Document And Entity Information [Abstract] Document Type Document Quarterly Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current 1 Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Statement of Financial Position [Abstract] Assets Current assets: Cash and cash equivalents Total Short-term investment securities Sum of the amounts paid in advance for capitalized costs that will be expensed with Research and development. Prepaid research and development Other current assets Assets, Current Total current assets Restricted Cash, Noncurrent Restricted cash Leasehold interest, net Equipment, net Operating Lease, Right-of-Use Asset Right of use asset Goodwill Assets [Default Label] Total assets Liabilities and stockholders' equity Current liabilities: Accounts payable and accrued expenses Other Liabilities, Current Other current liabilities Operating Lease, Liability, Current Lease liability - current portion Lease liability current portion Accrued compensation Liabilities, Current Total current liabilities Deferred revenue, net of current portion Long-term Debt, Excluding Current Maturities Long-term debt Long-term debt non-current Operating Lease, Liability, Noncurrent Lease liability - non-current Lease liability non-current Liabilities Total liabilities Commitments and contingencies. Commitments and contingencies Stockholders' (deficit) equity: Common stock, $0.001 par value per share (150,000,000 shares authorized, 110,209,293 and 109,425,243 shares issued, 110,167,984 and 109,383,934 shares outstanding at March 31, 2020 and December 31, 2019, respectively) Additional paid-in capital Treasury Stock, Value Treasury stock, at cost, 41,309 shares at March 31, 2020 and December 31, 2019 Accumulated deficit Accumulated deficit Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total stockholders' (deficit) equity Liabilities and Equity Total liabilities and stockholders' (deficit) equity Common stock, par value Common stock, par value (in dollars per share) Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common stock, shares outstanding Treasury stock, shares Income Statement [Abstract] License revenue Costs and expenses: Research and development: The aggregate compensation expense related to the grants of stock options and restricted stock that is attributable to research and development expenses during the reporting period. Noncash compensation Other research and development Research and Development Expense Total research and development General and administrative: The aggregate compensation expense related to the grants of stock options and restricted stock that is attributable to general and administrative expenses during the reporting period. Non Cash Compensation General and Administrative Expenses Noncash compensation Other general and administrative General and Administrative Expense Total general and administrative Total costs and expenses Total costs and expenses Operating Income (Loss) Operating loss Other (income) expense: Other (income) expense: Interest Expense Interest expense Other Income Other income Nonoperating Income (Expense) Total other expense, net Net loss Net loss Consolidated net loss Basic and diluted net loss per common share (in dollars per share) Weighted average shares used in computing basic and diluted net loss per common share (in shares) Statement of Stockholders' Equity [Abstract] Statement [Table] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] Retained Earnings [Member] Accumulated Deficit [Member] Statement [Line Items] Shares, Outstanding Balance (in shares) Balance (in shares) Represents the value of stock issued during the period due to the exercise of warrants. Issuance of common stock in connection with exercise of warrants Represents the number of shares of stock issued during the period due to the exercise of warrants. Issuance of common stock in connection with exercise of warrants (in shares) Issuance of restricted stock Issuance of restricted stock (in shares) Debt Conversion, Converted Instrument, Amount Warrants issued with debt financing Forfeiture of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeiture of restricted stock (in shares) Refers to issuance of common stock in at market offering, net of offering costs. Issuance Of Common Stock In At Market Offering Net Of Offering Costs Issuance of common stock in At-the-Market offerings (net of offering costs of $0.2 million) Refers to issuance of common stock in at market offering, in shares. Issuance Of Common Stock In At Market Offering Net Of Offering Costs, Shares Issuance of common stock in At-the-Market offerings (net of offering costs of $0.2 million) (in shares) Compensation in respect of restricted stock granted to employees, directors and consultants Noninterest Expense Offering Cost Accrued offering costs Specific incremental costs directly attributable to a At-the-Market offering of securities which are deferred at the end of the reporting period. Offering Costs At Market Offering costs, at market Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Adjustments to reconcile net loss to net cash used in operating activities: Share-based Compensation, Total Non-cash stock compensation expense Share-based Compensation, Total Expenses on stock options Depreciation and amortization Depreciation and amortization Investment Income, Amortization of Discount Amortization of premium on investment securities Amortization of Debt Issuance Costs Amortization of debt issuance costs Amortization of Lease Incentives Amortization of leasehold interest Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Non-cash change in lease liability and right-of-use