Entity Addresses, Address Type [Axis]
Business Contact [Member]
Business Combination [Axis]
Eos SENOLYTIXS Inc [Member]
Class of Stock [Axis]
Common Class A [Member]
Common Class B [Member]
Series A Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Member]
Equity Components [Axis]
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Statistical Measurement [Axis]
Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Merger Agreement [Member]
Ownership [Axis]
PreMerger Cullgen Inc [Member]
PreMerger Pulmatrix Inc [Member]
Pulmatrix Inc [Member]
Cullgen Inc [Member]
Concentration Risk Benchmark [Axis]
Revenue from Contract with Customer Benchmark [Member]
Concentration Risk Type [Axis]
Customer Concentration Risk [Member]
Customer [Axis]
Two Customers [Member]
Pledging Purpose [Axis]
Letter of Credit [Member]
Cipla Agreement [Member]
Legal Entity [Axis]
Cipla Technologies Llc [Member]
Product and Service [Axis]
Research and Development Service [Member]
Irrevocable License [Member]
Lease Assignment Agreement [Member]
H.C. Wainwright and Co., LLC [Member]
Sale Agreement [Member]
Maximum [Member]
Sale of Stock [Axis]
ATM Offering [Member]
Warrant [Member]
Award Type [Axis]
Warrant One [Member]
Warrant Two [Member]
Warrant Three [Member]
Subsequent Event Type [Axis]
Subsequent Event [Member]
Plan Name [Axis]
2024 Equity Incentive Plan [Member]
Title and Position [Axis]
Employees, Directors and Consultants [Member]
Vesting [Axis]
Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Payment Arrangement, Tranche Two [Member]
Share-Based Payment Arrangement, Option [Member]
Derivative Instrument [Axis]
Equity Option [Member]
Location, Statement of Income, Balance [Axis]
Tax Period [Axis]
Tax Year 2026 to 2037 [Member]
Indefinite [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction, Domestic State and Local [Member]
Tax Credit Carryforward [Axis]
Research Tax Credit Carryforward [Member]
Antidilutive Securities [Axis]
Options to Purchase Common Stock [Member]
Warrants to Purchase Common Stock [Member]
PreMerger Eos Inc [Member]
Purchase Agreement [Member]
Series A Preferred Stock [Member]
Investment, Name [Axis]
K2 Biolabs Inc [Member]
Related and Nonrelated Parties [Axis]
Dr. Slawin [Member]
SENOTHERAPEUTIX [Member]
Board of Directors Chairman [Member]
License Agreement [Member]
Unrelated Third Party Investor [Member]
Series A Preferred Financing [Member]
Entity Addresses [Table]
Entity Addresses [Line Items]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Contact Personnel Name
Statement [Table]
Statement [Line Items]
Assets
Current assets:
Cash
Restricted cash
Deferred assets
Prepaid expenses
Total assets
Long-term restricted cash
Other long-term assets
Total assets
Liabilities and Stockholders’ Deficit
Current liabilities:
Accrued expenses
Short-term loan
Accounts payable
Accrued expenses and other current liabilities
Total current liabilities
Warrant liability
Total liabilities
Commitments and contingencies (Note 9)
Stockholders’ Deficit:
Preferred stock, value
Common stock, value
Additional paid-in capital
Contributed Capital
Accumulated deficit
Total stockholders’ deficit
Total liabilities and stockholders’ deficit
Preferred stock, par value
Preferred stock, shares authorized
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value
Common stock, shares authorized
Common stock, shares issued
Common stock, shares outstanding
Preferred stock, shares issuable
Revenue
Operating Expenses:
Research and development
General and administrative
Loss on MannKind Transaction
Total operating expenses
Loss from operations
Other income (expense):
Interest income
Fair value adjustment of warrants
Other income (expense), net
Total other income (expense), net
Net loss before income tax provision (benefit)
Income tax provision (benefit)
Net loss
Net loss per share - basic
Net loss per share - diluted
Weighted-average common shares outstanding - basic
Weighted-average common shares outstanding - diluted
Balance
Balance, shares
Stock-based compensation expense
Net Loss
Issuance of class A common stock in connection with stockholders’ agreement
Issuance of class A common stock in connection with stockholders' agreement, shares
Issuance of class B common stock in connection with stockholders’ agreement
