Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Trading Arrangement:
Trading Arrangement [Axis]
Maximum
Maximum [Member]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Issuance of common stock to consultant for services rendered
Stock Issued During Period, Value, Issued for Services
Title of 12(b) Security
Title of 12(b) Security
Net loss attributable to Serina common stockholders, 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
Segment Reporting [Abstract]
Common stock, $0.0001 par value, 125000000 and 40,000 shares authorized; 25,400 and 10,767 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively
Common Stock, Value, Issued
Nature of Expense [Axis]
Nature of Expense [Axis]
Other prepaid expenses
Other Prepaid Expense, Current
Tranche liability
Tranche Liability [Policy Text Block]
Tranche Liability
Restatement Determination Date
Restatement Determination Date
Other long-term prepaid assets
Prepaid Expense Other, Noncurrent
Class of Warrant or Right [Domain]
Class of Warrant or Right [Domain]
Number of shares issuable for warrants (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Conversion price (in usd per share)
Debt Instrument, Convertible, Conversion Price
Amendment Flag
Amendment Flag
Current liabilities:
Liabilities, Current [Abstract]
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Fair value at inception
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Class of Warrant or Right [Table]
Class of Warrant or Right [Table]
At The Market Sales Agreement
At The Market Sales Agreement [Member]
At The Market Sales Agreement
Securities Under Tranche A
Securities Under Tranche A [Member]
Securities Under Tranche A
Change in fair value of warrants
Change in fair value of warrant liabilities, loss (gain)
Fair Value Adjustment of Warrants
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Entity Address, State or Province
Entity Address, State or Province
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
PEO Total Compensation Amount
PEO Total Compensation Amount
Foreign currency translation adjustment
Foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Common stock, par or stated value per share (in usd per share)
Common Stock, Par or Stated Value Per Share
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING, BASIC (in shares)
Weighted-average shares of common stock outstanding used to calculate basic net (loss) earnings per common share ( in shares)
Weighted Average Number of Shares Outstanding, Basic
Warrant aggregate purchase price
Warrant Aggregate Purchase Price
Warrant Aggregate Purchase Price
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Tranche Liability
Tranche Liability [Member]
Tranche Liability
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Number of reportable segments
Number of Reportable Segments
Warrants expired (in shares)
Class Of Warrant Or Right, Expired
Class Of Warrant Or Right, Expired
Total current liabilities
Liabilities, Current
Convertible Note, net
Convertible Debt, Noncurrent
Post-Merger Warrants and Incentive Warrants
Post-Merger Warrants and Incentive Warrants [Member]
Post-Merger Warrants and Incentive Warrants
Entity Address, City or Town
Entity Address, City or Town
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Statement of Financial Position [Abstract]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Class of Stock [Axis]
Class of Stock [Axis]
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
NET LOSS ATTRIBUTABLE TO SERINA COMMON STOCKHOLDERS
Net loss attributable to Serina common stockholders, basic
Net Income (Loss) Available to Common Stockholders, Basic
OTHER INCOME (EXPENSE), NET
Nonoperating Income (Expense) [Abstract]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
2025 Convertible Note
2025 Convertible Note [Member]
2025 Convertible Note
Release of restricted stock units to consultant for services rendered (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Professional and outside service fees
Professional and Outside Service Fees [Member]
Professional and Outside Service Fees
Recently issued accounting pronouncements not yet adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Sale of stock, stock expired and unexercised, amount
Sale of Stock, Stock Expired and Unexercised, Amount
Sale of Stock, Stock Expired and Unexercised, Amount
Segment Reporting
Segment Reporting [Table Text Block]
Noncontrolling Interest
Noncontrolling Interest [Member]
Use of estimates
Use of Estimates, Policy [Policy Text Block]
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Schedule of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Percentage of common share
Percentage Of Common Share Issue
Percentage Of Common Share Issue
Schedule of Reconciliation of Warrant Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Debt, net carrying value
Long-Term Debt
Class of warrant or right, exercise price of warrants or rights (in usd per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Document Period End Date
Document Period End Date
Changes in operating assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
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]
Unrecognized tax benefits
Unrecognized Tax Benefits
Preferred stock, shares, outstanding (in shares)
Beginning balance preferred stock (in shares)
