Other Long-Term Liabilities - Summary of Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Other Long-Term Liabilities
Research and development incentive credit	$ 3,402
Research and development incentive credit earned	3,400
Lease obligation, long-term portion (see Note 4)	788	$ 1,124
Conditional economic incentive grants	250	250
Other	66	80
Total other long-term liabilities	$ 4,506	$ 1,454