v3.26.1

Commitments and Contingencies - Additional Information (Detail)				1 Months Ended	3 Months Ended
	May 01, 2026	Oct. 22, 2025 USD ($)	Oct. 09, 2025 USD ($)	May 31, 2022 USD ($)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Apr. 30, 2024 ft²	Apr. 01, 2024 ft²	Mar. 20, 2023
Commitments and Contingencies [Line Items]
Lease space \| ft²							24,866	23,696
Lessee operating lease, lease commencement date					Mar. 20, 2023
Operating lease, term of lease									124 months
Operating lease, lease not yet commenced, option to extend					We also have one option to extend the Lease Term for five
Operating lease, lease not yet commenced, existence of option to extend				true
Operating lease, lease not yet commenced, extension term				5 years
Base rent per square foot				$ 5.75
Annual upward adjustments on base rate, percentage				3.00%
Operating lease expense					$ 400,000	$ 400,000
Operating lease, weighted average remaining lease term					7 years 3 months 18 days
Operating lease, weighted average discount rate					8.80%
Financing lease, term of contract					48 months
Financing lease, weighted-average remaining lease term					1 year
Financing lease, weighted-average discount rate					8.40%
Pending Litigation [Member]
Commitments and Contingencies [Line Items]
Loss contingency, lawsuit filing date		Oct. 22, 2025	Oct. 09, 2025
Loss contingency, name of plaintiff		putative securities class action	putative securities class action
Loss Contingency, Name of Defendant		aTyr Pharma, Inc. and our Chief Executive Officer, Sanjay Shukla.	aTyr Pharma, Inc. and our Chief Executive Officer, Sanjay Shukla.
Estimated litigation liabillity		$ 0	$ 0
Restricted Cash [Member]
Commitments and Contingencies [Line Items]
Security deposit					$ 700,000
Leased Equipment [Member] \| Restricted Cash [Member]
Commitments and Contingencies [Line Items]
Security deposit					$ 1,100,000
Subsequent Events [Member]
Commitments and Contingencies [Line Items]
Motion to dismiss deadline date	Aug. 28, 2026
Opposition response due date	Sep. 28, 2026

Annual upward adjustments on base rate percentage.

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Base rent per square foot

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No definition available.

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Commitments and contingencies disclosure.

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No definition available.

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- Definition

Lessee Operating Lease, Lease Commencement Date

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No definition available.

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- Definition

Motion to dismiss deadline date.

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No definition available.

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- Definition

Opposition response due date.

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No definition available.

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Area of land held.

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- Definition

Weighted average discount rate for finance lease calculated at point in time.

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- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Indicates (true false) whether lessee has option to extend operating lease not yet commenced.

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- Definition

Description of terms and conditions of option to extend lessee's operating lease that has not yet commenced. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

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- Definition

Term of lessee's operating lease renewal for lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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- Definition

Date complaint was formally filed in court of law, arbitration, or mediation, in YYYY-MM-DD format.

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Identifies the named defendant in a lawsuit.

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Identifies the plaintiff in the lawsuit.

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- Definition

Amount of operating lease expense. Excludes sublease income.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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aTYR PHARMA INC 10-Q