Ending balance preferred stock (in shares)
Preferred Stock, Shares Outstanding
Debt, face amount
Debt Instrument, Face Amount
Juvenescence Limited
Juvenescence Limited [Member]
Juvenescence Limited [Member]
Stockholders’ Equity (Deficit)
Equity [Text Block]
Security Exchange Name
Security Exchange Name
Debt term
Debt Instrument, Term
Change in fair value of liability classified instruments
Change in Fair Value of Liability Classified Capital Instruments
Change in Fair Value of Liability Classified Capital Instruments
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Shell Company
Entity Shell Company
Change in fair value
Change in fair value
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Merger Agreement
Merger Agreement [Member]
Merger Agreement [Member]
Authorized shares (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Issuance of common stock to consultant for services rendered (in shares)
Stock Issued During Period, Shares, Issued for Services
Segment reporting
Segment Reporting, Policy [Policy Text Block]
Net Loss Per Common Share
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
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
TOTAL LIABILITIES
Liabilities
Trading Symbol
Trading Symbol
Preferred stock converted into common stock (in shares)
Convertible Preferred Stock, Shares Issued upon Conversion
Purchase of 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]
Cost not yet recognized, amount
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
DENOMINATOR
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Company Selected Measure Name
Company Selected Measure Name
Sale of Stock [Domain]
Sale of Stock [Domain]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Fair Value Measurements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES:
Noncash Investing and Financing Items [Abstract]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
OPERATING ACTIVITIES:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Compensation Amount
Outstanding Recovery Compensation Amount
Individual:
Individual [Axis]
Warrants
Warrant [Member]
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING, DILUTED (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Entity Emerging Growth Company
Entity Emerging Growth Company
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Reportable Segment
Reportable Segment [Member]
Reportable Segment
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Schedule of Prepaid Expenses and Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Non-Project specific
Non-Project Specific [Member]
Non-Project Specific
Deemed dividend
Convertible Preferred Stock, Deemed Dividend
Convertible Preferred Stock, Deemed Dividend
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Exercised, aggregate 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]
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Warrant liability, non-current
Warrants And Rights Outstanding, Noncurrent
Warrants And Rights Outstanding, Noncurrent
All Executive Categories
All Executive Categories [Member]
Operating lease liabilities
Increase (Decrease) in Operating Lease Liability
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Preferred stock, no 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]
Contingent Warrants
Contigent Warrants [Member]
Contigent Warrants
Depreciation
Depreciation
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
Right of use assets - operating leases
Operating Lease, Right-of-Use Asset
Issuance of common stock for Series A Convertible Preferred stock dividends (in shares)
Stock Issued During Period, Shares, New Issues, Dividends
Stock Issued During Period, Shares, New Issues, Dividends
Schedule of Basic and Diluted Net Loss Per Common Share Attributable to Common Shareholders
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Segment Reporting
Segment Reporting [Text Block]
Minimum
Minimum [Member]
Expiration Date
Trading Arrangement Expiration Date
Class of Warrant or Right [Axis]
Class of Warrant or Right [Axis]
Location, Statement of Income, Balance [Axis]
Location, Statement of Income, Balance [Axis]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
TOTAL STOCKHOLDERS' EQUITY (DEFICIT)
Beginning balance
Ending balance
Equity, Including Portion Attributable to Noncontrolling Interest
Weighted average remaining contractual term
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]
Pre-Funded Warrants
Pre-Funded Warrants and Common Stock [Member]
Pre-Funded Warrants and Common Stock
Options exercisable, (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Issuance costs
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Redemption price (in usd per share)
Class Of Warrant Or Right Redemption Price Of Warrants Or Rights
Class Of Warrant Or Right Redemption Price Of Warrants Or Rights
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Options exercisable, aggregate intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Number of shares issued (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Post Merger Warrants
Post Merger Warrants [Member]
Post Merger Warrants [Member]
Exercise Price
Award Exercise Price
INVESTING ACTIVITIES:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Warrant liability
Warrants And Rights Outstanding, Current
Liability classified warrants.
