75000 - Document - Document and Entity Information
link:presentationLink
link:calculationLink
link:definitionLink
75010 - Statement - Condensed Consolidated Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
75020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
75030 - Statement - Condensed Consolidated Statements of Operations
link:presentationLink
link:calculationLink
link:definitionLink
75040 - Statement - Condensed Consolidated Statement of Changes in Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
75050 - Statement - Condensed Consolidated Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
995455 - Disclosure - Nature of Business and Basis of Presentation
link:presentationLink
link:calculationLink
link:definitionLink
995465 - Disclosure - Significant Accounting Policies
link:presentationLink
link:calculationLink
link:definitionLink
995475 - Disclosure - Intangible Asset
link:presentationLink
link:calculationLink
link:definitionLink
995485 - Disclosure - Inventory
link:presentationLink
link:calculationLink
link:definitionLink
995495 - Disclosure - Commitments and Contingencies
link:presentationLink
link:calculationLink
link:definitionLink
995505 - Disclosure - Equity
link:presentationLink
link:calculationLink
link:definitionLink
995515 - Disclosure - Revenue Recognition
link:presentationLink
link:calculationLink
link:definitionLink
995525 - Disclosure - Development, Commercialization and Supply Agreements
link:presentationLink
link:calculationLink
link:definitionLink
995535 - Disclosure - Leases
link:presentationLink
link:calculationLink
link:definitionLink
995545 - Disclosure - Significant Accounting Policies (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
995555 - Disclosure - Significant Accounting Policies (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995565 - Disclosure - Intangible Asset (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995575 - Disclosure - Inventory (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995585 - Disclosure - Commitments and Contingencies (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995595 - Disclosure - Equity (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995605 - Disclosure - Revenue Recognition (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995615 - Disclosure - Development, Commercialization and Supply Agreements (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995625 - Disclosure - Leases (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995635 - Disclosure - Nature of Business and Basis of Presentation - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995645 - Disclosure - Significant Accounting Policies - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995655 - Disclosure - Significant Accounting Policies - Summary of Impact of Accounts Receivable Reserves on Gross Trade Accounts Receivable Balances (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995665 - Disclosure - Significant Accounting Policies - Calculation of Net Loss and Number of Ordinary Shares and ADSs Used to Compute Basic and Diluted Net Loss per Ordinary Share and ADS (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995675 - Disclosure - Significant Accounting Policies - Anti-Dilutive Securities Not Included in the Computation of Net Loss per Share (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995685 - Disclosure - Significant Accounting Policies - Estimated Fair Value of Assets and Liability (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995695 - Disclosure - Significant Accounting Policies - Summary of Reportable Segment Profit or Loss Including Significant Reportable Segment Expenses (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995705 - Disclosure - Significant Accounting Policies - Summary of Reportable Segment Profit or Loss Including Significant Reportable Segment Expenses (Parenthetical) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995715 - Disclosure - Significant Accounting Policies - Summary of Restructuring Charges (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995725 - Disclosure - Significant Accounting Policies - Change in Restructuring Liability (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995735 - Disclosure - Intangible Asset - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995745 - Disclosure - Intangible Asset - Schedule of Carrying Value of Intangible Asset (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995755 - Disclosure - Inventory - Schedule of Inventory (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995765 - Disclosure - Inventory - Schedule of Inventory (Parenthetical) (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995775 - Disclosure - Inventory - Additional Information (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995785 - Disclosure - Commitments and Contingencies - Schedule of Antitrust Class Action Lawsuits (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995795 - Disclosure - Commitments and Contingencies - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995805 - Disclosure - Equity - ADS - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995815 - Disclosure - Equity - Incentive Equity Awards - Summarizes the Aggregate Number of Stock Options And Restricted Stock Unit (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995825 - Disclosure - Equity - Incentive Equity Awards - Summary of Equity Awards Activity (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995835 - Disclosure - Equity - Incentive Equity Awards - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995845 - Disclosure - Revenue Recognition - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995855 - Disclosure - Revenue Recognition - Summarize Activity of the Net Product Revenue Allowance and Reserve Categories (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995865 - Disclosure - Development, Commercialization and Supply Agreements - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995875 - Disclosure - Development, Commercialization and Supply Agreements - Summary of Transaction Price Comprising Upfront Payments and Milestones (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995885 - Disclosure - Development, Commercialization and Supply Agreements - Summary of Product Approval (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995895 - Disclosure - Development, Commercialization and Supply Agreements - Summary of VAZKEPA Available Under Individual Reimbursement or Received National Reimbursement and Launched Commercial Operations (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995905 - Disclosure - Development, Commercialization and Supply Agreement - Recognized Revenues Changes in Contract Asset and Contract Liability Balances (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995915 - Disclosure - Leases - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995925 - Disclosure - Leases - Maturity Analysis of Undiscounted Payments for Operating Lease Liabilities and Reconciliation with Carrying Amount of Lease Liability (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995935 - Disclosure - Leases - Maturity Analysis of Undiscounted Payments for Operating Lease Liabilities and Reconciliation with Carrying Amount of Lease Liability (Detail) 2
link:presentationLink
link:calculationLink
link:definitionLink
995945 - Disclosure - Leases - Summary of Components of Lease Income (Details)
link:presentationLink
link:calculationLink
link:definitionLink
995955 - Disclosure - Leases - Summary of Future Minimum Sales Type Lease and Operating Lease Receivables (Details)
link:presentationLink
link:calculationLink
link:definitionLink
American Depositary Shares
American depositary share.
American Depositary Share [Member]
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]
Outstanding RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Beginning Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Restricted stock units, outstanding
Cash expenditures
Restructuring Reserve
Restructuring Reserve, Total
Balance at December 31, 2025
Balance at June 30, 2026
Concentration Risk Type [Axis]
Concentration Risk Type
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Initial recognition of furniture, fixtures and equipment lease
Initial Recognition Of Furniture Fixtures And Equipment Lease
Initial recognition of furniture fixtures and equipment lease.
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Estimated Fair Value of Assets and Liability
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Supplemental disclosure of non-cash transactions:
Cash discount percent.
