Stock-Based Compensation - Summary of Stock-Based Compensation Expense for Stock Options Granted that was Recorded in the Company's Results of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock-based compensation expense
Stock-based compensation expense	$ 1,354	$ 2,423	$ 5,440	$ 5,573
Cost of Product Revenue [Member]
Stock-based compensation expense
Stock-based compensation expense	64	40	309	211
Research and Development [Member]
Stock-based compensation expense
Stock-based compensation expense	230	269	851	707
Selling, General and Administrative [Member]
Stock-based compensation expense
Stock-based compensation expense	$ 1,060	$ 2,114	$ 4,280	$ 4,655