Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Trading Arrangement:
Trading Arrangement [Axis]
Maximum
Maximum [Member]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Title of 12(b) Security
Title of 12(b) Security
Subsequent Event
Subsequent Event [Member]
Net loss attributable to common shareholders — diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Document Fiscal Year Focus
Document Fiscal Year Focus
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Segment Reporting [Abstract]
Non-cash lease expense
Non-Cash Lease Expense
Non-Cash Lease Expense
Weighted average price of common stock, triggering warrants callable (in USD per share)
Class Of Warrant Or Right, Callable, Threshold Volume Weighted Average Stock Price Trigger
Class Of Warrant Or Right, Callable, Threshold Volume Weighted Average Stock Price Trigger
Common stock; $0.01 par value; 390,000,000 shares authorized, 339,166,393 and 312,501,472 shares issued, and 339,044,893 and 312,379,972 shares outstanding at June 30, 2026 and December 31, 2025, respectively
Common Stock, Value, Issued
2027
Lessee, Operating Lease, Liability, to be Paid, Year One
Employee-related
Employee-related Liabilities, Current
Schedule of Debt
Schedule of Long-Term Debt Instruments [Table Text Block]
Maximum threshold percentage of outstanding common stock available for conversion
Debt Instrument, Convertible, Maximum Threshold Percentage Of Common Stock, Shares Outstanding
Debt Instrument, Convertible, Maximum Threshold Percentage Of Common Stock, Shares Outstanding
Restatement Determination Date
Restatement Determination Date
Class of Warrant or Right [Domain]
Class of Warrant or Right [Domain]
Suspension period beyond original expiration date
Share-Based Compensation Arrangement By Share-Based Payment Award, Suspension Period After Expiration Date Triggering Term Extension
Share-Based Compensation Arrangement By Share-Based Payment Award, Suspension Period After Expiration Date Triggering Term Extension
Warrant to purchase common stock (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Vested and expected to vest (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Schedule of Components of Prepaid Expense and Other Current Assets
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Debt conversion price (in USD per share)
Debt Instrument, Convertible, Conversion Price
Facilities and other support costs
Facilities And Other Support Costs
Facilities And Other Support Costs
Amendment Flag
Amendment Flag
6.75% Convertible Senior Notes Due 2034
6.75% Convertible Senior Notes Due 2034 [Member]
6.75% Convertible Senior Notes Due 2034
Current liabilities
Liabilities, Current [Abstract]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Class of Warrant or Right [Table]
Class of Warrant or Right [Table]
Initial recognition of embedded derivative upon issuance of convertible note
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Proceeds from issuance of common stock, net
Proceeds From (Payments For) Issuance of Common Stock, Net
Proceeds From (Payments For) Issuance of Common Stock, Net
Depreciation and amortization expense
Other Depreciation and Amortization
Loss Contingencies [Table]
Loss Contingencies [Table]
Leases [Abstract]
Inhaled mucosal vaccine platform
Technology Pipeline, Inhaled Mucosal Vaccine Platform [Member]
Technology Pipeline, Inhaled Mucosal Vaccine Platform
Measurement Input, Credit Spread
Measurement Input, Credit Spread [Member]
Total non-current liabilities
Liabilities, Noncurrent
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Schedule of Cash and Cash Equivalents
Schedule of Cash and Cash Equivalents [Table Text Block]
Property, Plant, and Equipment [Abstract]
Entity Address, State or Province
Entity Address, State or Province
Number of plaintiffs
Loss Contingency, Number of Plaintiffs
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
PEO Total Compensation Amount
PEO Total Compensation Amount
Common stock, par value (in USD per share)
Common Stock, Par or Stated Value Per Share
Assets:
Assets, Fair Value Disclosure [Abstract]
Non-current liabilities
Liabilities, Noncurrent [Abstract]
Beginning balance unvested (in shares)
Ending balance unvested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Weighted shares used in calculating net loss per share - basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Share-Based Payment Arrangement, Tranche One
Share-Based Payment Arrangement, Tranche One [Member]
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Number of reportable segments
Number of Reportable Segments
Total current liabilities
Liabilities, Current
Collaborative arrangement contingent payment consideration to be percentage
Collaborative Arrangement, Royalties To Be Received, Percentage Of Net Sales
Collaborative Arrangement, Royalties To Be Received, Percentage Of Net Sales
2030
Lessee, Operating Lease, Liability, to be Paid, Year Four
Derivative liability
Derivative Liability, Current
Entity Address, City or Town
Entity Address, City or Town
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
OCU400
Technology Pipeline, OCU400 [Member]
Technology Pipeline, OCU400
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Title and Position [Domain]
Title and Position [Domain]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Class of Stock [Axis]
Class of Stock [Axis]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Debt issuance costs, gross
Debt Issuance Costs, Gross
Net loss attributable to common shareholders — basic
Net Income (Loss) Available to Common Stockholders, Basic
Automatic increase in shares to be issued
Share-Based Compensation Arrangement By Share-Based Payment Award, Automatic Increase In Shares To Be Issued, Percentage
Share-Based Compensation Arrangement By Share-Based Payment Award, Automatic Increase In Shares To Be Issued, Percentage
Level 2
Fair Value, Inputs, Level 2 [Member]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Maximum borrowing
Line of Credit Facility, Maximum Borrowing Capacity
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Current portion of long term debt
Less: current portion of long term debt
Long-Term Debt, Current Maturities
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table]
Subsidiary or Equity Method Investee, Sale of Stock, Type [Table]
Impairment of Assets
Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block]
Recently Adopted Accounting Standards and Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Litigation Case [Axis]
Litigation Case [Axis]
RECENT ACCOUNTING PRONOUNCEMENTS
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Purchases of property and equipment
Capital Expenditures Incurred but Not yet Paid
Collaboration and license agreement, option to terminate days
Collaboration and License Agreement, Option to Terminate, Days
Collaboration and License Agreement, Option to Terminate, Days
Segment Reporting
Segment Reporting [Table Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Amortization of debt issuance cost
Amortization of Debt Issuance Costs
Schedule of Major Components of Accrued Expenses and Other Current Liabilities
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
OCU410 and OCU410ST
Technology Pipeline, OCU410 And OCU410ST [Member]
Technology Pipeline, OCU410 And OCU410ST
Weighted average exercise price of outstanding warrants (in USD per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Carrying value, net
Long-Term Debt
Property and Equipment
Property, Plant, and Equipment [Text Block]
Schedule of Future Minimum Base Rent Payments
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Document Period End Date
Document Period End Date
Changes in assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Net cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Debt instrument, face amount
Debt Instrument, Face Amount
2028
Lessee, Operating Lease, Liability, to be Paid, Year Two
Equity
Equity [Text Block]
Security Exchange Name
Security Exchange Name
Stockholder Derivative Lawsuit
Stockholder Derivative Lawsuit [Member]
Stockholder Derivative Lawsuit
Treasury stock, at cost, 121,500 shares at June 30, 2026 and December 31, 2025
Treasury Stock, Common, Value
Granted (in USD per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Issuance of common stock upon exercise of warrants
Stock Issued During Period, Value, Warrants Exercised
Stock Issued During Period, Value, Warrants Exercised
Leases
Lessee, Lease, Description [Line Items]
Aggregate of amount of outstanding principal amount of convertible debt
Convertible Debt
Amortization of note issuance costs
Amortization of Note Issuance Costs
Amortization of Note Issuance Costs
Total liabilities
Liabilities, Fair Value Disclosure
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Shell Company
Entity Shell Company
Change in fair value recognized in earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Number of shares authorized for grant (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Operating lease obligations
Operating Lease, Liability, Current
Segment Information
Segment Reporting, Policy [Policy Text Block]
General Use Facilities
General Use Facilities [Member]
General Use Facilities
Schedule of Major Components of Property, Plant and Equipment
Property, Plant, and Equipment [Table Text Block]
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Net Loss Per Share of Common Stock
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Document Fiscal Period Focus
Document Fiscal Period Focus
Upfront payment
Payment For License Agreement
Payment For License Agreement
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Total liabilities
Liabilities
Trading Symbol
Trading Symbol
Geographical [Domain]
Geographical [Domain]
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Non-cash interest expense
Non-Cash Interest Expense
Amount of non-cash interest expense during the period.
