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Government Contracts - Additional Information (Detail) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 31, 2021 USD ($) Option | Jul. 31, 2018 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jul. 31, 2024 USD ($)
Government Contracts [Line Items] |  |  |  |  |  |  |
Potential Amount of Uncommitted Funding |  |  | $ 12,700 |  | $ 12,700 |  |
Grant revenue |  |  | 10,197 | $ 2,716 | 19,464 | $ 4,786 |
Subsequent Event [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Potential amount additional funding awarded |  |  |  |  |  |  | $ 11,700
Potential amount increase in committed funding |  |  |  |  |  |  | $ 59,300
BARDA [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Potential contract amount awarded |  | $ 44,200 |  |  |  |  |
Potential amount increase in committed funding |  |  | 47,600 |  | 47,600 |  |
BARDA [Member] | Base Period Contracts [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Potential amount initial funding awarded |  | $ 15,700 |  |  |  |  |
Contract term |  | 3 years |  |  |  |  |
BARDA [Member] | Grant [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Grant revenue |  |  | 4,100 | 1,000 | 9,000 | 1,500 |
Niaid [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Committed amount from government contract |  |  |  |  | 7,000 |  |
Niaid [Member] | SPR206 [Member] |  |  |  |  |  |  |
Government Contracts [Line Items] |  |  |  |  |  |  |
Contract term | 5 years |  |  |  |  |  |
Grant revenue |  |  | $ 100 | $ 900 | $ 200 | $ 1,800 |
Award received for clinical development | $ 23,500 |  |  |  |  |  |
Number of option period for funding from government contract | Option | 6 |  |  |  |  |  |

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