Cash Discount Percent
Sales discount percentage
Loss Contingency, Actions Taken by Court, Arbitrator or Mediator
Civil Action #
Plan Name [Axis]
Plan Name
Equity [Abstract]
Entity Current Reporting Status
Entity Current Reporting Status
Aggregate stock or cash payment upon potential market approval
Potential Milestone Payment Upon Marketing Approval
Potential milestone payment upon marketing approval.
Operating Expenses [Abstract]
Operating expenses:
Fair Value, Inputs, Level 2 [Member]
Level 2
Additional accured estimated liability
Additional Accured Estimated Liability
Additional accured estimated liability.
Bridgewater.
Bridgewater [Member]
Bridgewater
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Litigation Case Six
Litigation Case Six [Member]
Litigation case six.
Non Cash Stock-based Compensation Expense
Non cash stock-based compensation expense.
Non-cash stock-based compensation expense
Marine.
Marine [Member]
MARINE
Product and Service [Axis]
Product and Service
Document Fiscal Period Focus
Document Fiscal Period Focus
Revenue from Contract with Customer [Abstract]
Entity Shell Company
Entity Shell Company
Summary of Future Minimum Sales Type Lease and Operating Lease Receivables
Sales Type And Direct Financing Leases Lease Receivable And Lessor Operating Lease Payments To Be Received Maturity [Table Text Block]
Sales type and direct financing leases lease receivable and lessor operating lease payments to be received maturity.
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
Segment Reporting, Policy [Policy Text Block]
Segment and Geographical Information
Cash and Cash Equivalents, at Carrying Value, Ending Balance
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalent
Cash and cash equivalents
Milestone Payment
Milestone payment
Milestone payment.
Regulatory Agency [Domain]
Regulatory Agency
Dublin
Dublin [Member]
Dublin.
Litigation Settlement, Fee Expense
Litigation-related charges
Common Stock, Shares, Issued, Total
Common Stock, Shares, Issued
Ordinary Shares, issued
Lessee, Operating Lease, Description
Description of lease agreement
Asset Class [Domain]
Asset Class
Statement [Table]
Statement [Table]
Internal Revenue Service (IRS) [Member]
Internal Revenue Service (IRS)
Interest Receivable
Interest receivable in investment securities
Non-refundable milestone payment
Nonrefundable Milestone Payment
Nonrefundable milestone payment.
Non-refundable milestone payment
Initial recognition of operating lease right-of-use asset.
Initial Recognition Of Operating Lease Right Of Use Asset
Initial recognition of operating lease right-of-use asset
Statement [Line Items]
Statement [Line Items]
Revenue from Contract with Customer [Policy Text Block]
Revenue Recognition
Loss Contingency, Lawsuit Filing Date
Date Filed
Entity Filer Category
Entity Filer Category
Liabilities and Equity
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY
Vehicles [Member]
Vehicles
Purchases of securities
Payments to Acquire Marketable Securities, Total
Payments to Acquire Marketable Securities
Long-Lived Tangible Asset [Axis]
ROMANIA
Romania
Change in Restructuring Liability
Restructuring and Related Costs [Table Text Block]
Deferred Revenue [Domain]
Deferred Revenue
Lessee, Operating Lease, Option to Terminate
Lease termination description
UNITED ARAB EMIRATES
United Arab Emirates
Intangible asset estimated weighted- average remaining life
Finite-Lived Intangible Assets, Remaining Amortization Period
Intangible assets estimated weighted-average remaining useful life
Stock Options
Global Restructuring Plan [Member]
Global restructuring plan.
Global Restructuring Plan
Investment Income, Interest
Interest income, net
NonRule10b51ArrModifiedFlag
Nonrule10b51arrmodifiedflag.
Non-Rule 10b5-1 Arrangement Modified
Geographical [Domain]
Inventory, Finished Goods, Gross
Finished goods
Inventory, Finished Goods, Gross, Total
Cash and Cash Equivalents and Restricted Cash
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Asset-Backed Securities [Member]
Asset Backed Securities
Increase (Decrease) in Accounts Payable and Other Operating Liabilities
Accounts payable and other current liabilities
Costs Associated with Exit or Disposal Activity or Restructuring [Policy Text Block]
Restructuring
Schedule of Inventory, Current [Table Text Block]
Schedule of Inventory
Area under sub-lease agreement
Area under Sub-lease Agreement
Area under sub-lease agreement.
Significant Accounting Policies [Text Block]
Significant Accounting Policies
Non-employee Director
Non-employee [Member]
Non-employee.
Valuation allowances provisions and reserves balance net.
Valuation Allowances Provisions And Reserves Balance Net
Ending balance
Beginning balance
Disaggregation of Revenue [Table]
Disaggregation Of Revenue [Table]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Calculation of Net Loss and Number of Ordinary Shares and ADSs Used to Compute Basic and Diluted Net Loss per Ordinary Share and ADS
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense
Provision related to current period sales
Earnings Per Share, Basic, Total
Basic
Net loss per share-basic
Loss per share - basic
Outstanding Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Stock options, outstanding
Employee Restructuring Separation Charges
Employee Restructuring Separation Charges
Employee restructuring separation charges
Interest Income (Expense), Nonoperating
Interest income, net
Interest Income (Expense), Nonoperating, Total
Operating lease income
Operating Lease, Lease Income
Operating Lease, Lease Income, Total
Liabilities, Current
Total current liabilities
Product expiration period upon conversion into capsule form.
Product Expiration Period Upon Conversion Into Capsule Form
Product expiration date after being converted into capsule form
Regulatory development support
Regulatory Development Support
Regulatory development support
HLS Therapeutics Incorporation.
H L S Therapeutics Incorporation [Member]
HLS
Increase (Decrease) in Accounts Receivable
Accounts receivable, net
Adjustments to reconcile loss to net cash used in operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Litigation Case Three [Member]
Litigation case three.
Litigation Case Three
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Credits/payments made for current period sales
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Trade Allowances
Equity, Attributable to Parent [Abstract]
Stockholders’ Equity:
Entity Small Business
Entity Small Business
Non-refundable milestone payment received
Nonrefundable Milestone Payment Received
Nonrefundable milestone payment received.
Retained Earnings (Accumulated Deficit), Ending Balance
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Accumulated deficit
Non refundable upfront payments received period.
Non Refundable Upfront Payments Received Period
Non-refundable up-front received period
Sale of Stock, Price Per Share
Sale of stock per share
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Credits/payments made for prior period sales.