Company Selected Measure Name
Company Selected Measure Name
Sale of Stock [Domain]
Sale of Stock [Domain]
Schedule of Restricted Cash
Restrictions on Cash and Cash Equivalents [Table Text Block]
Debt Financing Transaction
Debt Financing Transaction [Member]
Debt Financing Transaction
Principal outstanding
Long-Term Debt, Gross
Cash flows from operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Number of equity compensation plans
Number Of Equity Compensation Plans
Number Of Equity Compensation Plans
Compensation Amount
Outstanding Recovery Compensation Amount
Individual:
Individual [Axis]
Warrants
Warrant [Member]
Weighted shares used in calculating net loss per share - diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Entity Emerging Growth Company
Entity Emerging Growth Company
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Accrued expenses and other current liabilities
Accrued Expenses And Other Liabilities, Current
Accrued Expenses And Other Liabilities, Current
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
COVAXIN
Technology Pipeline, COVAXIN [Member]
Technology Pipeline, COVAXIN
Vesting percentage of the awards granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Less: present value adjustment
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Stock-based compensation recorded in other non-current liability
Deferred Compensation Share-Based Arrangements, Liability, Classified, Noncurrent
Proceeds from secured lines of credit
Proceeds from Secured Lines of Credit
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Treasury Stock
Treasury Stock, Common [Member]
Exercised, intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Collaborative Arrangements and Revenue Recognition
Collaborative Arrangement And Revenue From Contract With Customer [Policy Text Block]
Collaborative Arrangement And Revenue From Contract With Customer
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Level 1
Fair Value, Inputs, Level 1 [Member]
Proceeds from issuance of common stock upon exercise of warrants
Proceeds from Warrant Exercises
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Debt instrument, convertible, conversion ratio
Debt Instrument, Convertible, Conversion Ratio
Total
Lessee, Operating Lease, Liability, to be Paid
Beginning balance (in USD per share)
Ending balance (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
All Executive Categories
All Executive Categories [Member]
Chief Executive Officer
Chief Executive Officer [Member]
Lease obligations
Increase (Decrease) in Operating Lease Liability
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Payment of long term debt
Repayments of long-term lines of credit
Repayments of Long-Term Lines of Credit
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Preferred stock, par value (in USD per share)
Preferred Stock, Par or Stated Value Per Share
Class of Warrant or Right [Line Items]
Class of Warrant or Right [Line Items]
Depreciation and amortization expense
Depreciation
Vesting [Domain]
Vesting [Domain]
Plan Name [Domain]
Plan Name [Domain]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Beginning balance (in USD per share)
Ending balance (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Debt instrument, convertible, number of equity instruments (in shares)
Debt Instrument, Convertible, Number of Equity Instruments
GMP facility
GMP Facility [Member]
GMP Facility
Lease renewal term
Lessee, Operating Lease, Renewal Term
Schedule of Computation Basic and Diluted Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Fair Value Disclosures [Abstract]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Segment Reporting
Segment Reporting [Text Block]
Minimum
Minimum [Member]
Expiration Date
Trading Arrangement Expiration Date
Corporate headquarters
Corporate Headquarters [Member]
Corporate Headquarters
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Class of Warrant or Right [Axis]
Class of Warrant or Right [Axis]
Effect of changes in exchange rate on cash and restricted cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement Location [Axis]
Location, Statement of Income, Balance [Axis]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Money Market
Cash and Cash Equivalents, Fair Value Disclosure
Weighted average remaining contractual life
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
Class of warrant or right, outstanding, weighted average exercise price (in USD per share)
Class Of Warrant Or Right, Outstanding, Weighted Average Exercise Price
Class Of Warrant Or Right, Outstanding, Weighted Average Exercise Price
Exercisable (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Proceeds from issuance of common stock, net
Proceeds from Issuance of Common Stock
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Number of shares issued in underwriting agreement (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Schedule of RSU Activity
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Exercise Price
Award Exercise Price
Cash flows from investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Segment Reporting [Line Items]
Segment Reporting [Line Items]
Unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Document Quarterly Report
Document Quarterly Report
Canada And India
Canada And India [Member]
Canada And India
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Segments [Domain]
Segments [Domain]
EB-5 Loan Agreement
EB-5 Loan Agreement [Member]
Represents borrowings from the U.S. government's Immigrant Investor Program, commonly known as the EB 5 program (the "EB 5 Program").