Document Quarterly Report
Document Quarterly Report
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]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
At beginning of the period
At end of the period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Restricted stock units released to consultant for services rendered
Restricted Stock or Unit Expense
Effect of foreign currency on cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Equity Component [Domain]
Equity Component [Domain]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Total
Accrued Liabilities, Fair Value Disclosure
Net proceeds
Sale of Stock, Consideration Received on Transaction
Adoption Date
Trading Arrangement Adoption Date
Counterparty Name [Domain]
Counterparty Name [Domain]
Warrants issued with convertible debt
Adjustments To Additional Paid In Capital, Warrant Reclassified
Adjustments To Additional Paid In Capital, Warrant Reclassified
Debt, interest rate
Debt Instrument, Interest Rate, Stated Percentage
Total other income (expense), net
Total other income (expense), net
Nonoperating Income (Expense)
Financial commitment assets
Financial Commitment Assets, Current
Financial Commitment Asset
NeuroAirmid Therapeutics Inc
NeuroAirmid Therapeutics Inc [Member]
NeuroAirmid Therapeutics Inc [Member]
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]
Warrants issued (in shares)
Class Of Warrant Or Right, Issued
Stock issued during period shares warrant issued.
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
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Prepaid expenses and other current assets
Total prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Securities purchase agreement days
Securities Purchase Agreement, Threshold Days
Securities Purchase Agreement, Threshold Days
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]
Selected Balance Sheet Components
Supplemental Balance Sheet Disclosures [Text Block]
Private Placement
Private Placement [Member]
Prepaid research and development services
Prepaid Research And Development Services
Prepaid Research And Development Services
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table]
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table]
Proceeds from issuance of common stock and warrants
Proceeds Of Issuance Of Common Stock And Warrants
Proceeds Of Issuance Of Common Stock And Warrants
Incentive Warrants
Incentive Warrants [Member]
Incentive Warrants [Member]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Expected dividend yield
Measurement Input, Expected Dividend Rate [Member]
Antidilutive securities (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Number of operating segments
Number of Operating Segments
Schedule of Potentially Dilutive Common Shares
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Entity Central Index Key
Entity Central Index Key
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Share price threshold (in usd per share)
Warrants and Rights Outstanding, Share Price Threshold For Exercise
Warrants and Rights Outstanding, Share Price Threshold For Exercise
Warrants, issuable on each funding date, percentage of issuable shares upon debt conversion
Class of Warrant or Right, Issuable On Each Funding Date, Percentage Of Issuable Shares Upon Debt Conversion
Class of Warrant or Right, Issuable On Each Funding Date, Percentage Of Issuable Shares Upon Debt Conversion
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
Net cash used in operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Preferred stock, liquidation preference
Preferred Stock, Liquidation Preference, Value
Income Statement [Abstract]
Stockholders’ equity (deficit):
Equity, Attributable to Parent [Abstract]
Document Transition Report
Document Transition Report
Investment, Name [Axis]
Investment, Name [Axis]
Preferred stock, dividend rate, percentage
Preferred Stock, Dividend Rate, Percentage
OPERATING EXPENSES
Operating Expenses [Abstract]
Adjustments to tranche liability
Adjustments to Additional Paid in Capital, Stock Issued, Tranche Liability, Gain (Loss)
Adjustments to Additional Paid in Capital, Stock Issued, Tranche Liability, Gain (Loss)
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Percentage of net revenue
Equity Method Investment, Percentage Of Net Revenue
Equity Method Investment, Percentage Of Net Revenue
Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
City Area Code
City Area Code
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
All Individuals
All Individuals [Member]
Randall Moreadith [Member]
Randall Moreadith
Expected volatility
Expected volatility
Measurement Input, Price Volatility [Member]