Credits Payments Made For Prior Period Sales
Credits/payments made for prior period sales
Leases [Abstract]
Other Incentives
Other incentive programs.
Other Incentive Programs [Member]
Contract with Customer, Liability, Total
Contract with Customer, Liability
Deferred revenue, Balance at End of Period
Deferred revenue, Balance at Beginning of Period
Deferred revenue
Issuance of common stock for milestone payment (in shares)
Stock Issued During Period, Shares, Issued for Milestone Payment
Stock issued during period, shares, issued for milestone payment.
Lessee, Lease, Description [Line Items]
Lessee Lease Description [Line Items]
Amendment Flag
Amendment Flag
Product and Service [Domain]
Product and Service
Loss Contingencies [Line Items]
Inventory Disclosure [Text Block]
Inventory
LEBANON
Lebanon
Change in estimate recognized
Change in estimate recognized
Earnings Per Share, Policy [Policy Text Block]
Loss per Share
Earnings (Loss) per Share
Up-front payment
Non-refundable and non-creditable upfront payment.
Non Refundable And Non Creditable Upfront Payment
Liabilities and Equity [Abstract]
LIABILITIES AND STOCKHOLDERS’ EQUITY
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash provided by operating activities
Number of customers.
Number Of Customers
Number of customers
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Common Stock [Member]
Common Shares
Ordinary Shares
Issuance of common stock for milestone payment
Stock Issued During Period, Value, Issued for Milestone Payment
Stock issued during period, value, issued for milestone payment.
Lessee, Operating Lease, Liability, to be Paid, Year Three
2029
Entity Address, Address Line One
Entity Address, Address Line One
Fair Value Hierarchy and NAV [Axis]
Level 2
Earnings Per Share [Abstract]
Loss per Ordinary Share:
Income Tax, Policy [Policy Text Block]
Income Taxes
Supplemental Cash Flow Information [Abstract]
Supplemental disclosure of cash flow information:
Sales-Type and Direct Financing Leases, Payment to be Received, Year Four
Sales-Type Leases, 2030
Operating Lease, Right-of-Use Asset
Operating lease right-of-use asset
Direct/Indirect Purchasers
Loss Contingency, Actions Taken by Plaintiff
Number of Countries to Develop and Commercialize Vazkepa
Number of countries to develop and commercialize vazkepa.
Number of countries to develop and commercialize VAZKEPA
Inventory Disclosure [Abstract]
Document Type
Document Type
Income taxes
Income Taxes Paid, Net, Total
Income Taxes Paid, Net
Gross margin
Gross Profit
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
VASCEPA 1-gram.
V A S C E P A One Gram [Member]
VASCEPA 1-Gram
Amounts to be received upon achievement of the regulatory milestone events
Eligible Regulatory Milestone Events To be Received
Eligible regulatory milestone events to be received.
Achievement of the REDUCE-IT trial.
Achievement of Reduce IT Trial [Member]
Achievement of REDUCE-IT Trial
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative
Entity Central Index Key
Entity Central Index Key
Accounts Receivable, Allowance for Credit Loss, Current
Trade allowances
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
NET INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Subsequent Event
Subsequent Event Type [Domain]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Anti-dilutive securities
Patrick Holt
Patrick Holt [Member]
Patrick Holt.
Commitments and contingencies disclosure.
Commitments And Contingencies Disclosure [Line Items]
Commitments And Contingencies Disclosure [Line Items]
Common Stock, Par or Stated Value Per Share
Ordinary Shares, par value per share
License And Collaboration Agreements [Line Items]
License And Collaboration Agreements [Line Items]
License And Collaboration Agreements [Line Items]
Cash paid during the year for:
Cash Paid During Period For [Abstract]
Cash Paid During Period For [Abstract]
Stock Options Issued
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Exercise of stock options (in shares)
Medicaid rebate
Exclusion Of Medicaid Change In Estimate [Member]
Exclusion Of Medicaid Change In Estimate [Member]
Expected restructuring charges
Restructuring and Related Cost, Expected Cost
Restructuring and Related Cost, Expected Cost, Total
Stock acceleration
Restructuring Charges, Stock Accelerations
Restructuring charges, stock accelerations.
Stock acceleration
Product launch year and month.
Product Launch Year and Month
Launch Date
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Quarterly Report
Document Quarterly Report
Litigation Case [Domain]
Event-related milestone payments receivable
Eligible Event Related Milestone Payments To Be Received
Eligible event related milestone payments to be received.
Cumulative Restructuring Charges
Cumulative restructuring charges.
Cumulative restructuring charges
Geographical [Axis]
Deferred revenue, Deductions
Contract with Customer, Liability, Revenue Recognized
Revenue recognized related to upfront and milestone payments
Deferred revenue, Deductions
Increase (Decrease) in Accrued Interest Receivable, Net
Interest receivable
Accured estimated liability.
Accured estimated liability
Accured Estimated Liability
Revenue, Practical Expedient, Financing Component [true false]
Effect of significant financing component when transfer and customer payment of good or service occurs within one year or less
Accounts Receivable [Member]
Accounts Receivable
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Treasury shares for settlement of employee tax obligations
Ordinary shares retained for settlement of employee tax obligations
Inventory, Raw Materials, Gross
Raw materials
Inventory, Raw Materials, Gross, Total
Licensing Revenue
License [Member]
Stock Issued During Period, Value, Stock Options Exercised
Exercise of stock options
Accounts Receivable, Allowance for Chargebacks, Current
Accounts receivable, allowance for chargebacks, current.
Chargebacks
Collaborative Arrangement Disclosure [Text Block]
Development, Commercialization and Supply Agreements
Summary of Transaction Price Upfront and Milestones
Summary of Transaction Price Upfront and Milestones [Table Text Block]
Summary of Transaction Price
Proceeds from Sale and Maturity of Marketable Securities, Total
Proceeds from Sale and Maturity of Marketable Securities
Maturities of securities
Subsequent Event
Subsequent Event [Member]
Finished goods deemed not saleable
Finished Goods Deemed Not Saleable
Finished goods deemed not saleable
Gross Proceeds
Proceeds From Stock Options Exercised Gross
Proceeds from stock options exercised gross.
