XML 54 R42.htm IDEA: XBRL DOCUMENT v3.22.1
Property and Equipment, Net - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property Plant And Equipment [Abstract]      
Depreciation expense $ 363,000 $ 166,000 $ 163,000