Accrued Liabilities, Current [Abstract]
Accrued Liabilities, Current [Abstract]
6.75% Convertible Senior Notes Due 2034, Over-Allotment Option
6.75% Convertible Senior Notes Due 2034, Over-Allotment Option [Member]
6.75% Convertible Senior Notes Due 2034, Over-Allotment Option
Research and development personnel costs
Research And Development Personnel Costs
Research And Development Personnel Costs
Convertible Notes
Debt
Debt Disclosure [Text Block]
Plus: accrued interest
Interest Payable
Debt issuance costs, net
Debt Issuance Costs, Net
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Lease Contractual Term [Axis]
Lease Contractual Term [Axis]
Equity Component [Domain]
Equity Component [Domain]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Proceeds from sale of shares issued in underwriting agreement
Sale of Stock, Consideration Received on Transaction
Adoption Date
Trading Arrangement Adoption Date
Counterparty Name [Domain]
Counterparty Name [Domain]
Interest rate
Debt Instrument, Interest Rate, Stated Percentage
Total stockholders' equity
Beginning balance
Ending balance
Equity, Attributable to Parent
Total other (expense) income
Nonoperating Income (Expense)
Performance period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period
Prepaid Insurance
Prepaid Insurance
Assets
Assets [Abstract]
Title
Trading Arrangement, Individual Title
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Granted, intrinsic value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Intrinsic Value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Intrinsic Value
Present value of minimum lease payments
Operating Lease, Liability
Payment of equity issuance costs
Payments of Stock Issuance Costs
Insider Trading Policies and Procedures [Line Items]
Beginning balance (in shares)
Ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Accrued Expenses and Other Current Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
PSUs
Performance Shares [Member]
Aggregate Intrinsic Value (In Thousands)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest [Abstract]
Prepaid expenses and other current assets
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Private Placement
Private Placement [Member]
Repayments of debt
Repayments of Debt
Forfeited (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Number of operating segments
Number of Operating Segments
RSUs
Restricted Stock Units (RSUs) [Member]
Schedule of Potentially Dilutive Securities Excluded from Computation of Earnings Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Entity Central Index Key
Entity Central Index Key
Less: accumulated depreciation
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Equity [Abstract]
Equity [Abstract]
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Net cash used in operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Stockholders' equity
Equity, Attributable to Parent [Abstract]
Document Transition Report
Document Transition Report
Collaborative arrangement contingent payment consideration to be received amount
Collaborative Arrangement, Maximum Aggregate Milestone Payments
Collaborative Arrangement, Maximum Aggregate Milestone Payments
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Amortization of debt issuance costs, term
Amortization Of Debt Issuance Costs, Term
Amortization Of Debt Issuance Costs, Term
Operating expenses
Operating Expenses [Abstract]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Options, vested in period, fair value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value
Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Variable interest rate on debt
Debt Instrument, Basis Spread on Variable Rate
City Area Code
City Area Code
Accumulated Other Comprehensive Income
AOCI Attributable to Parent [Member]
All Individuals
All Individuals [Member]
Convertible Note
Convertible Debt Securities [Member]
Subsequent Events
Subsequent Events [Text Block]
Warrants
Warrants [Text Block]
Warrants
Measurement Input, Price Volatility
Measurement Input, Price Volatility [Member]
Debt, net
Debt Instrument, Fair Value Disclosure
Collaborative Arrangements
Collaborative Arrangement [Member]
Debt instrument over allotment option period
Debt Instrument Over Allotment Option Period
Debt Instrument Over Allotment Option Period
Name
Forgone Recovery, Individual Name
Unrecognized compensation expense related to options outstanding, weighted average period for expense to be recognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Weighted Average Grant Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Statement [Line Items]
Statement [Line Items]
Total assets
Assets
Amount
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Research and development
Research And Development Expenses Current
Carrying value as of the balance sheet date of obligations incurred through that date and payable for research and development. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Convertible Debt
