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Inventories, Net - Additional Information (Detail) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Inventory [Line Items] |  |
Prepaid manufacturing | $ 138,330 | $ 159,655
Finished goods | 28,487 | 19,950
HEPLISAV-B |  |
Inventory [Line Items] |  |
Finished goods inventory | 13,500 | 18,600
CpG 1018 Adjuvant Inventory |  |
Inventory [Line Items] |  |
Prepaid manufacturing | $ 138,300 | $ 159,700

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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