remaining terms ranging Operating Lease, Payments Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Building [Member] Office Equipment [Member] Minimum [Member] Maximum [Member] Accrued Research Liabilities Accrued research projects Carrying value of accrued research liabilities settled within operating liabilities. Accrued Professional Fees, Current Accrued professional fees Accrued Employee Benefits, Current Accrued compensation and benefits Other Accrued Liabilities, Current Other Amortization of Debt Issuance Costs Amortization of financing costs Interest Expense payments Interest payments The amount represents interest expense that was paid Accrual Of Final And Amendment Fees Accrual of final and amendment fees Represents accrued loan amendment fee. Obligation for loan discount success fee Accretion of success fee Represents for obligation loan discount of success fee Term Loan [Member] Loan Success Fee Percentage Loan success fee percentage It represents percentage of loan success fee. Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, maximum borrowing capacity Payment Of Final Fee Payment of final fee Represents payments of final fee on term loan. Payment Of Amendment Fee Payment of amendment fee Represents payments of amendment fee on term loan. Loan Success Fee payable Loan success fee payable It Represents for Obligation of Loan Success Fee Loan Success Fee Payable Fairvalue Loan success fee payable fairvalue It represents fair value of loan success fee payable. Non cash Charge Non cash charge It represents the change in fair value of charged to loan success fee payable. Loan Discount Percentage Loan discount percentage It represents percentage of discount on loan. Weighted Estimated Time Of Exit Event Weighted estimated time of exit event Weighted estimated time of exit event in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Percentage Of Several Potential Exit Events Percentage of several potential exit events It represents the percentage of several potential exit events. Discount On Term Loan Discount on term loan It represents term loan discount. Term loan A [Member] XXX_Term loan A member Tranche [Axis] xxx_Tranche Axis Tranche [Domain] xxx_Tranche Axis Balance Sheet Location [Axis] Balance Sheet Location [Domain] Income Statement Location [Axis] Income Statement Location [Domain] Common Stock Reserved For Issuances In The Future Upon Conversion Of Preferred Stock [Line Items] Common Stock, Capital Shares Reserved for Future Issuance Common stock, capital shares reserved for future issuance Common Shares Issuable Upon Conversion Plan Name [Axis] Plan Name [Domain] Two Thousand And Twelve Stock Option And Grant Plan [Member] 2012 Stock Option And Grant Plan [Member] Employee Stock Ownership Plan (ESOP) Name [Axis] Employee Stock Ownership Plan (ESOP), Plan [Domain] Two Thousand And Twelve Stock Incentive Plan [Member] 2012 Stock Incentive Plan [Member] Two Thousand And Twelve Stock Incentive Plan Series B Redeemable convertible Preferred Stock Member [Member] Series C Redeemable convertible Preferred Stock Member [Member] Preferred Stock, Shares Authorized Preferred Shares Authorized Preferred Stock, Shares Outstanding Preferred Shares Outstanding Preferred Stock, Value, Outstanding Carrying Value Preferred stock, value, outstanding Preferred Stock, Liquidation Preference, Value Liquidation Preference Preferred Stock, Shares Issued Preferred Shares Issued Redeemable Convertible Preferred Stock [Member] Series A Redeemable convertible Preferred Stock Member [Member] Series A Preferred Stock [Member] Series B Preferred Stock [Member] Preferred Stock, Dividend Rate, Percentage Dividend rate, percentage Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Adjustments to additional paid in capital, stock issued, issuance costs Proceeds from Issuance of Redeemable Convertible Preferred Stock Proceeds from issuance of redeemable convertible preferred stock Convertible Notes Payable Convertible notes payable Debt Instrument, Convertible, Conversion Price Debt instrument, convertible, conversion price Convertible Preferred Stock, Shares Issued upon Conversion Convertible preferred stock, shares issued upon conversion Convertible Preferred Stock, Settlement Terms Convertible preferred stock, settlement terms Convertible Preferred Stock Additional Shares Authorized For Issuance Convertible preferred stock additional shares authorized for issuance Represents Convertible Preferred Stock Additional Shares Authorized For Issuance. Proceeds From Issuance Of Redeemable Convertible PreferredStock Before Issuance Cost Proceeds from issuance of redeemable convertible preferred stock before issuance cost Represents Proceeds From Issuance Of Redeemable Convertible PreferredStock Before Issuance Cost. Preferred Stock, Discount on Shares Preferred stock, discount on shares Preferred Stock Redemption Period Preferred stock redemption period Represents Preferred Stock Redemption Period. Amortization Of Stock Issuance Costs Amortization of stock issuance costs Represents Amortization Of Stock Issuance Costs. Preferred Stock Redemption Premium Preferred stock redemption premium Preferred Stock, Accretion of Redemption Discount Preferred stock, accretion of redemption discount Debt Instrument, Face Amount Debt instrument, face amount Accrued Interest On Debt Accrued interest on debt Represents Accrued Interest On Debt. Debt Instrument, Convertible, Number of Equity Instruments Debt instrument, convertible, number of equity instruments Preferred Stock Value Outstanding At Fair Value Preferred stock value outstanding at fair value Represents Preferred Stock Value Outstanding At Fair Value. Dividends Payable Dividends payable Percentage Of Preferred Shareholders Remaining