Common Stock and Preferred Stock - Schedule of Shares Reserved For Future Issuance (Details) - shares	Mar. 31, 2025	Dec. 31, 2024	Oct. 17, 2023
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	6,282,813	4,866,383
2023 Equity Incentive Plan
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	1,770,208	1,551,522	2,033,677
2023 ESPP
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	662,920	406,742
Employee Stock Option \| 2022 Equity Incentive Plan
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	1,188,953	1,244,691
Employee Stock Option \| 2023 Equity Incentive Plan
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	2,521,343	1,479,091
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	12,880	14,127
Early Exercisable Stock Options
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	126,509	170,210

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.

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+ Details

Tourmaline Bio, Inc. 10-Q