Product Revenues, Accounts Receivable, and Reserves for Product Sales - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items]
Revenue	$ 22,056	$ 5,650	$ 52,759	$ 6,273
Accounts receivable	8,091		8,091		$ 10,103
Accounts receivable, net of discount and allowance	300		300		200
Accrued Expenses [Member]
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items]
Product sales reserves	2,000		2,000		$ 1,000
Product [Member]
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items]
Revenue	$ 17,676	$ 5,314	$ 45,439	$ 5,937