asset The change in fair value of notes payable during the period. Change In Fair Value Of Notes Payable Change in fair value of notes payable Changes in assets and liabilities: Increase (Decrease) in Other Current Assets Increase in other current assets Increase (Decrease) in Accrued Interest Receivable, Net Increase in accrued interest receivable (Decrease) increase in accounts payable and accrued expenses Increase in other liabilities Decrease in lease liabilities Increase (Decrease) in Interest Payable, Net (Decrease) increase in interest payable Increase (Decrease) in Other Current Liabilities Decrease in other liabilities Decrease in deferred revenue Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities CASH FLOWS FROM INVESTING ACTIVITIES The cash inflow associated with the maturities of held-to-maturity securities. Proceeds from maturity of short-term securities Amount of cash outflow (inflow) through acquisition (sale) of short-term held-to-maturity securities. Payments To Acquire Held To Maturity Securities Short Term Investment in held-to-maturity securities Payments to Acquire Property, Plant, and Equipment Purchases of equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash provided by (used in) investing activities CASH FLOWS FROM FINANCING ACTIVITIES Represents the net proceeds from issuance of common stock over-allotments during the period. Proceeds from sale of common stock, net Proceeds from the exercise of warrants Proceeds from exercise of options Proceeds from Other Debt Proceeds from debt financings Payments of Financing Costs Financing costs paid Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD Total cash, cash equivalents and restricted cash Reconciliation to amounts on consolidated balance sheets: Restricted cash Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Cash paid for: Interest Paid, Excluding Capitalized Interest, Operating Activities Interest NONCASH TRANSACTIONS Amount of Accrued Financing Costs. Accrued Financing Costs Deferred financing costs Amount of Warrants Issued With Debt Financing. Warrants Issued With Debt Financing Warrants issued with debt financing ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block] ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES CASH. AND CASH EQUIVALENTS Cash And Cash Equivalents Disclosure [Text Block] CASH AND CASH EQUIVALENTS INVESTMENT SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] INVESTMENT SECURITIES FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] FAIR VALUE MEASUREMENTS STOCKHOLDERS' EQUITY Shareholders' Equity and Share-based Payments [Text Block] STOCKHOLDERS' EQUITY OTHER LIABILITIES Other Liabilities Disclosure [Text Block] OTHER LIABILITIES LONG-TERM DEBT. Long-term Debt [Text Block] LONG-TERM DEBT LEASES Lessee, Operating Leases [Text Block] LEASES License Agreement [Abstract] LICENSE AGREEMENTS The entire disclosure for research, development, and License Agreement activities, including contracts and arrangements to be performed for others and with federal government. License Agreement Disclosure [Text Block] LICENSE AGREEMENTS RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS SUBSEQUENT EVENTS Subsequent Events [Text Block] SUBSEQUENT EVENTS Reflects the description of business of the entity. Description of Business Disclosure of accounting policy for reporting when there is a substantial doubt about an entity's ability to continue as a going concern for a reasonable period of time (generally a year from the balance sheet date). Disclose: (a) pertinent conditions and events giving rise to the assessment of substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time, (b) the possible effects of such conditions and events, (c) management's evaluation of the significance of those conditions and events and any mitigating factors, (d) possible discontinuance of operations, (e) management's plans (including relevant prospective financial information), and (f) information about the recoverability or classification of recorded asset amounts or the amounts or classification of liabilities. If management's plans alleviate the substantial doubt about the entity's ability to continue as a going concern, disclosure of the principal conditions and events that initially raised the substa Liquidity and Capital Resources Recently Issued Accounting Standards Use of Estimates Cash and Cash Equivalents. Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents Restricted Cash Investment Securities. Investment Securities Credit Risk Revenue Recognition Research and Development Costs Income Taxes. Income Taxes Stock-Based Compensation Basic and Diluted Net Loss Per Common Share Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Long-Lived Assets and Goodwill Dilutive securities excluded from computation Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Cash and Cash Equivalents Held-to-maturity Securities Schedule of held-to-maturity securities Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis Schedule of fair value, liabilities measured on recurring and nonrecurring basis Change In Level Three Fair Value During Period Schedule of change in level three fair value during period Schedule of Share-based Compensation, Stock Options, Activity Schedule of Stock Options Activity Schedule of Assumptions Used [Table Text Block] Schedule of Fair Value Assumptions Schedule of Nonvested Restricted Stock Units Activity Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule of stock-based compensation expense Schedule Of Warrants Activity Schedule of Warrants Activity Schedule of Debt No definition available. Schedule Of Long Term Debt Key