Adjusted measure of performance and additional license revenue recognized
Adjusted Measure Of Performance And Additional License Revenue Recognized
Adjusted measure of performance and additional license revenue recognized.
Cash and short-term investments
Cash And Short Term Investments
Cash and short term investments.
Aaron Berg
Aaron Berg [Member]
Aaron Berg [Member]
Other Assets, Noncurrent, Total
Other Assets, Noncurrent
Other long-term assets
Sales-Type Leases, Total
Sales-Type and Direct Financing Leases, Payment to be Received
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue Arrangement Type
Eligible Sales Based Milestone Events To be Received
Eligible sales based milestone events to be received.
Sales-based milestone event payment
Antidilutive Securities [Axis]
Antidilutive Securities
Additional product-related milestone payments receivable
Additional Product Related Milestone Payments Receivable
Additional product-related milestone payments receivable.
Performance-based restricted stock units.
Performance Based Restricted Stock Units [Member]
Performance-Based RSUs
Product approval year and month.
Product Approval Year and Month
Approval Date
Customer [Domain]
Customer
Treasury Stock, Common, Shares
Balance, Treasury Shares (in shares)
Treasury Stock, Shares
Stock incentive plan Twenty Twenty.
Stock Incentive Plan Twenty Twenty [Member]
Stock Incentive Plan 2020
Lessor, Lease, Description [Table]
Locations [Domain]
Locations [Domain]
Locations
Selling, General and Administrative Expense, Total
Selling, General and Administrative Expense
Selling, general and administrative
Loss recognized at commencement date of sales type lease
Sales-type Lease, Net Investment in Lease, Credit Loss Expense (Reversal)
Minimum
Minimum [Member]
Assets, Current [Abstract]
Current Assets:
Amortization of Intangible Assets
Amortization of intangible asset
Amortization of Intangible Assets, Total
Fair Value, Inputs, Level 3 [Member]
Level 3
Portugal
Litigation Case Two [Member]
Litigation case two.
Litigation Case Two
Liabilities, Current [Abstract]
Current Liabilities:
Product [Member]
Product Revenue, Net
Regulatory Approval
Regulatory Approval [Member]
Regulatory Approval.
Upfront payment receivable
Upfront Payment Receivable
Upfront payment receivable.
Shares, Outstanding
Balance (in shares)
Balance (in shares)
Triggering obligations amount
Maximum Triggering Obligations Amount
Maximum triggering obligations amount.
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts receivable, net
Accounts receivable, net
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Summary of Impact of Accounts Receivable Reserves on Gross Trade Accounts Receivable Balances
Lessee, Operating Lease, Renewal Term
Lease renewal term
Customer A.
Customer A [Member]
Customer A
Commitments and Contingencies
Commitments and contingencies (Note 5)
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves
Inventory, Work in Process, Gross
Work in process
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Shares issued, related to the vesting of RSUs
Ordinary Shares Issued in settlement of RSUs and Performance Based RSUs Vested
Summary of indication approval milestone.
Summary of Indication Approval Milestone [Table Text Block]
Summary of Indication Approval Milestone
General and Administrative Expense [Member]
General and Administrative Expense
Operating lease liability
Operating Lease, Liability
Operating Lease, Liability, Total
Business Development [Domain]
Business Development [Domain]
Business Development
Accounts Receivable, before Allowance for Credit Loss, Current
Gross trade accounts receivable
Number of renewal options.
Number Of Renewal Options
Number of renewal options
Cash and short term and long term investments.
Cash And Short Term And Long Term Investments
Cash and short-term and long-term investments
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark
Litigation Case Four
Litigation Case Four [Member]
Litigation case four.
Lessee, Lease, Description [Table]
Lessee Lease Description [Table]
Liabilities, Noncurrent [Abstract]
Long-Term Liabilities:
Outstanding Stock Options
Stockholders Equity Note [Line Items]
Stockholders Equity Note [Line Items]
Stockholders Equity Note [Line Items]
Summary of Restructuring Charges
Charges of recognized within Cost of goods sold restructuring inventory
Cost of goods and services sold restructuring inventory.
Less: Cost of goods sold - restructuring inventory
Restructuring Inventory
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Litigation Case One [Member]
Litigation case one.
Litigation Case One
Loss Contingencies [Table]
Basic
Weighted average shares outstanding - basic
Weighted average Ordinary Shares outstanding - basic
Weighted average Ordinary Shares outstanding - basic
Commitments and contingencies disclosure.
Commitments And Contingencies Disclosure [Table]
Commitments And Contingencies Disclosure [Table]
Scenario [Axis]
Scenario
Number of countries
Number of countries.
Segment Reporting, Expense Information Used by CODM, Description
Segment Reporting, Expense Information Used by CODM, Description
Summary of product approval.
Summary of Product Approval [Table Text Block]
Summary of Product Approval
Previously recorded accured estimated liability
Previously Recorded Accured Estimated Liability
Previously recorded accured estimated liability.
Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year
Operating Leases. Remainder of 2026
Long-Lived Tangible Asset [Domain]
Regulatory Approval in Europe
Regulatory Approval in Europe [Member]
Regulatory approval in Europe.
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Stock options, Granted
Further indication for AMR101.
Further Indication For A M R One Zero One [Member]
Further Indication for AMR101
APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Stock-based compensation
Rebates chargebacks and discounts.
Rebates Chargebacks And Discounts [Member]
Rebates, Chargebacks and Discounts
Balance
Total stockholders’ equity
Equity, Attributable to Parent
Balance
Business Developments [Axis]
Business Developments [Axis]
Business Developments
Edding [Member]
Edding.
Edding
Statement of Stockholders' Equity [Abstract]
Interest income from sales-type leases
Sales-type Lease, Interest Income
Rule10b51ArrModifiedFlag
Rule10b51arrmodifiedflag.
Rule 10b5-1 Arrangement Modified
Treasury Stock, Common [Member]
Treasury Shares
Treasury Stock
Entity Address, Address Line Two
Entity Address, Address Line Two
Research And Development Expenses
Research and development expenses.
Research and development
Mochida Pharmaceutical Co., Ltd.
Mochida Pharmaceutical Co., Ltd.
