This concept does not have a custom type definition. Document and Entity Information [Abstract] Statement [Table] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED BALANCE SHEETS Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Series A preferred stock that may be exchanged into common shares or other types of securities at the owner's option. Seriesa Convertible Preferred Stock [Member] Series A convertible preferred stock Series B preferred stock that may be exchanged into common shares or other types of securities at the owner's option. Series B Convertible Preferred Stock [Member] Series B convertible preferred stock Series C preferred stock that may be exchanged into common shares or other types of securities at the owner's option. Series C Convertible Preferred Stock [Member] Series C convertible preferred stock Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Restricted cash included in current assets Represents the information pertaining to unbilled accounts receivable. Nontrade Receivable Current Unbilled accounts receivable Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Other Assets, Noncurrent Other assets Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Restricted cash included in long-term assets Assets Total assets Liabilities and Equity [Abstract] Liabilities, convertible preferred stock and stockholders' equity (deficit) Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total accrued expenses Deferred Rent Credit, Current Deferred rent, net of current portion Deferred Compensation Share-based Arrangements, Liability, Current Restricted stock liability Deferred Revenue, Current Current portion of deferred revenue Lease Incentive, Payable, Current Current portion of lease incentive obligation Loans Payable to Bank, Current Current portion of term loan payable Liabilities, Current Total current liabilities Deferred Rent Credit, Noncurrent Deferred rent, net of current portion Deferred Compensation Liability, Classified, Noncurrent Restricted stock liability, net of current portion Warrants and Rights Outstanding Warrant liability Fair value of warrants Deferred Revenue, Noncurrent Deferred revenue, net of current portion This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. Used to reflect the noncurrent portion of the liabilities. Lease Incentive Payable Noncurrent Lease incentive obligation, net of current portion Loans Payable to Bank, Noncurrent Term loan, net of current portion Other Liabilities, Noncurrent Other long term liabilities Commitments and Contingencies Commitments Temporary Equity, Carrying Amount, Attributable to Parent Convertible preferred stock Stockholders' Equity Attributable to Parent [Abstract] Stockholders' deficit: Preferred Stock, Value, Outstanding Preferred stock Common Stock, Value, Issued Common stock Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Total stockholders' equity (deficit) Liabilities and Equity Total liabilities, convertible preferred stock and stockholders' equity (deficit) Temporary Equity, Other Disclosures [Abstract] Temporary Equity Disclosures Temporary Equity, Par or Stated Value Per Share Convertible preferred stock, par value (in NIS per share) Temporary Equity, Shares Authorized Convertible preferred stock, shares authorized Temporary Equity, Shares Issued Convertible preferred stock, shares issued Temporary Equity, Shares Outstanding Convertible preferred stock, shares outstanding Preferred Stock Disclosures Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars 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, Number of Shares, Par Value and Other Disclosures [Abstract] Common Stock Disclosures Common Stock, Par or Stated Value Per Share Common stock, par value (in NIS per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding CONSOLIDATED STATEMENTS OF OPERATIONS Revenues [Abstract] Revenues Revenues Collaboration revenue Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Operating Expenses Total operating expenses Nonoperating Income (Expense) [Abstract] Other income (expense): Other Nonoperating Income (Expense) Other income (expense), net Interest and Debt Expense Interest expense Nonoperating Income (Expense) Total other income (expense) Net Income (Loss) Attributable to Parent Net loss Net loss Temporary Equity, Dividends, Adjustment Convertible preferred stock dividends Net Income (Loss) Available to Common Stockholders, Basic Net loss applicable to common stockholders Income (Loss) from Continuing Operations, Per Basic and Diluted Share Net loss per share applicable to common stockholders - basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted-average number of common shares used in net loss per share applicable to common stockholders - basic and diluted (unaudited) CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Amortization of Financing Costs Noncash interest expense Fair Value Adjustment of Warrants Change in fair value of warrant liability Share-based Compensation Stock-based compensation Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Unbilled Receivables Unbilled accounts receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Other Noncurrent Assets Other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Revenue Deferred revenue Increase (Decrease) in Other Deferred Liability Deferred rent Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Increase in Restricted Cash Restricted cash Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities Proceeds from Bank Debt Proceeds from bank debt Proceeds from term loan Repayments of