Funding Arrangements (Details) - USD ($)		1 Months Ended		3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jun. 30, 2023	Apr. 30, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Apr. 30, 2021
CARB-X Agreement
Funding Arrangement [Line Items]
Grant receivable on unreimbursed, eligible costs incurred				$ 100,000		$ 100,000		$ 400,000
CARB-X Agreement | Minimum
Funding Arrangement [Line Items]
Potential funding committed by award				11,700,000		11,700,000
National Institutes Of Health
Funding Arrangement [Line Items]
Potential funding amount of award to develop vaccine to prevent shingella infections	$ 9,500,000	$ 4,600,000							$ 500,000
National Institutes Of Health | Maximum
Funding Arrangement [Line Items]
Potential funding period of award to develop vaccine to prevent shingella infections	5 years	5 years	5 years
Cost Reimbursement Sub-Award Agreement
Funding Arrangement [Line Items]
Interest income				$ 0	$ 0	$ 0	$ 0