Convertible Debt [Member]
Stock-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Weighted average grant date fair value (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Interest expense
Interest expense
Interest Expense, Nonoperating
Schedule of Stock-based Compensation Expense
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Forfeited, intrinsic value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeited In Period, Intrinsic Value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeited In Period, Intrinsic Value
Stock-Based Compensation
Share-Based Payment Arrangement [Text Block]
Proceeds from issuance of convertible notes, net of discount
Proceeds from Convertible Debt
Minimum threshold aggregate principal amount of notes outstanding and not called for redemption
Debt Instrument, Convertible, Threshold Amount Of Aggregate Principal Outstanding, Not Called
Debt Instrument, Convertible, Threshold Amount Of Aggregate Principal Outstanding, Not Called
Nature of Business
Nature of Operations [Text Block]
Issuance of common stock for capital raises, net (in shares)
Stock Issued During Period, Shares, New Issues
PEO
PEO [Member]
Registered Direct Offering Warrant
Registered Direct Offering Warrant [Member]
Registered Direct Offering Warrant
Expired (in USD per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Borrowing increments
Line Of Credit Facility, Borrowing Amount In Each Draw
The amount of borrowing that can be borrowed each draw from a line of credit
Stock-based compensation expense
Share-Based Payment Arrangement, Expense
Other non-current liabilities
Other Liabilities, Noncurrent
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Cash and Cash Equivalents, and Restricted Cash
Cash and Cash Equivalents, Policy [Policy Text Block]
Granted (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Accumulated Deficit
Retained Earnings [Member]
Operating lease obligations, less current portion
Operating Lease, Liability, Noncurrent
Total operating expenses
Operating Expenses
Forfeited (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, shares outstanding (in shares)
Beginning balance (in shares)
Ending balance (in shares)
Common Stock, Shares, Outstanding
Award Timing Disclosures [Line Items]
Payment of convertible note issuance costs
Payments of Debt Issuance Costs
Initial non-refundable fee
License Agreement, Non-Refundable Fee
License Agreement, Non-Refundable Fee
Net loss per share attributable to shareholders - diluted (in USD per share)
Earnings Per Share, Diluted
Entity Current Reporting Status
Entity Current Reporting Status
Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Collaborative Arrangement, Transaction with Party to Collaborative Arrangement [Member]
Net cash provided by (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Number of leases
Lessee, Number Of Operating Leases
Lessee, Number Of Operating Leases
Total Shareholder Return Amount
Total Shareholder Return Amount
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Litigation Case [Domain]
Litigation Case [Domain]
Research and development
Total research and development
Research and Development Expense
Lease Contractual Term [Domain]
Lease Contractual Term [Domain]
Measurement Input, Share Price
Measurement Input, Share Price [Member]
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Share-Based Payment Arrangement [Abstract]
Cash flows from financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Total revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Property and equipment, net
Total property and equipment, net
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Underlying Securities
Award Underlying Securities Amount
Issuance of common stock for capital raises, net
Stock Issued During Period, Value, New Issues
Days during trading period triggering warrants
Class Of Warrant Or Right, Callable, Threshold Days During Trading Period
Class Of Warrant Or Right, Callable, Threshold Days During Trading Period
Segment Reporting [Table]
Segment Reporting [Table]
Number of shares available for grant (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Title and Position [Axis]
Title and Position [Axis]
Sale of Stock [Axis]
Sale of Stock [Axis]
Weighted Average Remaining Contractual Life (Years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Other
Other Assets, Current
Other income (expense):
Other Nonoperating Income (Expense) [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
All Trading Arrangements
All Trading Arrangements [Member]
Balance at January 1, 2026
Balance as of June 30, 2026
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Change in fair value of derivative liability
Change in fair value of derivative liability
Derivative, Gain (Loss) on Derivative, Net
Other Performance Measure, Amount
Other Performance Measure, Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Loss from operations
Operating Income (Loss)
