Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net - Additional Information (Detail)

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Property and Equipment, Net - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Property, Plant and Equipment [Abstract]    
Fully depreciated computer software and hardware equipment and furniture, fixtures and equipment write-off $ 22,000 $ 41,000
Property and equipment additions incurred but not yet paid $ 406,000 $ 275,000