Mochida Pharmaceutical Co Ltd [Member]
Summarizes the Aggregate Number of Stock Options And Restricted Stock Unit
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Netherlands
United States
UNITED STATES
Product Information [Line Items]
VAZKEPA.
VAZKEPA [Member]
VAZKEPA
Inventory, Current [Table]
CSL Seqirus
CSL Seqirus [Member]
CSL Seqirus [Member]
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Inventory, Noncurrent, Total
Inventory, Noncurrent
Long-term inventory
Plan Name [Domain]
Plan Name
Document and entity information.
Document And Entity Information [Line Items]
Document And Entity Information [Line Items]
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]
Receivable [Policy Text Block]
Accounts Receivable, net
Certificates of Deposit [Member]
Certificates of Deposit
Lessor, Operating Lease, Payment to be Received, Year Two
Operating Leases, 2028
Treasury Stock, Value, Ending Balance
Treasury Stock, Value, Beginning Balance
Treasury Stock, Value, Total
Treasury Stock, Value
Treasury stock; 16,198,857 shares as of June 30, 2026; 13,633,477 shares as of December 31, 2025
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Undiscounted lease payments
Restructuring Plan [Axis]
Schedule of Antitrust Class Action Lawsuits
Schedule of Antitrust Class Action Lawsuits [Table Text Block]
Schedule of antitrust class action lawsuits.
Entity Address, City or Town
Entity Address, City or Town
Italy
Lotus Pharmaceuticals.
Lotus Pharmaceuticals [Member]
Lotus Pharmaceuticals
Number of Reportable Segments
Number of reportable segments
Security Exchange Name
Name of each exchange on which registered
Europe
Europe [Member]
Regulatory Agency [Axis]
Regulatory Agency
Long-Term Debt, Gross
Debt outstanding
Payment of milestone.
Payment Of Milestones
Milestones payment
Intangible Assets Disclosure [Text Block]
Intangible Asset
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Loss from operations before taxes
Product returns.
Product Returns [Member]
Product Returns
Concentration Risk Type [Domain]
Concentration Risk Type
Organizational Restructuring Plan
Organizational Restructuring Plan [Member]
Organizational restructuring plan.
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name
Current inventory
Inventory, Net
Total inventory
Inventory
Statistical Measurement [Domain]
Statistical Measurement
Assets, Current
Total current assets
Total current assets
Document Period End Date
Document Period End Date
Denmark
Title and Position [Axis]
Title of Individual
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Operating lease, liability, current, statement of financial position [Extensible List]
Clinical trial application.
Clinical Trial Application [Member]
Clinical Trial Application
Statement of Financial Position [Abstract]
Restricted Stock Units (RSUs)
Restricted Stock Units
Restricted Stock and Restricted Stock Units
Provision related to prior period sales.
Provision Related To Prior Period Sales
Provision related to prior period sales
Product Availability Year and Month
Product availability year and month.
Lessee, Operating Lease, Existence of Option to Terminate [true false]
Lease termination existence of option to extend
Antidilutive Security, Excluded EPS Calculation [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Class of Stock [Axis]
Class of Stock
QATAR
Qatar
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation And Qualifying Accounts Disclosure [Line Items]
BAHRAIN
Bahrain
Liabilities
Total liabilities
Sales-Type and Direct Financing Leases, Payment to be Received, Year One
Sales-Type Leases, 2027
Depreciation and amortization excluding amortization of intangible assets.
Depreciation And Amortization Excluding Amortization Of Intangible Assets
Depreciation and amortization
Lessee, Operating Lease, Liability, to be Paid, Year Two
2028
Milestone licensing revenue recognition
Milestone Licensing Revenue Recognition
Milestone licensing revenue recognition.
Chargebacks
Allowance for Estimated Chargebacks [Member]
Allowance For Estimated Chargebacks [Member]
Customer B.
Customer B [Member]
Customer B
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Valuation allowances and reserves
Finite-Lived Intangible Assets, Gross, Total
Finite-Lived Intangible Assets, Gross
Technology rights
Diluted
Weighted average Ordinary Shares outstanding - diluted
Weighted average Ordinary Shares outstanding - diluted
Weighted average shares outstanding - diluted
Securities Act File Number
Entity File Number
Restructuring Cash Obligations Charges Includes Cost Of Goods Sold Restructuring Inventory and Stock Accelerations Forfeitures
Restructuring cash obligations charges includes cost of goods sold restructuring inventory and stock accelerations forfeitures.
Restructuring cash obligations incurred
Cover [Abstract]
Prepaid Expense and Other Assets, Current
Prepaid and other current assets
Health, Canada.
Health Canada [Member]
Health Canada
Stock options, Vest
Share Based Compensation Arrangement By Share Based Payment Award Options Vest Percentage
Share Based Compensation Arrangement By Share Based Payment Award Options Vest Percentage
Revenue Benchmark [Member]
Gross Product Sales
Scenario [Domain]
Scenario
US Treasury Securities [Member]
U.S. Treasury Securities
Sales-Type and Direct Financing Leases, Payment to be Received, Year Two
Sales-Type Leases, 2028
Effective date of ratio change
Effective date of ratio change.
Number of Operating Segments
Number of operating segments
General and Administrative Expense
General and Administrative Expense, Total
General and administrative
Sales-Based Milestone
Sales-Based Milestone [Member]
Sales-based milestone member.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Valuation And Qualifying Accounts Disclosure [Table]
Revenue recognized related to upfront and milestone payments
Deferred revenue, Deductions
Contract With Customer Liability Revenue Recognized Including Opening Balance
Contract with customer liability revenue recognized including opening balance
Finite-Lived Intangible Assets, Net, Ending Balance
Finite-Lived Intangible Assets, Net, Beginning Balance
Finite-Lived Intangible Assets, Net
Intangible asset, net
Intangible asset, net
Operating Lease, Expense
Operating lease expense
Share-based compensation arrangement by share-based payment award, award cliff vesting period.
Share Based Compensation Arrangement By Share Based Payment Award Award Cliff Vesting Period
Stock units, Cliff Vesting Period
Percentage of outstanding common shares and preferred shares on fully diluted basis.
