Bonus percent

No definition available.

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- Definition

Milestone payment upon submission of a new drug application.

+ References

No definition available.

+ Details

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- Definition

Retention Award Payable

+ References

No definition available.

+ Details

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- Definition

Retention Program Payable Amount

+ References

No definition available.

+ Details

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- Definition

Workforce Reduction, Percent

+ References

No definition available.

+ Details

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, 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

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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- Details

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- Details

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- Details

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- Details

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Subsequent Events (Additional Information) (Details) - USD ($) $ in Millions	Nov. 08, 2024	Oct. 29, 2024	Sep. 30, 2025	Mar. 31, 2025	Oct. 31, 2024	Oct. 21, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Nov. 07, 2022
Subsequent Event [Line Items]
Milestone payment							$ 225.0
Workforce reduction, percent		39.00%
GSK License Agreement [Member] \| GSK [Member]
Subsequent Event [Line Items]
Milestone payment			$ 23.8	$ 23.8				$ 23.8	$ 23.8	$ 66.0
SPR720 [Member] \| Subsequent Event [Member] \| Restructuring and Reduction in Workforce [Member]
Subsequent Event [Line Items]
Workforce reduction, percent		39.00%
Severance Costs		$ 1.1
Retention Award Payable		$ 4.4
Amendment 4 [Member] \| GSK License Agreement [Member] \| GSK [Member]
Subsequent Event [Line Items]
Milestone payment					$ 0.8
Amendment 4 [Member] \| GSK License Agreement [Member] \| GSK [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Milestone payment						$ 0.8
Retention Program [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Salary Plus Target Annual Bonus	75.00%
Total Retention Payments	$ 2.1