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Development and License Agreements - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2020 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
BARDA Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Additional committed fund receivable |  |  |  | $ 23,000,000 |
Committed fund receivable |  |  | $ 148,900,000 |  |
Committed fund receivable |  |  | 245,900,000 |  |
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 |  |  |
DoD and IBAS Program Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Contract agreement term | 2 years |  |  |  |
Total potential contract value | $ 9,100,000 |  |  |  |
Accounts Receivable | BARDA Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Receivable of billed and unbilled amounts |  |  | 4,000,000.0 |  | $ 4,700,000
Accounts Receivable | FDA Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Receivable of billed and unbilled amounts |  |  | 200,000 |  |
Accounts Receivable | FDA Agreement | Maximum |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Receivable of billed and unbilled amounts |  |  |  |  | $ 200,000
Accounts Receivable | DoD and IBAS Program Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Receivable of billed and unbilled amounts |  |  | 500,000 |  |
Other Current Assets | DoD and IBAS Program Agreement |  |  |  |  |
Licenses Agreements [Line Items] |  |  |  |  |
Receivable of billed and unbilled amounts |  |  | $ 100,000 |  |

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- Definition Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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