Percentage Of Outstanding Common Shares And Preferred Shares On Fully Diluted Basis
Percentage of outstanding shares on a fully diluted basis
% of outstanding on a fully-diluted basis
Nature of Operation, Product Information, Concentration of Risk [Table]
Restructuring
Restructuring expenses
Restructuring charges
Total restructuring expense
New Accounting Pronouncements, Policy [Policy Text Block]
Recent Accounting Pronouncements
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Maturity Analysis of Undiscounted Payments for Operating Lease Liabilities and Reconciliation with Carrying Amount of Lease Liability
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Contract with Customer, Liability, Current
Current deferred revenue
Number of regulatory milestone events indications.
Number Of Regulatory Milestone Events Indications
Number of indications of the regulatory milestone events relating to the submission and approval
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Stock units, Vesting Period
Allowance for doubtful account.
Allowance For Doubtful Account [Member]
Allowance for Doubtful Accounts
Zug switzerland member.
Zug Switzerland [Member]
Zug Switzerland
Lease agreement term
Lessee, Operating Lease, Term of Contract
Concentration of suppliers.
Concentration Of Suppliers Policy [Text Block]
Concentration of Suppliers
Long-term Investments, Total
Long-Term Investments
Long-term investments
Common Stock, Shares, Outstanding
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Ordinary Shares, outstanding
Stock Incentive Plan 2011.
Stock Incentive Plan Twenty Eleven [Member]
Stock Incentive Plan 2011
Operating Lease, Liability, Current
Current operating lease liability
Remaining performance period amount
Revenue, Remaining Performance Obligation, Amount
Document Transition Report
Document Transition Report
Short-term Investments, Total
Short-Term Investments
Short-term investments
Operating Expenses
Total operating expenses
Research and Development Expense, Total
Research and Development Expense
Research and development
Lessee, Operating Leases [Text Block]
Leases
Statement of Cash Flows [Abstract]
Non Refundable Upfront Payments Received
Non-refundable up-front received
Non refundable upfront payments received.
Assets, Fair Value Disclosure [Abstract]
Asset:
Purchase of furniture, fixtures and equipment
Disposal (Purchase) of Furniture, Fixtures and Equipment
Disposal (purchase) of furniture, fixtures and equipment.
Equity [Text Block]
Equity
Accounts and Financing Receivables [Table]
Schedule Of Accounts Notes Loans And Financing Receivable [Table]
Rest Of The World Except US And Europe [Member]
Rest Of The World Except US And Europe.
RoW
Summary of licensing revenue.
Summary of Licensing Revenue [Table Text Block]
Summary of Licensing Revenue
Additional estimated liability
Additional Estimated Liability
Additional estimated liability.
Debt Security, Government, Non-US [Member]
Non-US Government
Income (loss) for the period
Net loss
Individual Reimbursement Year and Month
Individual reimbursement year and month.
Increase (Decrease) in Inventories
Inventory
Increase (Decrease) in Inventories, Total
Inventory [Line Items]
VASCEPA 0.5-gram.
V A S C E P A Half Gram [Member]
VASCEPA 0.5-Gram
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Loss Earnings Per Share [Line Items]
License And Collaboration Agreements [Table]
License And Collaboration Agreements [Table]
License And Collaboration Agreements [Table]
Purchase Obligation, Total
Purchase Obligation
Future contractual purchase obligations without consideration
Assets [Abstract]
ASSETS
Income Tax Authority, Name [Axis]
Income Tax Authority, Name
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets, Total
Restructuring and Related Activities [Abstract]
Document Fiscal Year Focus
Document Fiscal Year Focus
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
CASH FLOWS FROM INVESTING ACTIVITIES:
Accounts Payable, Current, Total
Accounts Payable, Current
Accounts payable
Lessor, Operating Lease, Payment to be Received, Year One
Operating Leases, 2027
Research and Development Expense [Member]
Research and Development Expense
Scotland.
Scotland
Inventory deemed not saleable
Inventory Deemed Not Saleable
Inventory deemed not saleable.
Increase (Decrease) in Other Noncurrent Assets
Other long-term assets
Spain
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Changes in Balances of Contract Assets and Liabilities and Revenues Recognized
VASCEPA
VASCEPA.
VASCEPA [Member]
Restructuring Cost and Reserve [Line Items]
Exclusion of licensing revenue change in estimate
Exclusion Of Licensing Revenue Change In Estimate [Member]
Exclusion of licensing revenue change in estimate.
Gross Proceeds
Proceeds from Stock Options Exercised
Proceeds from exercise of stock options
Commitments and Contingencies Disclosure [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Year One
2027
Rent payment
Operating Leases, Rent Expense
Potential marketing approval 2.
Potential Marketing Approval Two [Member]
Potential Marketing Approval 2
Net Income (Loss) Available to Common Stockholders, Basic
Net Income (Loss) Available to Common Stockholders, Basic, Total
Net loss - basic
Loss Contingency, Laws Affected
Lawsuits
Vendor Contract Charges
Vendor contract charges
Assets, Fair Value Disclosure, Total
Assets, Fair Value Disclosure
Asset, fair value
Upfront fees and milestone payments
Upfront Fees and Milestone Payments Received
Upfront Fees and Milestone Payments Received
Location [Axis]
Location [Axis]
Location
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised
Proceeds from issuance of common stock under employee stock purchase plan
Concentration Risk, Percentage
Concentration risk percentage
Cost, Direct Material
Less: Cost of goods sold
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash (used in) provided by investing activities
Food and drug administration.
Food And Drug Administration [Member]
Food and Drug Administration
Title of 12(b) Security
Title of each class
REDUCE-IT.
Reduce IT [Member]
REDUCE-IT
Entity Address, Address Line Three
Entity Address, Address Line Three
Reduction in net loss
Change in net income loss
Change in net income loss
Money Market Funds [Member]
Money Market Fund
Consideration Payable [Member]
Consideration Payable.
Consideration Payable
Recordati Industria Chimica e Farmaceutica S.p.A. [Member]
Recordati Industria Chimica e Farmaceutica S.p.A.
Recordati Industria Chimica e Farmaceutica S.p.A.
Operating lease change in weighted average discount rate percent.
Operating Lease Change In Weighted Average Discount Rate Percent
Change in incremental borrowing rate
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Remainder of 2026
Operating Leases, Total
Receive rent payment
Lessor, Operating Lease, Payment to be Received
Other Liabilities, Noncurrent, Total
Other Liabilities, Noncurrent
Other long-term liabilities
Restructuring Plan [Domain]
Sublease commencement date
Lease Operating Sublease Commencement Date
Lease operating sublease commencement date.