Name
Forgone Recovery, Individual Name
Cost net yet recognized, period for recognition
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Statement [Line Items]
Statement [Line Items]
TOTAL ASSETS
Assets
Entity [Domain]
Entity [Domain]
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
At The Market Offering Program
At The Market Offering Program [Member]
At The Market Offering Program
OTHER COMPREHENSIVE LOSS
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract]
Proceeds from issuance of Series A convertible preferred stock, net
Proceeds from Issuance of Convertible Preferred Stock
Options granted, weighted average grant date fair value (in usd per share)
Grant price (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, Nonoperating
Stock-Based Awards
Share-Based Payment Arrangement [Text Block]
Issuance of stock (in shares)
Stock Issued During Period, Shares, New Issues
PEO
PEO [Member]
Total stock-based compensation expense
Share-Based Payment Arrangement, Expense
Additional shares of common stock authorized (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Issuance of common stock upon exercise of stock options (in shares)
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Accumulated Deficit
Retained Earnings [Member]
Operating lease liabilities, net of current portion
Operating Lease, Liability, Noncurrent
Total operating expenses
Operating Expenses
Series A Convertible Preferred Stock
Series A convertible preferred stock
Series A Preferred Stock [Member]
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Cancelled/Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Schedule of Estimates the Fair Value of Warrants
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, shares, outstanding (in shares)
Beginning balance common stock (in shares)
Ending balance common stock (in shares)
Common Stock, Shares, Outstanding
Award Timing Disclosures [Line Items]
NET LOSS ATTRIBUTABLE TO SERINA COMMON STOCKHOLDER, DILUTED (in usd per share)
Net loss per common share attributable to common stockholders, diluted (in usd per share)
Earnings Per Share, Diluted
Entity Current Reporting Status
Entity Current Reporting Status
Net cash provided by financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Interim Period, Costs Not Allocable [Domain]
Interim Period, Costs Not Allocable [Domain]
Total Shareholder Return Amount
Total Shareholder Return Amount
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Schedule of Liabilities Measured on Recurring Basis
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
Research and development
Research and Development Expense
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]
Share-Based Payment Arrangement [Abstract]
FINANCING ACTIVITIES:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Total revenues
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Property and equipment, net
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Automatic increase rate as a percentage of outstanding common stock
Share-Based Compensation Arrangement by Share-Based Payment Award, Automatic Increase Rate as a Percentage of Outstanding Stock
Share-Based Compensation Arrangement by Share-Based Payment Award, Automatic Increase Rate as a Percentage of Outstanding Stock
NUMERATOR
Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
Redemption period after event
Class of Warrant or Right Redemption Period After Event
Class of Warrant or Right Redemption Period After Event
Deemed dividend on down round provision from Series A Convertible Preferred Stock
Deemed Dividends, Convertible Stock, Noncash
Deemed Dividends, Convertible Stock, Noncash
Issuance of common stock upon exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Underlying Securities
Award Underlying Securities Amount
Less: Net loss attributable to noncontrolling interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Issuance of stock
Stock Issued During Period, Value, New Issues
Cancelled/Forfeited (in used per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Increase (Decrease) in Other Current Liabilities
Increase (Decrease) in Other Current Liabilities
Preferred Stock
Preferred Stock [Member]
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
2024 Equity Incentive Plan, Amended
2024 Equity Incentive Plan, Amended [Member]
2024 Equity Incentive Plan, Amended
Related Party Transaction [Table]
Related Party Transaction [Table]
Equity Method Investment [Table]
Equity Method Investment [Table]
Sale of Stock [Axis]
Sale of Stock [Axis]
Weighted-Average Remaining Contractual Term (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Other current assets
