XML 58 R48.htm IDEA: XBRL DOCUMENT
v3.22.1

Development, Commercialization and Supply Agreements - Recognized Revenues Changes in Contract Asset and Contract Liability Balances (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Revenue recognized in the period from: |  |
Amounts included in contract liability at the beginning of the period | $ 372 | $ 662

X
- Definition Contract with customer liability revenue recognized excluding performance obligation satisfied in previous period. + References No definition available. + Details
Name: | amrn_ContractWithCustomerLiabilityRevenueRecognizedExcludingPerformanceObligationSatisfiedInPreviousPeriod
Namespace Prefix: | amrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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