XML 59 R46.htm IDEA: XBRL DOCUMENT v3.25.0.1

Significant Accounting Policies - Summary of Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Employee restructuring separation charges		$ 10,383	$ 9,310
Vendor contract charges		589	4,216
Total restructuring expense	$ 0	10,972	13,526
Cost of goods sold inventory restructuring	36,474	39,228	18,078
Stock forfeitures		1,034	591
Total restructuring cash obligations incurred	$ 0	$ 51,234	$ 32,195

X

- Definition

Cost of goods and services sold restructuring inventory.

+ References

No definition available.

+ Details

Name:	amrn_CostOfGoodsAndServicesSoldRestructuringInventory
Namespace Prefix:	amrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Employee Restructuring Separation Charges

+ References

No definition available.

+ Details

Name:	amrn_EmployeeRestructuringSeparationCharges
Namespace Prefix:	amrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Restructuring cash obligations charges includes cost of goods sold restructuring inventory and stock forfeitures.

+ References

No definition available.

+ Details

Name:	amrn_RestructuringCashObligationsChargesIncludesCostOfGoodsSoldRestructuringInventoryAndStockForfeitures
Namespace Prefix:	amrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Restructuring charges, stock forfeitures.

+ References

No definition available.

+ Details

Name:	amrn_RestructuringChargesStockForfeitures
Namespace Prefix:	amrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Vendor Contract Charges

+ References

No definition available.

+ Details

Name:	amrn_VendorContractCharges
Namespace Prefix:	amrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482047/420-10-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1

+ Details

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration