Government award

No definition available.

Name:	antx_GovernmentAward
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Government committed contract funding amount.

+ References

No definition available.

+ Details

Name:	antx_GovernmentCommittedContractFundingAmount
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Government contract funding increased amount.

+ References

No definition available.

+ Details

Name:	antx_GovernmentContractFundingIncreasedAmount
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Government contract funding reduced amount.

+ References

No definition available.

+ Details

Name:	antx_GovernmentContractFundingReducedAmount
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Government contract income recognized.

+ References

No definition available.

+ Details

Name:	antx_GovernmentContractIncomeRecognized
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Grant award amount.

+ References

No definition available.

+ Details

Name:	antx_GrantAwardAmount
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Grant funding in advance amount.

+ References

No definition available.

+ Details

Name:	antx_GrantFundingInAdvanceAmount
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Grant income recognized.

+ References

No definition available.

+ Details

Name:	antx_GrantIncomeRecognized
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of available options under government contract.

+ References

No definition available.

+ Details

Name:	antx_NumberOfAvailableOptionsUnderGovernmentContract
Namespace Prefix:	antx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of option exercised for government contract.

+ References

No definition available.

+ Details

Name:	antx_NumberOfOptionExercisedForGovernmentContract
Namespace Prefix:	antx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of option period for funding from government contract.

+ References

No definition available.

+ Details

Name:	antx_NumberOfOptionPeriodForFundingFromGovernmentContract
Namespace Prefix:	antx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds from government contract.

+ References

No definition available.

+ Details

Name:	antx_ProceedsFromGovernmentContract
Namespace Prefix:	antx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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/2003/role/disclosureRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483507/832-10-50-3

+ Details

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

- Definition

The amount of receivables that are derived from government contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 912
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478345/912-310-45-1

+ Details

Name:	us-gaap_GovernmentContractReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

+ Details

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

- Details

Name:	us-gaap_GovernmentAssistanceTypeAxis=antx_NationalInstituteOfAllergyAndInfectiousDiseasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GovernmentAssistanceTypeAxis=antx_BillAndMelindaGatesFoundationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GovernmentAssistanceTypeAxis=antx_GatesFoundationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GovernmentAssistanceTypeAxis=antx_TwoThousandTwentyFourBillAndMelindaGatesFoundationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Funding Arrangements - Additional Information (Details) $ in Thousands	1 Months Ended							3 Months Ended		6 Months Ended		31 Months Ended
	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Apr. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	May 31, 2024 USD ($) Option	Jul. 31, 2023 USD ($) Option	Sep. 30, 2022 USD ($) Option	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
Government Assistance [Line Items]
Maximum amount eligible to receive under cost-reimbursement contract award		$ 18,300					$ 17,800
Other liabilities current								$ 776		$ 776			$ 1,229
NIAID Contract
Government Assistance [Line Items]
Maximum amount eligible to receive under cost-reimbursement contract award		18,300					$ 17,800
Government committed contract funding amount		9,300
Number of option period for funding from government contract							48 months
Government contract income recognized								200	$ 3,200	200	$ 3,200
Government contract receivable													500
Number of option exercised for government contract \| Option					2	2
Number of available options under government contract \| Option							7
Government contract fund increased amount			$ 500		$ 3,800	$ 700
Government contract funding reduced amount		$ 9,000
Proceeds from government contract										9,300		$ 8,800
BMGF Grant
Government Assistance [Line Items]
Grant award amount	$ 1,900
Grant income recognized								300		800
Other liabilities current								$ 800		$ 800			$ 1,200
Gates Foundation Grant
Government Assistance [Line Items]
Grant award amount				$ 2,000
Grant funding in advance amount				$ 1,100
2024 BMGF Grant
Government Assistance [Line Items]
Grant income recognized									$ 500		$ 900