Current Fiscal Year End Date
Current Fiscal Year End Date
Convertible notes
Convertible Note Payable, Current
Convertible Note Payable, Current
Proceeds from issuance of convertible notes, net of discount
Proceeds from Issuance of Debt
Dr. Musunuri Rule Trading Arrangement, Stock Options [Member]
Dr. Musunuri Rule Trading Arrangement, Stock Options
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Dr. Musunuri Rule Trading Arrangement, Common Stock [Member]
Dr. Musunuri Rule Trading Arrangement, Common Stock
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Stock options to purchase common stock
Equity Option [Member]
Entity File Number
Entity File Number
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Issuance of common stock for stock option exercises and restricted stock unit vesting, net
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Prepaid Expenses and Other Current Assets
Prepaid Expense And Current Other Assets [Text Block]
Prepaid Expense And Current Other Assets
Accrued Liabilities [Line Items]
Accrued Liabilities [Line Items]
Accrued Liabilities [Line Items]
Schedule of Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Earnings Per Share
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Measure:
Measure [Axis]
Incremental stock-based compensation expense
Share-Based Payment Arrangement, Plan Modification, Incremental Cost
Treasury stock (in shares)
Treasury Stock, Common, Shares
Equity Components [Axis]
Equity Components [Axis]
Product and Service [Domain]
Product and Service [Domain]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Entity Interactive Data Current
Entity Interactive Data Current
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Collaborative arrangement, rights and obligations, maximum aggregate milestone payments, per product
Collaborative Arrangement, Upfront License Fees And Near-Term Development Milestones
Collaborative Arrangement, Upfront License Fees And Near-Term Development Milestones
Entity Small Business
Entity Small Business
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Debt discount
Debt Instrument, Unamortized Discount
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
Termination Date
Trading Arrangement Termination Date
Property, Plant, and Equipment [Line Items]
Property, Plant, and Equipment [Line Items]
Subsequent Events [Abstract]
Subsequent Events [Abstract]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Expiration period
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
Payment of security deposits
Payment Of Security Deposits
Payment Of Security Deposits
Other assets
Other Assets, Noncurrent
Document Type
Document Type
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loss on extinguishment of debt
Loss on extinguishment of debt
Loss on extinguishment of debt
Gain (Loss) on Extinguishment of Debt
Fair Value as of Grant Date
Award Grant Date Fair Value
Debt instrument, redemption price, percentage
Debt Instrument, Redemption Price, Percentage
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Arrangement Duration
Trading Arrangement Duration
Subsequent Events
Subsequent Event [Line Items]
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Local Phone Number
Local Phone Number
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Entity Registrant Name
Entity Registrant Name
Schedule of PSU Activity
Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Vested and expected to vest, intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Warrants and rights outstanding, term
Warrants and Rights Outstanding, Term
Commitments and contingencies (Note 15)
Commitments and Contingencies
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Total property and equipment
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Accounting Standards Update and Change in Accounting Principle [Table]
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Expired, intrinsic value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expired In Period, Intrinsic Value
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expired In Period, Intrinsic Value
Machinery and equipment
Machinery and Equipment [Member]
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Trailing trading days period triggering warrants
Class Of Warrant Or Right, Callable, Threshold Trailing Trading Days Period
Class Of Warrant Or Right, Callable, Threshold Trailing Trading Days Period
Executive Category:
Executive Category [Axis]
Convertible notes optional redemption , convertible, conversion ratio
Debt Instrument, Convertible, Optional Redemption, Capped Conversion Ratio
Debt Instrument, Convertible, Optional Redemption, Capped Conversion Ratio
Award vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Counterparty Name [Axis]
Counterparty Name [Axis]
Expired (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Furniture and fixtures
Furniture and Fixtures [Member]
Liabilities and stockholders' equity