Selling Expense
Selling
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in assets and liabilities:
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Lessor, Operating Lease, Payment to be Received, Year Four
Operating Leases, 2030
Additional Paid-in Capital [Member]
Additional Paid-in Capital
Additional license revenues
Additional License Revenues Upfront Payment and Prior Year Milestone Payments
Additional license revenues upfront payment and prior year milestone payments.
England/Wales
Measurement Frequency [Domain]
Measurement Frequency
Statement of Income Location, Balance [Axis]
Income Statement Location
Trading Symbol
Trading Symbol
Open tax year
Open Tax Year
Board of Directors
Director [Member]
Subsequent Event
Subsequent Event Type [Axis]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Carrying Value of Intangible Asset
Licensing and royalty.
Licensing And Royalty [Member]
Licensing and Royalty Revenue
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
CASH FLOWS FROM FINANCING ACTIVITIES:
Fair Value, Recurring [Member]
Fair Value, Measurements, Recurring
Rent payment
Lessee, Operating Lease, Liability, to be Paid
Total undiscounted payments
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Discount Adjustments
Equity Components [Axis]
Equity Components
Nonrefundable upfront and milestone payment received.
Nonrefundable Upfront and Milestone Payment Received
Total Trasanction Price
Total Trasanction Price
Equity Component [Domain]
Equity Component
Share-Based Payment Arrangement, Activity [Table Text Block]
Summary of Equity Awards Activity
Asset Class [Axis]
Asset Class
Automobiles [Member]
Automobiles
Lessor, Lease, Description [Line Items]
Goodwill and Intangible Assets Disclosure [Abstract]
Accrued liabilities and other liabilities current.
Accrued Liabilities And Other Liabilities Current
Accrued expenses and other current liabilities
Lease income
Lease Income
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Vesting of restricted stock units (in shares)
Issuance of common stock under employee stock purchase plan (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Customer [Axis]
Customer
Reduction in net loss.
Reduction In Net Loss
Reduction in net loss
Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years And Thereafter
Sales type and direct financing leases lease receivable payments to be received five years and thereafter.
Sales-Type Leases, 2030 and thereafter
Maximum [Member]
Maximum
Statistical Measurement [Axis]
Statistical Measurement
Additional regulatory milestone achievements
Additional Regulatory Milestone Achievements
Additional regulatory milestone achievements.
Contract with Customer, Liability, Noncurrent
Long-term deferred revenue
Summary of Reimbursement.
Summary of Reimbursement
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated amortization
Common Stock, Value, Issued, Ending Balance
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Total
Common Stock, Value, Issued
Ordinary Shares, GBP 0.50 par value per share, unlimited authorized; 436,242,879 shares issued, 420,044,022 shares outstanding as of June 30, 2026; 429,847,579 shares issued, 416,214,102 shares outstanding as of December 31, 2025
Estimated number of days following the end of the quarter before related revenue is recognized.
Deferred Revenue Recognition Period
Revenue recognition period of non-refundable up-front payment
Net Income (Loss) Available to Common Stockholders, Diluted
Net Income (Loss) Available to Common Stockholders, Diluted, Total
Net loss - diluted
Royalty [Member]
Royalties
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Long-Lived Asset Impairment
Document and entity information table.
Document And Entity Information [Table]
Document And Entity Information [Table]
Litigation Case Five [Member]
Litigation case five.
Litigation Case Five
KUWAIT
Kuwait
Payment, Tax Withholding, Share-Based Payment Arrangement
Taxes paid related to stock-based awards
Potential marketing approval 1.
Potential Marketing Approval One [Member]
Potential Marketing Approval 1
Repo Securities
Repo securities.
Repo Securities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenue from Contract with Customer [Text Block]
Revenue Recognition
Entity Registrant Name
Entity Registrant Name
Customer Concentration Risk [Member]
Customer Concentration Risk
Amarin Corporation Plc 2017 Employee Stock Purchase Plan
Amarin Corporation Plc Twenty Seventeen Employee Stock Purchase Plan [Member]
Amarin Corporation Plc twenty seventeen employee stock purchase plan.
Other Nonoperating Income (Expense), Total
Other Nonoperating Income (Expense)
Other income (expense), net
Additional Paid in Capital, Ending Balance
Additional Paid in Capital, Beginning Balance
Additional Paid in Capital, Total
Additional Paid in Capital
Additional paid-in capital
Income Tax Expense (Benefit)
Income Tax Expense (Benefit), Total
Provision for income taxes
Benefit from (provision for) income taxes
Measurement Frequency [Axis]
Measurement Frequency
Restructuring Reserve [Roll Forward]
Proceeds from the sale of common stock
Proceeds from Issuance of Common Stock
Sales-Type and Direct Financing Leases, Payment to be Received, Remainder of Fiscal Year
Sales-Type Leases, Remainder of 2026
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Concentration of Credit Risk
Sales-Type and Direct Financing Leases, Payment to be Received, Year Three
Sales-Type Leases, 2029
Greece
Payments
Payments for Restructuring
Payments
Short term lease period.
Short Term Lease Period
Short term lease period
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Stock units, Granted
Assets
Total assets
TOTAL ASSETS
Inventory, Policy [Policy Text Block]
Inventory
Ordinary Shares
Ordinary shares.
Ordinary Shares [Member]
Operating lease commencement date.
Operating Lease Commencement Date
Lease commencement date
Income Statement [Abstract]
Restructuring Cost [Table]
Fair Value of Financial Instruments, Policy [Policy Text Block]
Fair Value of Financial Instruments
National Reimbursement Year and Month
National Reimbursement Year and Month
Sale of Stock, Number of Shares Issued in Transaction
Stock issuance of shares
Operating Lease Termination Date
Operating lease termination date.
