Development and License Agreements - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended
	Sep. 30, 2022	Sep. 30, 2020	Mar. 31, 2023	Dec. 31, 2022
BARDA Agreement
Licenses Agreements [Line Items]
Additional committed fund receivable			$ 33,000,000
Committed fund receivable			181,900,000
Committed fund receivable			278,900,000
Receivable of billed and unbilled amounts			4,800,000	$ 4,000,000.0
BARDA Agreement | Cerus Corporation | Maximum
Licenses Agreements [Line Items]
Co-investment by the company			10,000,000
FDA Agreement
Licenses Agreements [Line Items]
Contract agreement term		5 years
Total potential contract value		$ 11,100,000
FDA Agreement | Accounts Receivable
Licenses Agreements [Line Items]
Receivable of billed and unbilled amounts			100,000	$ 200,000
DoD and IBAS Program Agreement
Licenses Agreements [Line Items]
Contract agreement term	2 years
Total potential contract value	$ 9,100,000
DoD and IBAS Program Agreement | Accounts Receivable
Licenses Agreements [Line Items]
Receivable of billed and unbilled amounts			400,000
DoD and IBAS Program Agreement | Other Current Assets
Licenses Agreements [Line Items]
Receivable of billed and unbilled amounts			$ 800,000