Issuance of class B common stock in connection with stockholders' agreement, shares
Expenses paid by parent on behalf of Company
Stock-based compensation expense
Balance
Balance, shares
Cash flows from operating activities:
Net loss
Adjustments to reconcile net loss to net cash provided by operating activities:
Parent-paid expenses treated as capital contribution
Depreciation and amortization
Amortization of operating lease right-of-use asset
Stock-based compensation expense
Loss on disposals
Fair value adjustment of warrants
Changes in operating assets and liabilities:
Deferred assets
Prepaid expenses
Accounts receivable
Prepaid expenses and other current assets
Other long-term assets
Accounts payable
Accrued expenses
Operating lease liability
Deferred revenue
Net cash provided by operating activities
Cash flows from investing activities:
Purchases of property and equipment
Net cash provided by investing activities
Cash flows from financing activities:
Proceeds from sale of Series B Convertible Preferred Stock
Proceeds from short-term borrowings
Net cash provided by financing activities
Net increase in cash and cash equivalents:
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
Cash and cash equivalents
Restricted cash
Long-term restricted cash
Supplemental disclosure of operating activities
Interest paid
Income taxes paid
Supplemental disclosures of non-cash financing information:
Reduction of operating lease right-of-use asset and lease liability upon lease modification
Preferred stock issuance costs not yet paid
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Nature of the Business and Basis of Presentation
AccountingPoliciesTable [Table]
AccountingPoliciesLineItems [Line Items]
Summary of Significant Accounting Policies and Recent Accounting Standards
PrepaidExpensesAndOtherCurrentAssetsTable [Table]
PrepaidExpensesAndOtherCurrentAssetsLineItems [Line Items]
Prepaid Expenses and Other Current Assets
PayablesAndAccrualsTable [Table]
PayablesAndAccrualsLineItems [Line Items]
Accrued Expenses and Other Current Liabilities
Commitments and Contingencies Disclosure [Abstract]
Significant Agreements
Stock, Class of Stock [Table]
Class of Stock [Line Items]
Common Stock
Warrants
Warrants
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based Compensation
Commitments and Contingencies
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Line Items]
Leases
IncomeTaxTable [Table]
IncomeTaxLineItems [Line Items]
Income Taxes
Earnings Per Share [Abstract]
Net Loss Per Share
Segment Reporting [Abstract]
Segment Reporting
Subsequent Event [Table]
Subsequent Event [Line Items]
Subsequent Events
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization
Equity [Abstract]
Preferred Stock
Going Concern
Related Party Transaction [Table]
Related Party Transaction [Line Items]
Related Party Transactions
DeferredAssetsTable [Table]
DeferredAssetsLineItems [Line Items]
Deferred Assets
Short-Term Debt [Table]
Short-Term Debt [Line Items]
Short Term Loan
ProposedMergerAgreementTable [Table]
ProposedMergerAgreementLineItems [Line Items]
Proposed Merger Agreement
ReceivablesTable [Table]
ReceivablesLineItems [Line Items]
Backstop Financing Agreement
Principles of Consolidation
Risks, Uncertainties and Liquidity
Use of Estimates
Concentrations of Credit Risk
Cash, Cash Equivalents and Restricted Cash
Fair Value of Financial Instruments
Leases
Revenue Recognition
Research and Development Costs
Stock-based Payments
Common Stock Warrants
Loss Per Share
Income Taxes
Recently Adopted Accounting Pronouncements
Basis of Presentation
Liquidity and going concern
Summary of Significant Accounting Policies
Product Development Costs
Segment Reporting
Recently Issued Accounting Pronouncements Not Yet Adopted
Schedule of Prepaid Expenses
Schedule of Accrued Expenses
Schedule of Rollforward of Common Stock Warrants Outstanding
Schedule of Warrants Outstanding and Exercisable
Schedule of Stock Option Activity
Schedule of Stock-based Compensation Expenses
Schedule of Grant-Date Fair Value of Stock Options
Leases [Abstract]
Schedule of Components of Lease Expenses
Schedule of Income Tax Benefit
Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate
Schedule of Components of Deferred Tax Assets
Schedule of Roll-forward of Gross Uncertain Tax Positions
Schedule of Income Taxes Paid
Schedule of Computation of Anti-Dilutive Weighted-Average Shares Outstanding
Schedule of Deferred Assets
Cash dividend
Price per share
Minority interest ownership percentage by noncontrolling owners
Minority interest ownership percentage by parent
Valuation amount
Enterprise value
Cash
Nature of Operation, Product Information, Concentration of Risk [Table]
Product Information [Line Items]
Concentration risk percentage
Deposit money market
Restricted cash
Cash and cash equivalents
Research and development expense
Stock options excluded from diluted loss per share
Schedule Of Prepaid Expenses And Other Current Assets
Software and hosting costs
Insurance
Other
Total prepaid expenses and other current assets
Payables and Accruals [Abstract]
Wages and incentives
Legal and patents
Other
Total accrued expenses and other current liabilities
Product Liability Contingency [Table]
Product Liability Contingency [Line Items]
Non-refundable upfront payment received
Agreement description
Transaction cost
Decrease in right-of-use asset
Disposal group write-down of carrying value
Sale of stock, consideration received on transaction
Description of stock transaction
Public float
Commission percentage
Number of shares issued in transaction
Common stock description
Class of Warrant or Right [Table]
Class of Warrant or Right [Line Items]
Number of Common Warrants, Outstanding, Beginning Balance
Weighted Average Exercise Price, Outstanding, Beginning balance
Number of Common Warrants, Expired
Weighted Average Exercise Price, Expired
Number of Common Warrants, Outstanding, Ending Balance
Weighted Average Exercise Price, Outstanding, Ending balance
Weighted Average Remaining Contractual Term (Years), Outstanding
Aggregate Intrinsic Value, Outstanding, Ending balance
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Warrants, Issue Date
Warrants, Adjusted Exercise Price
Warrants, Expiration Date
Number of Shares Underlying Warrants
Warrants to purchase common stock expired
Warrants fair value
Weighted-average exercise price
Warrants outstanding
Weighted-average exercise price
Offsetting Assets [Table]
Offsetting Assets [Line Items]
Number of Options, Outstanding, Balance
Weighted Average Exercise Price, Outstanding, Balance
Aggregate Intrinsic Value, Balance
Number of Options, Forfeited or expired
Weighted Average Exercise Price, Forfeited or expired
Number of Options, Outstanding, Balance
Weighted Average Exercise Price, Outstanding, Balance
Weighted Average Remaining Contractual Term (Years), Outstanding
Aggregate Intrinsic Value, Balance
Number of Options, Exercisable
Weighted Average Exercise Price, Outstanding, Exercisable
Weighted Average Remaining Contractual Term (Years), Exercisable
Aggregate Intrinsic Value, Exercisable
Aggregate Intrinsic Value, Exercisable
Number of Options, Granted
Weighted Average Exercise Price, Granted
Number of Options, Exercised
Weighted Average Exercise Price, Exercised
Number of Vested
Vested and expected to vest, Exercisable
Weighted Average Remaining Contractual Term (Years), Vested and expected to vest
Aggregate Intrinsic Value, Vested and expected to vest
ScheduleofStockbasedCompensationExpensesTable [Table]
Total stock-based compensation expense
Stock options granted
Stock options excercised
Total number of securities reserved for issuance
Purchase of options granted shares
Share granted fair value
Number of options vested
Options vested term
Share based compensation description
Vesting period
Options vested accelerated
Vested and expected to vest, exercisable
Unrecognized stock-based compensation expense
Remaining weighted-average vesting period
Options strike price
Options vested
Options vested term
Options exercise price
Weighted average grant-date fair value of options, granted
Fair value of common stock, granted
Lease cost
Fixed lease cost
Variable lease cost
Total lease cost
Cash paid for amounts included in the measurement of lease liabilities
Weighted-average discount rate - operating leases
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S federal statutory tax rate
Changes in valuation allowances