Other Assets, Current
Transfer of right‑of‑use assets to property and equipment upon title transfer
Property, Plant, and Equipment, before Accumulated Depreciation, Other Increase (Decrease)
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
All Trading Arrangements
All Trading Arrangements [Member]
Beginning balance
Ending balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
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
Proceeds from issuance of debt
Proceeds from Issuance of Debt
Debt, event of default, additional interest rate
Debt Instrument, Event Of Default, Additional Interest Rate, Percentage
Debt Instrument, Event Of Default, Additional Interest Rate, Percentage
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
2024 Equity Incentive Plan
2024 Equity Incentive Plan [Member]
2024 Equity Incentive Plan
Non-cash lease expense
Non-cash Lease Expense
Non-cash Lease Expense
Merger Warrants
Merger Warrants [Member]
Merger Warrants [Member]
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]
Entity File Number
Entity File Number
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Replacement Incentive Warrants
Replacement Incentive Warrants [Member]
Replacement Incentive Warrants
Schedule of Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Weighted- Average Exercise Price (per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, shares, issued (in shares)
Common Stock, Shares, Issued
Measure:
Measure [Axis]
Securities Under Tranche B
Securities Under Tranche B [Member]
Securities Under Tranche B
Equity Components [Axis]
Equity Components [Axis]
Stock-based compensation
Stock or Unit Option Plan Expense
Sale of stock, maximum aggregate offering price
Sale Of Stock, Maximum Aggregate Offering Price
Sale Of Stock, Maximum Aggregate Offering Price
Product and Service [Domain]
Product and Service [Domain]
Class of Stock [Line Items]
Class of Stock [Line Items]
Series A Convertible Preferred Stock
Series A Convertible Preferred Stock [Member]
Series A Convertible Preferred Stock
Entity Interactive Data Current
Entity Interactive Data Current
Less: Net loss attributable to noncontrolling interest
Less: Net loss attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Proceeds from issuance of common stock and warrants in connection with private placement, net
Proceeds From Issuance Of Common Stock And Warrants In Connection With Private Placement
Proceeds From Issuance Of Common Stock And Warrants In Connection With Private Placement
Juvenescence
Juvenescence [Member]
Juvenescence [Member]
Entity Small Business
Entity Small Business
COMPREHENSIVE LOSS ATTRIBUTABLE TO SERINA THERAPEUTICS, INC.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Debt instrument, unamortized discount
Debt Instrument, Unamortized Discount
Termination Date
Trading Arrangement Termination Date
Number of tranches
Debt Instrument, Number Of Tranches
Debt Instrument, Number Of Tranches
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]
Other current liabilities
Other Liabilities, Current
Collaboration Agreements
Collaborative Arrangement, Accounting Policy [Policy Text Block]
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]
Accrued expenses
Total accrued expenses
Accrued Liabilities, Current
Fair Value as of Grant Date
Award Grant Date Fair Value
2022 Warrants
2022 Warrants [Member]
2022 Warrants [Member]
Non-cash interest expense
Paid-in-Kind Interest
Basis of Presentation and Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
CASH AND CASH EQUIVALENTS:
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation [Abstract]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Arrangement Duration
Trading Arrangement Duration
Statement of Stockholders' Equity [Abstract]
Local Phone Number
Local Phone Number
Series A Convertible Stock Conversion
Series A Convertible Stock Conversion [Member]
Series A Convertible Stock Conversion
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Entity Registrant Name
Entity Registrant Name
Conversion of Preferred Series A stock into common stock
Preferred Stock, Convertible, Conversion Amount
Preferred Stock, Convertible, Conversion Amount
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Expected term (in years)
Expected term (in years)
Warrants and rights outstanding, term
Warrants and Rights Outstanding, Term
Commitments and contingencies (Note 9)
Commitments and Contingencies
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Warrants and rights outstanding, measurement input
Warrants and Rights Outstanding, Measurement Input
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Executive Category:
