Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.21.2
Organization and Description of Business - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Mar. 22, 2021
Aug. 14, 2020
May 27, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Organization And Description Of Business [Line Items]            
Accumulated deficit       $ (250,861)   $ (240,270)
Net cash used in operating activities       $ (21,504) $ (17,694)  
Number of shares issued     11,797,752      
Stock issued during period, value   $ 150,000        
Over-Allotment Option [Member]            
Organization And Description Of Business [Line Items]            
Number of shares issued 11,500,000          
Sale of stock issue price per share $ 5.00          
Proceeds from initial public offer $ 53,800