Assumptions [Table] [Text Block] Schedule of key assumptions No definition available. Schedule Of Long Term Debt [Text Block] Schedule of long-term debt Lease, Cost [Table Text Block] Schedule of lease cost Tabular disclosure for balance sheet classification of lease liabilities. Schedule Of Balance Sheet Classification Of Operating Lease [Table Text Block] Schedule of classification of lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of lease liability maturity Cash, Cash Equivalents, and Short-term Investments Cash and cash equivalents, and investment securities Restricted Cash and Investments Restricted cash pledge Organization, Consolidation and Presentation of Financial Statements [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of diluted loss per share Potentially dilutive securities excluded from calculation Checking and bank deposits Money market funds Debt Securities, Held-to-maturity Amortized cost, as adjusted Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain Gross unrealized holding gains Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss Gross unrealized holding losses Estimated fair value Fair Value Measurement [Table] Short-term Debt, Type [Axis] Short Term Debt Type [Domain] Short-term Debt, Type [Domain] Convertible Notes Payable [Member] Convertible Notes Payable [Member] Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] No definition available. Manhattan And Ariston Pharmaceuticals Merger [Member] Manhattan and Ariston Pharmaceuticals Merger [Member] 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. Fair Value Measurement [Line Items] Notes Issued Debt Instrument, Term Debt instrument, term Debt instrument period Det instrument rate Debt Instrument, Convertible, Conversion Price Debt Instrument convertible conversion price Reflects level of percentage of net product cash flow received from the exploitation or commercialization of certain product candidates to repay certain convertible debt. Percentage Of Cash Proceeds From Operation To Repay Convertible Debt Percentage of cash proceeds from operation to repay convertible debt Refers to the number of obligations. Number of Obligations Number of obligations This element representys about cumulative liability. Cumulative Liability Cumulative liability The number of payment made. Number Of Payments Number of payments Fair Value, by Balance Sheet Grouping [Table] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Inputs Level3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 5% Notes Totals Fair Value, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Balance at end of period Balance at beginning of period Amount of interest recognized during the period, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (level 3). Interest accrued on face value of 5% Notes Change in fair value of Level 3 liabilities Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of shares each right entitles registered holder to purchase Warrants issued Preferred stock, shares authorized Preferred stock, par value Preferred stock, par value (in dollars per share) Sale of Stock, Number of Shares Issued in Transaction Shares sold Sale of Stock, Price Per Share Share price in offering Sale of Stock, Consideration Received on Transaction Proceeds from offering Refers to the percent of commission of gross proceeds from the sale of common stock sold paid to agents. Common Stock, Commission Rate Percent of commission rate Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of Shares, Outstanding at Ending Balance Number of Shares, Outstanding at Beginning Balance Restricted stock outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of shares, Outstanding Ending Balance Number of shares, Outstanding Beginning Balance Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Number of additional shares that may be issued Number of Shares, Granted Number of shares granted Gross proceeds Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Total unrecognized compensation expense related to unvested time-based restricted stock Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Weighted-average period of recognition for total unrecognized compensation expense related to unvested time-based restricted stock Equity Incentive Plans Stock Option Activity [Table] Option Indexed to Issuer's Equity [Axis] Option Indexed To Issuers Equity Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Employee Stock Option [Member] Employee Stock Option [Member] 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. Equity Incentive Plans Stock Option Activity [Line Items] Number of shares, Granted. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of shares, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of shares, Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Number of shares, Expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted - average exercise price, Outstanding Ending Balance Weighted - average exercise price, Outstanding Beginning Balance Weighted - average exercise price, Granted Weighted - average exercise price, Exercised Weighted - average exercise price, Forfeited Weighted - average exercise price, Expired Weighted - average Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Outstanding Equity [Abstract] Statistical Measurement [Axis] Range [Member] Statistical Measurement [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Volatility, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free rate, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free rate, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Equity Incentive Plans Restricted Stock Activity [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted stock [Member] 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. Equity Incentive Plans Restricted Stock Activity [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of Shares, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of Shares, Forfeited 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, Outstanding at Ending Balance Weighted Average Grant Date Fair Value, Outstanding at Beginning Balance Weighted Average Grant Date Fair Value, Granted Weighted Average Grant Date Fair Value, Vested Weighted Average Grant Date Fair Value, Forfeited Restricted Stock or Unit Expense Stock-based compensation expense associated with restricted stock Stock or Unit Option Plan Expense Stock-based compensation expense associated with option grants Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Warrants, Outstanding at Ending Balance Warrants, Outstanding at Beginning Balance Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Warrants, Issued Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised Warrants, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations Warrants, Expired Reflects the weighted average exercise price of warrants outstanding. Warrant Or Right Outstanding Weighted Average Exercise Price Weighted - average exercise price of Warrants, Outstanding at Ending Balance Weighted - average exercise price of Warrants, Outstanding at Beginning Balance Weighted - average exercise price of Warrants, Issued Reflects the weighted average exercise price of warrants Exercised. Weighted - average exercise price of Warrants, Exercised Reflects the weighted average exercise price of warrants Expired. Weighted - average exercise price of Warrants, Expired Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Aggregate Intrinsic Value of Warrants, Outstanding Notes payable Notes payable, Current portion, net Notes payable, Non-current portion, net Notes Payable, Noncurrent, net Notes Payable. Total costs associated with agreement. Agreement Costs Aggregate Agreement total costs No definition available. Agreement Costs Current Liabilities Agreement costs included in current liabilities Construction Contract Cost, Progress Payment Offset No definition available. Agreement Costs Non Current Liabilities Agreement costs included in noncurrent liabilities Percentage of administrative fee. Percentage Of Administrative Fee No definition available. Interest Expense Recognized As Administrative Fees Interest Expenses Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Line of Credit Facility, Maximum Borrowing Capacity Maximum term loan facility Number of advances. Number Of Advances Number of advances Amount drawn on first advance. Debt Instrument First Advance drawn Amount drawn on first advance Number of additional advances drawn at the option of borrower. Number Of Additional Advances Number of additional advances Amount of additional advances for each draw. Additional Advances For Each Draw Additional Advances Drawn Amount available under fourth advance of debt. Debt Instrument, Fourth Advance Available The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount. Line of Credit Facility Contingent Increase, Additional Borrowing Capacity Minimum incremental borrowings Debt Instrument, Basis Spread on Variable Rate Interest rate ( as a percent) Minimum amount raised from unrestricted cash proceeds. Minimum Amount Raised From Unrestricted Cash Proceeds Minimum amount raised from unrestricted cash proceeds Number of amortization payments installments. Number Of Amortization Payments Installment Number of amortization payments installments Number of interest only payments installments. Number Of Interest Only Payments Installment Number of interest only payments installments Number of business days. Number of Business Days Number of business days Minimum amount of expected prepayment of debt. Minimum Expected Prepayment Of Debt Expected prepayment on outstanding advances Percentage of prepayment charge. Percentage Of Prepayment Charge Prepayment charge (as a percent) Percentage of Interest On Past Due Outstanding. Percentage of Interest On Past Due Outstanding Interest on past due outstanding (as a percent) Minimum Indebtedness involved by the borrower in default. Minimum Indebtedness Involved By Borrower In Default Minimum indebtedness by borrower in default Warrant coverage percentage. Warrant Coverage Percentage Warrant coverage percentage Class of Warrant or Right, Exercise Price of Warrants or Rights Warrant, purchase price No definition available. Class Of Warrant Or Right Fair Value Warrant exercisable term. Warrant Exercisable Term Warrant exercisable term Warrants and Rights Outstanding, Term Warrants, contractual term Financing Interest Expense Financing expenses, Hercules Loan Agreement Unamortized Debt Issuance Expense Less: unamortized debt issuance costs Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Exercise Price Share Price Common share price on date of issuance Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Other Long-term Debt Long-term debt No definition available. End Of Term Fee End of term fee No definition available. Long Term Debt Gross Long-term debt, gross Long-term Debt Long-term Debt It represents percentage of occupancy. Percentage Of Occupancy Area of Land Area of Land Operating Lease Initial Commitment Period Operating Lease Initial Commitment Period Operating Lease Initial Commitment Period Average Annual Rental Payments. Average Annual Rental Payments Operating Lease, Expense Rent expense Operating Lease, Liability Operating Lease Liability Total lease liability Total lease liability Remaining