Executive Category [Axis]
Counterparty Name [Axis]
Counterparty Name [Axis]
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Liabilities and Equity [Abstract]
Options exercisable, weighted-average remaining contractual term
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term
All Award Types
Award Type [Domain]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Class of warrant or right, outstanding (in shares)
Class of Warrant or Right, Outstanding
Redeemable warrants period
Warrants and Rights Called For Redemption Period
Warrants and Rights Called For Redemption Period
Definitive Agreement
Definitive Agreement [Member]
Definitive Agreement
Private Placement and Reclassification of Tranche Liability
Private Placement and Reclassification of Tranche Liability [Member]
Private Placement and Reclassification of Tranche Liability
PEO Name
PEO Name
Series A Preferred Stock, Undeclared
Series A Preferred Stock, Undeclared [Member]
Series A Preferred Stock, Undeclared
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Concentration of credit risk and other risks and uncertainties
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Warrant liabilities
Warrant Liability, Fair Value Disclosure
Warrant Liability, Fair Value Disclosure
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Legal Entity [Axis]
Legal Entity [Axis]
Liability Class [Axis]
Liability Class [Axis]
Preferred stock dividends, impact
Preferred Stock Dividends, Income Statement Impact
Exercised (in usd per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Accounts payable
Increase (Decrease) in Accounts Payable
Other accrued expenses
Other Accrued Liabilities, Current
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
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]
Research program and services
Accrued Research Program And Services Expenses, Current
Accrued Research Program And Services Expenses, Current
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]
Organization, Business Overview and Liquidity
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
COMPREHENSIVE LOSS
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Debt Instrument [Axis]
Debt Instrument [Axis]
Equity method investment, ownership percentage
Equity Method Investment, Ownership Percentage
Settlement of Tranche Liability
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlement of Tranche Liability
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlement of Tranche Liability
Investment, Name [Domain]
Investment, Name [Domain]
NET LOSS ATTRIBUTABLE TO SERINA COMMON STOCKHOLDER, BASIC (in usd per share)
Net loss per common share attributable to common stockholders, basic (in usd per share)
Earnings Per Share, Basic
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Risk-free interest rate
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]
Award Type
Award Type [Axis]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Product and Service [Axis]
Product and Service [Axis]
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]
Cover [Abstract]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Equity Awards Adjustments
Equity Awards Adjustments [Member]
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)
Liabilities and Equity
Warrants exercised (in shares)
Class Of Warrant Or Right, Exercised
Class Of Warrant Or Right, Exercised
Project specific
Project Specific [Member]
Project Specific
Stock options
Share-Based Payment Arrangement, Option [Member]
Segments [Axis]
Segments [Axis]
Proceeds from issuance of preferred stock
Proceeds from Issuance of Preferred Stock and Preference Stock
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Plan Name [Axis]
Plan Name [Axis]
Loss on extinguishment of financial commitment assets and contingent warrants, net
Loss on extinguishment of financial commitment assets and contingent warrants, net
Gain (Loss) on Extinguishment of Financial Commitment Assets and Contingent Warrants, Net
Gain (Loss) on Extinguishment of Financial Commitment Assets and Contingent Warrants, Net
Reclassification of FCA to debt discount
Reclassification Of Financial Commitment Asset To Debt Discount
Reclassification Of Financial Commitment Asset To Debt Discount
Tabular List, Table
Tabular List [Table Text Block]
Additional paid-in capital
Additional Paid in Capital
Schedule of Stock Based Compensation Expense
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Other income, net
Other Nonoperating Income (Expense)
Grant revenues
Grant Revenues [Member]
Grant Revenues [Member]
Warrant Liabilities
Warrant Liabilities [Member]
Warrant Liabilities
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]
