Product Revenues, Accounts Receivable, and Reserves for Product Sales - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items]
Revenue	$ 16,322	$ 623	$ 30,703	$ 623
Accounts receivable	7,518		7,518		$ 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	2,500		2,500		$ 1,000
Product [Member]
Product Revenues Accounts Receivable And Reserves For Product Sales [Line Items]
Revenue	$ 15,654	$ 623	$ 27,763	$ 623