Nontaxable or nondeductible items : Stock-based compensation
Nontaxable or nondeductible items : Other
Provision for (benefit from) taxes
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S federal statutory tax rate, effective percent
Changes in valuation allowance, percent
Nontaxable or nondeductible items : Stock-based compensation, percent
Nontaxable or nondeductible items : Other, percent
Effective tax rate, percent
Restructuring Cost [Table]
Restructuring Cost and Reserve [Line Items]
U.S. federal statutory tax rate, percent
State taxes, net of federal benefit, percent
Research and development credits
Expiration of stock options
Permanent differences
Limitations on credits and net operating losses
Change in valuation allowance, percent
U.S. federal statutory tax rate, amount
State taxes, net of federal benefit, amount
Change in valuation allowance, amount
Net, amount
Net, percent
Net operating loss carryforwards
Capitalized research and experimental costs
Research and development credit carryforwards
Capitalized start-up expenses
Stock-based compensation
Other
Total deferred tax assets
Valuation allowance
Deferred tax asset
Net operating loss carryforwards
Change in valuation allowance
Gross uncertain tax positions, Beginning balance
Additions for current year tax positions
Gross uncertain tax positions, Ending balance
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards
Net operating loss carryforwards expiration
State net operating loss carryforwards
Research and development tax credits
Tax credit carryforwards expiration
Increase in valuation allowance
Operating loss carryforwards
Effective tax rate
Income tax expense or benefit
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average shares outstanding
Proceeds from other equity
Aggregate gross proceeds
Number of shares issued
Gross proceeds
Conversion price
Dividend percentage
Issuance costs
Proceeds for working capital
Proceeds from restricted cash
Risk-free interest rate
Expected term (in years)
Expected volatility
Expected dividend yield
Current
Deferred
Change in valuation allowance
U.S. Federal
U.S. State
Foreign
Total Income Taxes Paid
Cash
RelatedPartyTransactionsTable [Table]
Other expenses
Business acquisition description
Expense piad
License payments
Business acquisition, description
Merger agreements description
Financing fees
Exchange fees
Convertible notes, description
Purchase price, per share
Aggregate investment cost
Other commitment
Subsequent event, description
Shares authorized
Agreements description
Ownership percentage
Stock option grant in period, shares
Exercise price, per share
Stock option grant in period, description
Deferred asset acquisition costs
Deferred financing costs
Deferred assets
Legal retainer fees
Total Prepaid Expenses
Consultant and professional fees
External research and development expenses
Accrued expenses
Defined Benefit Plan [Table]
Defined Benefit Plan Disclosure [Line Items]
Received amount
Invest fund
Unsecured promissory note amount
Investments
Debt instrument amount
Percentage employer
BackstopFinancingAgreementTable [Table]
Investment amount
Debt conversion share value
Aggregate debt instrument amount
Amount transferred for notes
Transferred amount
Aggregate gross proceeds amount
Debt maturity term
Accrued interest rate
Conversion price per share
Interest rate
Proceeds from preferred stock
Aggregate common stock value origination fee
Warrant liability.
Reduction of operating lease right-of-use asset and lease liability upon lease modification.
Exchange ratio valuation amount.
Enterprise value.
Risk and Uncertainties [Policy Text Block]
Common Stock Warrants [Policy Text Block]
Disclosure of Prepaid Expenses and Other Current Assets [Text Block]
Prepaid software and hosting costs.
Agreement description.
Transaction costs.
Increase (decrease) in right of use asset.
Entities public float.
Commission percentage.
Disclosure of warrants [Text Block]
Share based compensation arrangement by share based payment award equity instruments non-options outstanding weighted average exercise price.
Share based compensation arrangement by share based payment award equity instruments non-options expired weighted average exercise price.
