This element represents amount owed at consummation of business combination.

No definition available.

Name:	limn_AmountOwedAtConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the carrying value as of balance sheet date of underwriting fees payable or deferred, classified as noncurrent.

+ References

No definition available.

+ Details

Name:	limn_DeferredOfferingCostsNoncurrent
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the percentage of deferred underwriting discount on gross proceeds of the IPO.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingDiscountAsPercentageOfGrossProceedsFromInitialPublicOffering
Namespace Prefix:	limn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of deferred underwriting fee payable settled in cash upon consummation of business combination.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingFeePayableSettledInCashUponConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of deferred underwriting fee payable settled in shares upon consummation of business combination.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingFeePayableSettledInSharesUponConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of deferred underwriting fee payable settled upon consummation of business combination.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingFeePayableSettledUponConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Remaining amount of deferred underwriting fee settled upon consummation of combined company next share offering.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingFeeRemainingAmountSettlementUponConsummationOfCombinedCompanyNextShareOffering
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of deferred underwriting fee waived upon consummation of business combination.

+ References

No definition available.

+ Details

Name:	limn_DeferredUnderwritingFeeWaivedUponConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the maximum number of demands for registration of securities.

+ References

No definition available.

+ Details

Name:	limn_MaximumNumberOfDemandsForRegistrationOfSecurities
Namespace Prefix:	limn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount paid in cash for offering costs.

+ References

No definition available.

+ Details

Name:	limn_PaymentOfOfferingCostsInCash
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash outflow pertaining to advisory services.

+ References

No definition available.

+ Details

Name:	limn_PaymentsForAdvisoryServices
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the threshold days for the settlement of deferred underwriting fee payable in shares upon consummation of business combination.

+ References

No definition available.

+ Details

Name:	limn_ThresholdDaysForSettlementOfDeferredUnderwritingFeePayableInSharesUponConsummationOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the threshold period for settling remaining deferred underwriting fee from the date of business combination.

+ References

No definition available.

+ Details

Name:	limn_ThresholdPeriodForRemainingDeferredUnderwritingFeeSettlementFromDateOfBusinessCombination
Namespace Prefix:	limn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the carrying value as of balance sheet date of underwriting fees payable or classified as noncurrent.

+ References

No definition available.

+ Details

Name:	limn_UnderwritingCostsNoncurrent
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the percentage of underwriting discount on gross proceeds of the IPO.

+ References

No definition available.

+ Details

Name:	limn_UnderwritingDiscountAsPercentageOfGrossProceedsFromInitialPublicOffering
Namespace Prefix:	limn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount paid in shares for offering costs.

+ References

No definition available.

+ Details

Name:	limn_UnderwritingDiscountPaidInSecurities
Namespace Prefix:	limn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

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

- Definition

This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.

+ References

No definition available.

+ Details

Name:	us-gaap_SecurityDepositLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=limn_IrisAcquisitionCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=limn_CapitalMarketsAdvisoryAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=limn_BenjaminSecuritiesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=limn_FeeReductionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies (Details) - Iris		3 Months Ended	12 Months Ended
Commitments and Contingencies (Details) - Iris	Apr. 30, 2025 USD ($)	Mar. 31, 2025 USD ($) item	Dec. 31, 2024 USD ($) item	Jul. 19, 2024 USD ($)	Oct. 11, 2023 USD ($)	Oct. 10, 2023 USD ($)
Commitments and Contingencies
Maximum number of demands for registration of securities \| item		3	3
Underwriting discount (in percentage)		2.00%	2.00%
Underwriting discount		$ 5,520,000	$ 5,520,000
Deferred underwriting discount (in percentage)		3.50%	3.50%
Deferred underwriting discount		$ 9,660,000	$ 9,660,000
Subsequent event
Commitments and Contingencies
Deferred underwriting fees settled	$ 9,160,000
Deferred underwriting fee payable settled in shares	$ 7,000,000
Threshold days for the settlement of deferred underwriting fee payable in shares	180 days
Deferred underwriting fee payable settled in cash	$ 500,000
Deferred underwriting fee waived	1,660,000
Remaining amount of deferred underwriting fee settled	$ 500,000
Threshold period for settling remaining deferred underwriting fee	6 months
Payment to advisory services	$ 500,250
Capital Markets Advisory Agreement \| Benjamin Securities
Commitments and Contingencies
Amount owed as security deposit of signing agreement				$ 125,000
Amount owed at consummation of business combination				485,000
Contractual obligation				$ 0
Fee Reduction Agreement
Commitments and Contingencies
Deferred underwriting discount		$ 8,000,000	$ 8,000,000		$ 8,000,000	$ 9,660,000
Underwriting discount paid in cash					1,000,000
Underwriting discount paid in securities					$ 7,000,000