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Product Revenues, Accounts Receivable, and Reserves for Product Sales - Schedule of Customer Accounted for 10% of More of Gross Product Revenues and Accounts Receivable (Detail) - Customer Concentration Risk [Member]	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Gross Product Revenues [Member] | Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration risk	15.00%	52.00%
Gross Product Revenues [Member] | Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration risk	19.00%	9.00%
Gross Product Revenues [Member] | Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration risk	59.00%	33.00%
Product Sales Receivable [Member] | Customer A [Member]
Revenue, Major Customer [Line Items]
Concentration risk	3.00%	25.00%
Product Sales Receivable [Member] | Customer C [Member]
Revenue, Major Customer [Line Items]
Concentration risk	21.00%	15.00%
Product Sales Receivable [Member] | Customer D [Member]
Revenue, Major Customer [Line Items]
Concentration risk	67.00%	52.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
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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.

+ References

No definition available.

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