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Cash and Cash Equivalents [Domain] Preferred Stock, Value, Issued Preferred stock, $0.0001 par value, 10,000,000 shares authorized Minimum [Member] Minimum [Member] 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, Granted Financial Instrument [Axis] Schedule of Transaction Price Allocated To Performance Obligations [Table Text Block] Schedule of Transaction Price Allocated To Performance Obligations [Table Text Block] Schedule of Transaction Price Allocated To Performance Obligations [Table Text Block] Schedule Of Supplemental Cash Flow Information Related To Leases Schedule Of Supplemental Cash Flow Information Related To Leases [Table Text Block] Schedule of supplemental cash flow information related to leases. Assets, Current [Abstract] Current assets: Total other current liabilities Accrued expenses and other current liabilities Accounts Payable and Other Accrued Liabilities, Current Quarterly Financial Information [Text Block] Unaudited Financial information Amortization of Intangible Assets Amortization of ROU assets Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Segment Reporting [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value of Assets and Liabilities Measured On Recurring Basis Liabilities, Current [Abstract] Current liabilities: Shares, Outstanding Balance (In shares), beginning Balance (In shares), period end Renewal term Lessee, Operating Lease, Renewal Term Accrued Fixed Asset Purchase Accrued Fixed Asset Purchase Accrued fixed asset purchase Commitments and Contingencies Commitments and contingencies (Note 8) Issuance of pre-funded warrant, net of issuance costs of $290 Issuance of pre-funded warrant, net of issuance costs Issuance of pre-funded warrant, net of issuance costs Weighted average grant date fair value, beginning balance Weighted average grant date fair value, ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Personnel Expenses Cost Personnel Expenses Cost Personnel expense General and Administrative General and Administrative Expense [Member] Total operating lease liability Operating lease liability Total operating lease liability Operating Lease, Liability Lessee, Lease, Description [Table] Capital Expenditures Incurred but Not yet Paid Purchases of property and equipment in accounts payable and accrued expenses Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Basic Basic weighted average shares outstanding Weighted-average number of common shares used in computing net loss per share-basic Weighted Average Number of Shares Outstanding, Basic Scenario [Axis] Scenario Pre-funded warrants to purchase Pre-Funded Warrants to Purchase Pre-Funded Warrants to Purchase Aggregate intrinsic value, exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset Underwritten public offering Public Offering Of Share Public Offering of Share Subsequent Events [Text Block] Subsequent Events APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense Balance beginning period Balance end period Total stockholders' equity Equity, Attributable to Parent Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock price per share Basis of presentation Basis of Accounting, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] One Time Upfront Payment One Time Upfront Payment One Time Upfront Payment Leasehold Improvements [Member] Leasehold Improvements Foreign Currency Transaction Gain (Loss), before Tax, Total Gain (Loss), Foreign Currency Transaction, before Tax Foreign currency exchange (loss) gain Entity Address, Address Line Two Entity Address, Address Line Two Collaboration Revenue [Member] Collaboration Revenue [Member] Collaboration Revenue [Member] Expected remaining cost, weighted average period, units Expected remaining cost, weighted average period, units Weighted average period, units Series A-2 Convertible Preferred Stock [Member] Series A-2 Convertible Preferred Stock Series A-2 Convertible preferred stock. 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