XML 41 R31.htm IDEA: XBRL DOCUMENT v3.22.2
Property and Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Property Plant And Equipment [Abstract]        
Depreciation and amortization expense $ 35 $ 41 $ 72 $ 83