Lease termination date
Change in Contract with Customer, Liability [Abstract]
Revenue recognized in the period from:
Issuance of common stock, net of transaction costs (shares)
Stock Issued During Period, Shares, New Issues
Issuance of stock (shares)
Stockholders Equity Note [Table]
Stockholders Equity Note [Table]
Stockholders Equity Note [Table]
Recorded Unconditional Purchase Obligation
Recorded Unconditional Purchase Obligation, Total
Future contractual purchase obligations without consideration
Earnings Per Share, Diluted, Total
Diluted
Loss per share - diluted
Net loss per share-diluted
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Summary of Reportable Segment Profit or Loss Including Significant Reportable Segment Expenses
Additional upfront payment eligible to receive based on development, regulatory and sales Milestone
Additional Milestone Payments To be Received
Additional milestone payments to be received.
Title and Position [Domain]
Title of Individual
Slovenia
SLOVENIA
Stock Incentive Plan 2020 and 2011
Stock Incentive Plan Twenty Twenty And Twenty Eleven [Member]
Stock Incentive Plan 2020 and 2011.
City Area Code
City Area Code
Significant accounting policies.
Significant Accounting Policies [Line Items]
Significant Accounting Policies [Line Items]
In-licenses agreement.
In Licenses Agreement [Member]
In-licenses
Restricted Cash and Cash Equivalents, Current, Total
Restricted Cash and Cash Equivalent, Current
Restricted cash
Out-licenses agreement.
Out-licenses
Out Licenses Agreement [Member]
Issuance of common stock under employee stock purchase plan
Stock Issued During Period, Value, Employee Stock Purchase Plan
Payroll and payroll related expense
Payroll and Payroll Related Expense
Payroll and payroll related expense.
Litigation Case [Axis]
Stockholders' Equity Note, Stock Split, Conversion Ratio
Stockholders' Equity Note, Stock Split, Conversion Ratio
Ratio change on American Depositary Shares, or ADS
U.S. and Europe
United States and Europe [Member]
United States and Europe.
U.S. and Germany
United States and Germany [Member]
United States and Germany.
Property, Plant and Equipment, Net, Ending Balance
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant and Equipment, Net, Total
Property, Plant and Equipment, Net
Property, plant and equipment, net
Employees member.
Employees [Member]
Employees
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Vesting of restricted stock units
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD
Operating Income (Loss)
Operating loss
Retained Earnings [Member]
Accumulated Deficit
Entity Address, Country
Entity Address, Country
Summary of net product revenue valuation allowances.
Summary Of Net Product Revenue Valuation Allowances Table [Text Block]
Summarize Activity of the Net Product Revenue Allowance and Reserve Categories
Share-based Payment Arrangement, Noncash Expense, Total
Share-Based Payment Arrangement, Noncash Expense
Stock-based compensation
Lessor Operating Lease Payments To Be Received Five Years And Thereafter
Lessor operating lease payments to be received five years and thereafter.
Operating Leases, 2030 and thereafter
Operating Lease, Weighted Average Discount Rate, Percent
Incremental borrowing rate for purposes of calculation of lease liabilities
Operating Lease, Liability, Noncurrent
Long-term operating lease liability
Fair Value, Inputs, Level 1 [Member]
Level 1
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash used in financing activities
Lessor, Operating Lease, Payment to be Received, Year Three
Operating Leases, 2029
Investments [Member]
Investments Securities
Milestone payments received.
Milestone Payments Received
Milestone payments received
Inventory current and non-current.
Inventory Current and Non-current
Total inventory
Finland
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Anti-Dilutive Securities Not Included in the Computation of Net Loss per Share
Estimated Litigation Liability
Provision related to litigation matters
Corporate Debt Securities [Member]
Corporate Bonds
Entity Interactive Data Current
Entity Interactive Data Current
Increase (Decrease) in Contract with Customer, Liability
Deferred revenue
Summary of Components of Lease Income
Operating Lease, Lease Income [Table Text Block]
Statement of Income Location, Balance [Domain]
Income Statement Location
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES:
Austria
Accretion of investments
Accretion (Amortization) of Discounts and Premiums, Investments
Regulatory milestone achievements
Regulatory Milestone Achievements
Regulatory milestone achievements.
Increase (Decrease) in Other Noncurrent Liabilities
Other long-term liabilities
Estimated liability
Estimated Liability
Estimated liability.
Contract with customer liability revenue recognized excluding performance obligation satisfied in previous period.
Contract With Customer Liability Revenue Recognized Excluding Performance Obligation Satisfied In Previous Period
Amounts included in contract liability at the beginning of the period
Entity Tax Identification Number
Entity Tax Identification Number
Summary of transaction price comprising upfront payments and milestones.
Summary Of Transaction Price Comprising Upfront Payments And Milestones [Table Text Block]
Summary of Transaction Price Comprising Upfront Payments and Milestones
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Nature of Business and Basis of Presentation
Income Tax Authority, Name [Domain]
Income Tax Authority, Name
Agency security.
Agency Security [Member]
Agency Securities
Local Phone Number
Local Phone Number
SAUDI ARABIA
Saudi Arabia
Held to maturity securities continuous unrealized gain (loss) position fair value.
Held To Maturity Securities Continuous Unrealized Gain Loss Position Fair Value
Unrealized gain (loss) on held-to-maturity securities
Unrealized loss on held-to-maturity securities
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average Ordinary Shares:
Restructuring Costs
Total restructuring costs incurred
Costs incurred
Biologix [Member]
Biologix [Member]
Biologix FZCo
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Change in Contract with Customer, Asset and Liability [Abstract]
Accounting Policies [Abstract]
Contract with Customer, Performance Obligation Satisfied in Previous Period
Performance obligations satisfied in previous periods
Disaggregation of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Licenses revenue
Revenue from Contract with Customer, Excluding Assessed Tax, Total
Revenue from Contract with Customer, Excluding Assessed Tax
Total revenue, net
Accounts receivable credit period
Accounts Receivable Credit Period
Trade receivables, credit period
Payment period from distributors received from date of sale
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Lessee, Operating Lease, Liability, to be Paid, Year Four
2030
Customer C.
Customer C [Member]
Customer C
Class of Stock [Domain]
Class of Stock
Commercial Paper
Commercial Paper [Member]
Medicare rebates.
Medicare Rebates [Member]
Medicare rebates
Common Stock, Shares Authorized, Unlimited [Fixed List]
Ordinary Shares authorized, unlimited
Entity Emerging Growth Company
Entity Emerging Growth Company
Lease agreement area
Area of Land
SWEDEN
Sweden