Outstanding Percentage of preferred shareholders remaining outstanding Represents Percentage Of Preferred Shareholders Remaining Outstanding. Increase in Carrying Amount of Redeemable Preferred Stock Increase in carrying amount of redeemable preferred stock Accretion Of Preferred Stock Reversed Accretion of preferred stock reversed Represents Accretion Of Preferred Stock Reversed. Number Of Preferred Stock Shareholders Number of preferred stock shareholders Number Of Preferred Stock Shareholders Payments of Financing Costs Payments of financing costs Accretion of financing costs Represents Accretion of financing costs Proceeds from series A preferred stock financing Representsinflow of stock financing costs Accretion of investor rights The disclosure of Accretion of investor rights Percentage conversion of preferred stock outstanding Represents of share holders conversion of preferred stock outstanding Fair Value Adjustment On Preferred Stock Value Fair value adjustment on preferred stock value Repesents fair value adjusment on preferred stock value. Dividends, Preferred Stock Dividends, preferred stock Stock Issued During Period Shares Additional Issues Stock issued during period shares additional issues Disclosure of stock issued during period shares additional issues. Shares Issued, Price Per Share Shares issued, price per share Stock Issued During Period, Value, New Issues Stock issued during period, value, new issues Preferred stock Share Price at Fair Value Fair value of preferred stock share price Fair value of preferred stock share price. Preferred Stock Risk free Rate Risk free rate of preferred stock Risk free rate of preferred stock. Preferred Stock Volatility Rate Volatility rate of preferred stock Volatility rate of preferred stock. Preferred Stock Weighted Estimated Maturity Term Weighted estimate of time to liquidity event of preferred stock Weighted estimate of time to liquidity event of preferred stock. Convertible Debt [Member] Preferred Stock Vesting [Axis] Preferred Stock Vesting Preferred Stock Vesting [Domain] Preferred Stock Vesting Tranche One [Member] Tranche One Tranche Two [Member] Tranche Two Tranche Third [Member] Tranche Third Restatement [Axis] Restatement [Domain] Restatement Adjustment [Member] Agreement Type [Axis] Agreement Type Agreement Type [Domain] Agreement Type Series A Extension Purchase Agreement [Member] Series A Extension Purchase Agreement Series B Purchase Agreement [Member] Series B Purchase Agreement Series B Second Closing [Member] Series B Second Closing Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Option Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding, Beginning Outstanding, Ending Share based compensation options to purchase no of common stock Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted Share based compensation options grants in the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited Share based compensation options forfeited in the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Options unvested 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, Beginning Outstanding, Ending Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Forfeited Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Expired Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Options vested Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price Options unvested Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted Average Contractual Term Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Contractual Term, Outstanding Sharebased Compensation Arrangement By Share based Payment Award Options Vested Weighted Average Contractual Term Weighted Average Contractual Term, Options vested Weighted average contractual term for option awards vested, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days Sharebased Compensation Arrangement By Share based Payment Award Options Unvested Weighted Average Contractual Term Weighted Average Contractual Term, Options unvested Weighted average contractual term for option awards unvested, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Outstanding Share Based Compensation Arrangement By Share based Payment Award Options Unvested In Period Fair Value Aggregate Intrinsic Value, Options unvested Fair value of options unvested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Fair Value Aggregate Intrinsic Value, Options vested Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Research and Development Expense [Member] General and Administrative Expense [Member] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share based compensation shares authorized Share Based Compensation Grant Period Share based compensation grant period Share based compensation grant period. Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share based compensation vesting period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Fair value of stock options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Fair value of stock options exercised Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unvested share based awards unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Unvested share based awards unrecognized compensation cost expected recognized period Two Thousand Twelve Stock Incentive Plan [Member] 2012 Stock Incentive Plan [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Payment For Upfront License Fee Upfront license fee The amount represents payment of upfront license fee. Milestone Payment Liability Milestone payment Milestone payment. Royalty Terms And Conditions Royalty terms Royalty terms. Endo Pharmaceuticals Inc [Member] Rutgers [Member] MentiNova Inc [Member] Project [Axis] Project [Domain] Completion Of Stage One [Member] Completion Of Stage Two [Member]