Other Long-Term Liabilities - Summary of Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other Long-Term Liabilities
Lease obligation, long-term portion (see Note 6)	$ 904	$ 1,124
Conditional economic incentive grants	250	250
Other	372	80
Total other long-term liabilities	$ 1,526	$ 1,454