Bank Debt Principal payments on loan payable Proceeds from Issuance of Convertible Preferred Stock Proceeds from issuance of convertible preferred stock, net of issuance costs Proceeds from Issuance Initial Public Offering Proceeds from issuance of IPO shares Proceeds from IPO, net of commissions and underwriting discounts The cash outflow for cost incurred in relation to offering costs. Payment Of Offering Costs Payment of offering costs Proceeds from Issuance of Common Stock Proceeds from issuance of common stock, net of repurchases Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Net Cash Provided by (Used in) Continuing Operations Net increase in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental cash flow information Interest Paid, Net Cash paid for interest Conversion of Stock, Amount Converted Conversion of convertible preferred stock into common stock The value of warrant liability that was reclassified to additional paid-in-capital. Reclassification of Warrant Liability to Additional Paid In Capital Reclassification of Warrant Liability to Additional Paid In Capital Reclassification of warrant liability to additional paid-in-capital The amount of public offering costs that were incurred during a noncash or partial noncash transaction. Public Offering Costs Incurred During Nonocah or Partial Noncash Transaction Public offering costs incurred byt unpaid at period end Capital Expenditures Incurred but Not yet Paid Property and equipment purchases incurred but unpaid at period end Nature of Business Nature of Operations [Text Block] Nature of Business Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Restricted Cash Restricted Assets Disclosure [Text Block] Restricted Cash Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses Term Loan Long-term Debt [Text Block] Term Loan Warrants The entire disclosure for warrants. Warrants Disclosure [Text Block] Warrants Stock Awards Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Awards Net Loss Per Share Applicble to Common Stockholders Earnings Per Share [Text Block] Net Loss Per Share Applicble to Common Stockholders No definitions available. Collaboration Agreement Collaborative Arrangement Disclosure [Text Block] Collaboration Agreement Related-Party Transactions Related Party Transactions Disclosure [Text Block] Related-Party Transactions Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Revenue Recognition, Policy [Policy Text Block] Revenue recognition Cash and Cash Equivalents, Policy [Policy Text Block] Cash Equivalents Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Deferred Charges, Policy [Policy Text Block] Deferred Offering Costs New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of cash equivalents Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Schedule of financial instruments measured at fair value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Summary of changes in the fair value of the warrants which represents a recurring measurement that is classified within Level 3 of the fair value hierarchy wherein fair value is estimated Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued expenses Class of Warrant or Right [Table] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] I P O [Member] IPO Class Of Warrants Or Right [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] Schedule of weighted average assumptions of warrants in Black Scholes option pricing model Nonvested Restricted Stock Shares Activity [Table Text Block] Summary of unvested restricted stock Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of stock option activity Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Assumptions used in estimating fair value of stock options on grant date Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of stock-based compensation expense recognized in statements of operations Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of common stock equivalents excluded from calculation of diluted net loss per share applicalbe to common stockholders Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Subsidiary, Sale of Stock [Line Items] Initial Public Offering Stock Issued During Period, Shares, New Issues Stock sold (in shares) Share Price Share price (in dollars per share) Number of new stock issued during the period to underwriters pursuant to the full exercise of an option to purchase additional shares granted in connection with the offering. Stock Issued During Period Shares New Issues Underwriters Shares issued to underwriters in IPO Conversion of Stock [Table] Stock Conversion Description [Axis] Conversion Of Stock Name [Domain] Conversion of Stock, Name [Domain] Preferred Stock [Member] Preferred Stock Conversion of Stock [Line Items] Stock Split and Conversion of stock Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split ratio Conversion of Stock, Shares Issued Shares issued upon stock conversion (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of shares that can be purchased by the warrants issued Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalents [Axis] Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash and Cash Equivalents [Domain] Money Market Funds [Member] Money market fund Cash Equivalents Cash Equivalents, at Carrying Value Cash equivalents Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Recurring Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Active Markets (Level 1) Fair Value Inputs Level3 [Member] Unobservable Inputs (Level 3) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value of Financial Instruments