Revenue - Schedule of Recognized Revenue Net of Payments (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Revenue From Contract With Customer [Abstract]
Gross revenue from sales to customers		$ 15,880	$ 7,637
Less: clinical trial payments reducing revenue			584
Total net revenue	[1]	$ 15,880	$ 7,053

[1] Net revenue by country is categorized based on the location of the end customer.