Quarterly report pursuant to Section 13 or 15(d)

Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail)

v3.22.2.2
Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Accounting Policies [Abstract]                  
Accumulated deficit $ (124,704)           $ (124,704)   $ (93,586)
Net loss (13,077) $ (10,468) $ (7,573) $ (6,691) $ (11,311) $ (7,999) (31,118) $ (26,001)  
Cash and cash equivalents 18,197           18,197   $ 43,022
Working capital $ 14,000           14,000    
Net cash used in operating activities             $ 26,406 $ 24,222