lease term of operating lease for lessee. Lessee Operating Lease Remaining Term Of Contract Remaining lease term Lessee, Operating Lease, Renewal Term Lease additional term Represents the initial commitment period under the office space lease arrangement. Office Space Lease, Initial Commitment Period Initial commitment period for office lease space Long-term Line of Credit Line of credit Additional Collateral, Aggregate Fair Value Additional collateral pledged Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate for operating leases Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining operating lease term Operating Lease, Payments, Use Operating Lease, Cost Operating lease cost Lease, Cost Net lease cost Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Remainder of 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 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five 2024 Lessee, Operating Lease, Liability, Payments, Due after Year Five After 2024 Lessee, Operating Lease, Liability, Payments, Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: Interest Represents amount received for sub license. Upfront Fee Received From Sub License Upfront fee Income taxes Represents the term after the first commercial sale. Term After First Commercial Sale Term after first commercial sale Deferred Revenue Current portion of deferred revenue Deferred Revenue, Current Reflects potential milestone payments to be received upon achievement of pre-specified milestone. Additional Amount Receivable on Achievement of Pre-specified Milestones Additional payments on achievement of certain milestones Manufacturing Costs Manufacturing expense Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Line Items] Represents the area of office space leased during the period. Area Of Office Space Leased Area of leases office space Costs and Expenses, Related Party Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event Refers to amount of user fee. User Fee NDA user fee Refers to the amount of refund of user fee. User Fee Refund NDA user fee refund Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] No definition available. Stock Options [Member] Options [Member] Warrant [Member] Warrant [Member] Convertible Debt Securities [Member] Share Issuable Upon Note Conversion [Member] Investment Type [Axis] Investment Type Categorization [Member] Investments [Domain] Short Term Investments [Member] Short-term Investments [Member] Debt Security Category [Axis] Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] U S Government Agencies Debt Securities [Member] Obligations of domestic governmental agencies [Member] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] Represents the information pertaining to 2020 At The Market (ATM). At Market2020 [Member] 2020 ATM [Member] Represents information pertaining to milestone based restricted stock. Milestone Based Restricted Stock [Member] Milestone Based Restricted Stock [Member] Cash and Cash Equivalents [Axis] Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash and Cash Equivalents [Domain] No definition available. Convertible Notes [Member] Convertible Notes [Member] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Represents the information pertaining to term loan. Term Loan [Member] Term Loan [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate [Member] Prime Rate [Member] Extinguishment of Debt [Axis] Extinguishment Of Debt Type [Domain] Extinguishment of Debt, Type [Domain] Represents the information pertaining to prepayment of debt within 12 months of closing date. Within First Twelve Months Of Closing Date [Member] Within First twelve Months Of Closing Date [Member] Represents the information pertaining to after 12 months but on or before 24 months of closing date. After Twelve Months But On Or Before Twenty Four Months [Member] After Twelve Months But On Or Before Twenty Four Months [Member] Represents the information pertaining to prepayment of debt after 24 months. After Twenty Four Months Of Closing Date [Member] After Twenty Four Months Of Closing Date [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Exercise Price [Member] Measurement Input, Exercise Price [Member] Measurement Input Share Price [Member] Measurement Input, Share Price [Member] Measurement Input Price Volatility [Member] Measurement Input, Price Volatility [Member] Measurement Input Risk Free Interest Rate [Member] Measurement Input, Risk Free Interest Rate [Member] Measurement Input Expected Term [Member] Measurement Input, Expected Term [Member] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Office Agreement Member. Office Agreement [Member] Office Agreement [Member] Refers to the New Jersey lease. Nj Lease [Member] NJ Lease [Member] Adjustments for New Accounting Pronouncements [Axis] Type Of Adoption [Member] Type of Adoption [Domain] Accounting Standards Update201602 [Member] ASU 2016-02 Restatement [Axis] Restatement [Domain] Restatement [Domain] Restatement Adjustment [Member] Restatement Adjustment Legal Entity [Axis] Entity [Domain] Entity [Domain] Represents the information pertaining to JBET Agreement. Jbet Agreement [Member] JBET Agreement [Member] No definition available. Tg1101 [Member] TG-1101 [Member] No definition available. Tg1701 [Member] TG-1701 [Member] No definition available. Tg1801 [Member] TG-1801 [Member] No definition available. Agreement Type [Axis] No definition available. Agreement Type [Domain] Agreement Type [Domain] No definition available. Collaboration Agreement [Member] Collaboration Agreement [Member] No definition available. Shared Services Agreement [Member] Shared Services Agreement [Member]