Liabilities and Equity [Abstract]
Weighted average remaining contractual life, options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term
Schedule of Fair Value of Financial Assets and Liabilities
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Award Type [Domain]
Award Type [Domain]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Number of warrants outstanding (in shares)
Class of Warrant or Right, Outstanding
Remainder of 2026
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Fair Value Measurements
Fair Value Disclosures [Text Block]
Level 3
Fair Value, Inputs, Level 3 [Member]
Leases, term of contract
Lessee, Operating Lease, Term of Contract
PEO Name
PEO Name
Threshold percentage of convertible debt stock price trigger
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Total accrued expenses and other current liabilities
Accrued Liabilities and Other Liabilities
Geographical [Axis]
Geographical [Axis]
Leasehold improvements
Leasehold Improvements [Member]
Restricted cash
Restricted Cash
Property, Plant and Equipment, Type [Axis]
Long-Lived Asset, Class [Axis]
Concentration of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Interest expense recognized
Interest Expense, Debt
Prepaid R&D
Prepaid Research And Development Expense, Current
Prepaid Research And Development Expense, Current
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Exercised (in USD per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Cash, cash equivalents and restricted cash at beginning of period
Cash, cash equivalents and restricted cash at end of period
Total cash and restricted cash
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Professional fees
Accrued Professional Fees, Current
Other
Other Accrued Liabilities, Current
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Prepaid Subscriptions
Prepaid Subscriptions, Current
Prepaid Subscriptions, Current
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Non-NEOs
Non-NEOs [Member]
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Subsequent Event [Table]
Subsequent Event [Table]
2019 Plan
Ocugen, Inc. 2019 Equity Incentive Plan [Member]
Ocugen, Inc. 2019 Equity Incentive Plan
Payment of warrant issuance costs
Payments Of Warrant Issuance Costs
Payments Of Warrant Issuance Costs
Operating Leases
Lessee, Operating Leases [Text Block]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Net loss per share attributable to shareholders - basic (in USD per share)
Earnings Per Share, Basic
Shankar Musunuri [Member]
Shankar Musunuri
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Contract liability
Deferred revenue relating to collaborative arrangements
Contract with Customer, Liability, Current
Non-cash income from collaborative arrangements, net
Non-Cash Income (Expense) From Collaborative Arrangement
Noncash Collaboration Revenue
Reportable Segment
Reportable Segment [Member]
Reportable Segment
Measurement Input, Risk Free Interest Rate
Measurement Input, Risk Free Interest Rate [Member]
Total current assets
Assets, Current
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Insider Trading Arrangements [Line Items]
Long term debt, net
Long term debt, net of current portion
Long-Term Debt, Excluding Current Maturities
Award Type [Axis]
Award Type [Axis]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Net proceeds received from exercise of warrants
Adjustments to Additional Paid in Capital, Warrant Issued
Accumulated deficit
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Product and Service [Axis]
Product and Service [Axis]
Threshold trading days of convertible debt election
Debt Instrument, Convertible, Threshold Trading Days
Restricted cash
Restricted Cash, Noncurrent
Accrued Liabilities [Table]
Accrued Liabilities [Table]
Accrued Liabilities [Table]
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Common Stock
Common Stock [Member]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Cover [Abstract]
Expected dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Loans payable
Loans Payable [Member]
Equity Awards Adjustments
Equity Awards Adjustments [Member]
License and Development Agreements
Collaborative Arrangement Disclosure [Text Block]
Total liabilities and stockholders' equity
Liabilities and Equity
Share-Based Payment Arrangement, Option
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Segments [Axis]
Segments [Axis]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Plan Name [Axis]
Plan Name [Axis]
Derivative liability, measurement input
Derivative Liability, Measurement Input
Tabular List, Table
Tabular List [Table Text Block]
Vesting [Axis]
Vesting [Axis]
Additional paid-in capital
Additional Paid in Capital
Other (expense) income, net
Other Nonoperating Income (Expense)
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Options outstanding, beginning balance
Options outstanding, ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
General and administrative
General and Administrative Expense
