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Revenue Recognition - Schedule of Revenues from Major Customers (Detail) - HEPLISAV-B - Product Concentration Risk [Member] - Revenue Benchmark [Member]	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Largest Customer
Concentration Risk [Line Items]
Percentage of product revenue	28.00%	24.00%	28.00%	24.00%
Second Largest Customer
Concentration Risk [Line Items]
Percentage of product revenue	22.00%	21.00%	21.00%	23.00%
Third Largest Customer
Concentration Risk [Line Items]
Percentage of product revenue	18.00%	18.00%	18.00%	17.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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