Beginning balance, aggregate intrinsic value
Ending balance, aggregate intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
General and administrative
General and Administrative Expense
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Sale of stock, price per share (in usd per share)
Sale of Stock, Price Per Share
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Initial recognition of Tranche Liability
Initial Recognition of Tranche Liability
Initial Recognition of Tranche Liability
Series A convertible preferred stock, $0.0001 par value, 5,000 shares authorized; zero and 965 issued and outstanding at June 30, 2026 and December 31, 2025, respectively; liquidation preference of $0 and $5,000 at June 30, 2026 and December 31, 2025, respectively
Preferred Stock, Value, Issued
Accrued compensation
Accrued Bonuses, Current
Adjustment to Compensation:
Adjustment to Compensation [Axis]
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]
Compensation
Compensation [Member]
Compensation
Redeemable Warrants
Redeemable Warrants
Redeemable Warrants [Member]
Redeemable Warrants
Change in fair value of tranche liability
Fair Value Adjustment of Tranche Liability
Fair Value Adjustment of Tranche Liability
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Securities Purchase Agreement
Securities Purchase Agreement [Member]
Securities Purchase Agreement
Pre-Funded Warrants
Pre-Funded Warrants [Member]
Pre-Funded Warrants
Name
Measure Name
Income Taxes
Income Tax Disclosure [Text Block]
Exercise of Pre-Funded Warrants, Private Placement
Exercise of Pre-Funded Warrants, Private Placement [Member]
Exercise of Pre-Funded Warrants, Private Placement
Accounts payable
Accounts Payable, Current
Pay vs Performance Disclosure [Line Items]
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Former AgeX Warrants
Former AgeX Warrants [Member]
Former AgeX Warrants
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Entity Filer Category
Entity Filer Category
Infrastructure management and facilities
Infrastructure Management and Facilities [Member]
Infrastructure Management and Facilities
Proceeds from investors
Proceeds From Investors
Proceeds From Investors
Name
Trading Arrangement, Individual Name
Cash and cash equivalents
Cash and Cash Equivalent
Jones Trading Institutional Services LLC
Jones Trading Institutional Services LLC [Member]
Jones Trading Institutional Services LLC
Company Selected Measure Amount
Company Selected Measure Amount
Sale of stock, sales agent commission percentage
Sale Of Stock, Sales Agent Commission Percentage
Sale Of Stock, Sales Agent Commission Percentage
Entity Address, Address Line Two
Entity Address, Address Line Two
Stock, Class of Stock [Table]
Stock, Class of Stock [Table]
NET LOSS
Net loss
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
AgeX Warrants
AgeX Warrants [Member]
AgeX Warrants
Current assets:
Assets, Current [Abstract]
Non-PEO NEO
Non-PEO NEO [Member]
Foreign currency translation and transactions
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Entity Address, Address Line One
Entity Address, Address Line One
Extinguishment
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Extinguishment
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Extinguishment
Award Timing Method
Award Timing Method [Text Block]
Principles of consolidation
Consolidation, Policy [Policy Text Block]
NET INCREASE IN CASH AND CASH EQUIVALENTS
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
NET LOSS ATTRIBUTABLE TO SERINA THERAPEUTICS, INC.
Net loss
Net Income (Loss) Attributable to Parent
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Statement [Table]
Statement [Table]
Series A Convertible Preferred Stock
Redeemable Convertible Preferred Stock [Member]
Restatement Determination Date:
Restatement Determination Date [Axis]
Class of warrant or right, number of securities called by each warrant or right (in shares)
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right
Proceeds from the exercise of stock options
Proceeds from Stock Options Exercised
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Release of restricted stock units to consultant for services rendered
Stock Issued During Period, Value, Restricted Stock Award, Gross
Options exercisable, weighted average exercise price (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
REVENUES
Revenues [Abstract]
Settlement of Tranche Liability
Settlement of Tranche Liability
Settlement of Tranche Liability
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Common stock issued to consultant for services rendered
Issuance of Stock and Warrants for Services or Claims