Property, Plant and Equipment, Type [Domain]
Long-Lived Asset, Class [Domain]
Price per share of shares issued in underwriting agreement (in USD per share)
Sale of Stock, Price Per Share
NeoCart
chnology Pipeline, NeoCar [Member]
chnology Pipeline, NeoCar
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Property, Plant, and Equipment [Table]
Property, Plant, and Equipment [Table]
Preferred stock; $0.01 par value; 10,000,000 shares authorized at June 30, 2026 and December 31, 2025; zero shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively
Preferred Stock, Value, Issued
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Number of consolidated lawsuits pending resolution
Loss Contingency, Pending Claims, Number
Class of Stock [Domain]
Class of Stock [Domain]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Total Assets
Assets, Fair Value Disclosure
Vested and expected to vest (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Name
Measure Name
Debt instrument, periodic payment, interest only, term
Debt Instrument, Periodic Payment, Interest Only, Term
Debt Instrument, Periodic Payment, Interest Only, Term
Organization, Consolidation And Presentation Of Financial Statements [Table]
Organization, Consolidation And Presentation Of Financial Statements [Table]
Organization, Consolidation And Presentation Of Financial Statements [Table]
Accounts payable
Accounts Payable, Current
Pay vs Performance Disclosure [Line Items]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Other
Other Noncash Income (Expense)
2031
Lessee, Operating Lease, Liability, to be Paid, Year Five
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Entity Filer Category
Entity Filer Category
Supplemental disclosure of non-cash investing and financing transactions:
Supplemental Cash Flow Elements [Abstract]
Name
Trading Arrangement, Individual Name
Cash and cash equivalents
Cash and Cash Equivalent
Measurement Input, Expected Term
Measurement Input, Expected Term [Member]
Company Selected Measure Amount
Company Selected Measure Amount
Roots Pharmaceutical
Roots Pharmaceutical [Member]
Roots Pharmaceutical
Weighted average remaining contractual life, vested and expected to vest
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Performance Shares Subject To Letter Agreement Regarding Equity Awards
Performance Shares Subject To Letter Agreement Regarding Equity Awards [Member]
Performance Shares Subject To Letter Agreement Regarding Equity Awards
Issuance of common stock for stock option exercises and restricted stock unit vesting, net (in shares)
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Share-Based Payment Arrangement, Options Subject To Letter Agreement Regarding Equity Awards
Share-Based Payment Arrangement, Options Subject To Letter Agreement Regarding Equity Awards [Member]
Share-Based Payment Arrangement, Options Subject To Letter Agreement Regarding Equity Awards
Current assets
Assets, Current [Abstract]
Derivative liability
Derivative Liability
Non-PEO NEO
Non-PEO NEO [Member]
Entity Address, Address Line One
Entity Address, Address Line One
Right-of-use asset related to operating leases
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Vested (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Subsidiary, Sale of Stock [Line Items]
Subsidiary, Sale of Stock [Line Items]
Award Timing Method
Award Timing Method [Text Block]
Basis of Consolidation
Consolidation, Policy [Policy Text Block]
Net increase (decrease) in cash, cash equivalents and restricted cash
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Other
Other Research and Development Expense
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Research and development expense (excluding acquired in process cost)
Research and Development Expense (Excluding Acquired in Process Cost)
Net loss
Net loss
Net loss
Net Income (Loss) Attributable to Parent
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Less: unamortized debt issuance costs
Unamortized Debt Issuance Expense
Statement [Table]
Statement [Table]
Share-Based Payment Arrangement, Tranche Two
Share-Based Payment Arrangement, Tranche Two [Member]
Restatement Determination Date:
Restatement Determination Date [Axis]
Clinical
Accrued Liabilities, Clinical, Current
Accrued Liabilities, Clinical, Current
Interest income
Investment Income, Interest
Issuance of common stock upon exercise of warrants (in shares)
Stock Issued During Period, Shares, Warrants Exercised
Stock Issued During Period, Shares, Warrants Exercised
Exercisable (in USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Leases
Lessee, Leases [Policy Text Block]
Debt instrument, convertible, threshold consecutive trading days
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Number of lawsuits
Loss Contingency, New Claims Filed, Number
OCU200
Technology Pipeline, OCU200 [Member]
Technology Pipeline, OCU200
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]