XML 48 R39.htm IDEA: XBRL DOCUMENT
v3.24.3

Inventory - Schedule of Inventory (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Inventory Disclosure [Abstract] |  |  |  |
Inventory deemed not saleable | $ 0.0 |  | $ 1.5 |
Finished goods deemed not saleable |  | $ 0.0 |  | $ 3.4

X
- Definition Finished goods deemed not saleable + References No definition available. + Details
Name: | amrn_FinishedGoodsDeemedNotSaleable
Namespace Prefix: | amrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inventory deemed not saleable. + References No definition available. + Details
Name: | amrn_InventoryDeemedNotSaleable
Namespace Prefix: | amrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration