Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended		3 Months Ended				6 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2024 USD ($) Segment	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Accounting Policies [Line Items]
Net loss			$ 14,435,000	$ 16,617,000	$ 15,804,000	$ 15,323,000
Cash flows used in operating activities							$ 31,977,000	$ 24,420,000
Accumulated deficit			185,507,000				185,507,000		$ 154,455,000
Cash cash equivalents and investments			104,500,000				$ 104,500,000
Number of operating segments | Segment							1
Number of reportable Segments | Segment							1
Assumed dividend yield							$ 0
Cash and cash equivalents			26,769,000				26,769,000		15,647,000
Investments			77,800,000				77,800,000		118,800,000
Maximum amount eligible to receive under cost-reimbursement contract award		$ 17,800,000
Net unrealized gain (loss) on available-for-sale investments							(300,000)	300,000
UGARF
Accounting Policies [Line Items]
Grant award amount		$ 1,400,000
BMGF
Accounting Policies [Line Items]
Grant award amount	$ 1,800,000
Initial Public Offering
Accounting Policies [Line Items]
Net loss							31,100,000	31,100,000
Cash flows used in operating activities							32,000,000	$ 24,400,000
Accumulated deficit			$ 185,500,000				$ 185,500,000		$ 154,500,000