Share based compensation arrangement by share based payment award equity instruments non-options outstanding weighted average remaining contractual term.
Share based compensation arrangement by share based payment award equity instruments non-options outstanding aggregate intrinsic value.
Effective income tax rate reconciliation nondeductible expense permanent differences.
Effective income tax rate reconciliation limitations on credit and net operating losses.
Deferred tax assets deferred expense capitalized research and development.
Deferred tax assets deferred expense capitalized startup.
Preferred stock issuance costs not yet paid.
Significant Accounting [Policy Text Block]
Proceeds for working capital.
Series A Convertible Preferred Stock [Member]
Common stock capital shares reserved.
Parent-paid expenses treated as capital contribution.
Share based compensation arrangement by share based payment award options vested and expected to vest outstanding weighted average remaining contractual term.
Deferred tax assets change valuation allowance.
Eos SENOLYTIXS Inc [Member]
merger agreements description and terms.
Deferred Assets Disclosure [Text Block]
Schedule of Deferred Assets [Table Text Block]
External research and development expenses.
Agreements description.
Liquidity and Going Concern [Policy Text Block]
Legal retainer fees.
Proposed Merger Agreement [Disclosure Text Block]
2024 Equity Incentive Plan [Member]
Merger Agreement [Member]
Employees, Directors and Consultants [Member]
Amount transferred for notes.
Aggregate common stock value origination fee.
License payments.
K2 Biolabs Inc [Member]
Dr. Slawin [Member]
SENOTHERAPEUTIX [Member]
Financing fees.
PreMerger Cullgen Inc [Member]
Series B Convertible Preferred Stock [Member]
PreMerger Pulmatrix Inc [Member]
Pulmatrix Inc [Member]
Cullgen Inc [Member]
Two Customers [Member]
Cipla Agreement [Member]
Cipla Technologies Llc [Member]
Research and Development Service [Member]
Irrevocable License [Member]
Lease Assignment Agreement [Member]
H.C. Wainwright and Co., LLC [Member]
Sale Agreement [Member]
ATM Offering [Member]
Warrant One [Member]
Warrant Two [Member]
Warrant Three [Member]
Indefinite [Member]
Tax Year 2026 to 2037 [Member]
Options to Purchase Common Stock [Member]
Warrants to Purchase Common Stock [Member]
PreMerger Eos Inc [Member]
Purchase Agreement [Member]
Unrelated Third Party Investor [Member]
Series A Preferred Financing [Member]
License Agreement [Member]
Assets, Current
Assets [Default Label]
Liabilities, Current
Liabilities
Equity, Attributable to Parent
Liabilities and Equity
Gain (Loss) on Termination of Lease
Operating Expenses
Operating Income (Loss)
Nonoperating Income (Expense)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Shares, Outstanding
APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition
Share-Based Payment Arrangement, Noncash Expense
Gain (Loss) on Disposition of Property Plant Equipment
Increase (Decrease) in Operating Assets
Increase (Decrease) in Prepaid Expense
Increase (Decrease) in Accounts Receivable
Increase (Decrease) in Prepaid Expense and Other Assets
Increase (Decrease) in Other Noncurrent Assets
Increase (Decrease) in Accounts Payable
Increase (Decrease) in Accrued Liabilities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Payments to Acquire Property, Plant, and Equipment
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Disclosure of warrants [Text Block]
Lessee, Leases [Policy Text Block]
Income Tax, Policy [Policy Text Block]
Segment Reporting, Policy [Policy Text Block]
Cash [Default Label]
Restricted Cash
Other Accrued Liabilities, Current
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsNonOptionsOutstandingWeightedAverageExercisePrice
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Expirations
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsNonOptionsOutstandingAggregateIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term
Lease, Cost
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent
Deferred Tax Assets, Other
Deferred Tax Assets, Net of Valuation Allowance
Operating Loss Carryforwards
DeferredTaxAssetsChangeValuationAllowance
Unrecognized Tax Benefits
Deferred Tax Assets, Deferred Income
Cash Equivalents, at Carrying Value
Prepaid Expense, Current