Avenue Therapeutics, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 3 - Licenses Supplier Agreements (Details Textual)

v3.26.1

Note 3 - Licenses Supplier Agreements (Details Textual) - USD ($)				1 Months Ended	4 Months Ended
	Apr. 24, 2025	Oct. 29, 2018	Feb. 17, 2015	Feb. 28, 2026	Jun. 17, 2015
Revogenex License [Member]
Contractual Obligation, Maximum Future Payments					$ 3,000,000
Iv Tramadol [Member] \| Fortress Biotech Inc [Member]
Payments to Acquire in Process Research and Development			$ 2,000,000
Iv Tramadol [Member] \| Fortress Biotech Inc [Member] \| Additional Payment [Member]
Payments to Acquire in Process Research and Development					$ 1,000,000
Polpharma [Member]
Payments to Acquire in Process Research and Development		$ 2,000,000
Duke University [Member] \| ATX-04 [Member]
Payments to Acquire in Process Research and Development				$ 19,000
Contractual Obligation, Contractual Milestone Amount				$ 15,600,000
AnnJi [Member]
Payments Upon Termination of Agreement	$ 200,000
Termination Payments Receivable, Net	1,600,000
Termination Payments Receivable	$ 1,400,000
Eligible Termination Payments, Royalty Percentage on Net Sales	1.75%
AnnJi [Member] \| Maximum [Member]
Eligible Termination Payments, Development and Regulatory Milestones	$ 5,000,000
Eligible Termination Payments, Commercial Sales Milestones	$ 17,000,000

- Definition

The amount of for the contractual milestone.

+ References

No definition available.

+ Details

Name:	atxi_ContractualObligationContractualMilestoneAmount
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum future payments for contractual obligation.

+ References

No definition available.

+ Details

Name:	atxi_ContractualObligationMaximumFuturePayments
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total amount of termination payments possible to receive upon the occurrence of commercial sales milestones.

+ References

No definition available.

+ Details

Name:	atxi_EligibleTerminationPaymentsCommercialSalesMilestones
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of termination payments possible to receive upon the occurrence of certain developmental and regulatory milestones.

+ References

No definition available.

+ Details

Name:	atxi_EligibleTerminationPaymentsDevelopmentAndRegulatoryMilestones
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of termination royalty payments possible to receive upon the occurrence of certain events expressed as a percentage of net sales.

+ References

No definition available.

+ Details

Name:	atxi_EligibleTerminationPaymentsRoyaltyPercentageOnNetSales
Namespace Prefix:	atxi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of cash outflow made a result of the termination of an agreement.

+ References

No definition available.

+ Details

Name:	atxi_PaymentsUponTerminationOfAgreement
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying amount of amounts due as a result of the termination of an agreement.

+ References

No definition available.

+ Details

Name:	atxi_TerminationPaymentsReceivable
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount of amounts due as a result of the termination of an agreement, net of the withholding taxes.

+ References

No definition available.

+ Details

Name:	atxi_TerminationPaymentsReceivableNet
Namespace Prefix:	atxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflows from the purchase of net carrying value allocated to in-process research and development costs and materials acquired in a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

Name:	us-gaap_PaymentsToAcquireInProcessResearchAndDevelopment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=atxi_RevogenexLicenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=atxi_IvTramadolMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=atxi_AdditionalPaymentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=atxi_PolpharmaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_ProductOrServiceAxis=atxi_Atx04Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: