XML 95 R63.htm IDEA: XBRL DOCUMENT v3.22.0.1
Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Jun. 15, 2020
USD ($)
Dec. 31, 2021
USD ($)
Target
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
shares
Commitments and Contingencies Disclosure [Line Items]        
Accrued expenses   $ 13,953,000 $ 5,760,000  
DE Shaw Research [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Research and development expense   9,500,000 6,400,000 $ 1,500,000
Prepaid expense   $ 4,400,000    
Accrued expenses     1,500,000  
DE Shaw Research [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Outstanding convertible preferred stock converted into common shares | shares   3,281,253    
Research and development arrangement, annual fee $ 9,900,000     1,000,000.0
Research and development arrangement, term of contract   3 years    
Research and development arrangement, expiration date Aug. 16, 2025      
Milestone payment Due   $ 7,300,000    
Maximum additional amount received upon milestone achievement   6,300,000    
DE Shaw Research [Member] | Lease Agreement        
Commitments and Contingencies Disclosure [Line Items]        
Milestone payment Due   0 1,500,000  
Other Third Parties [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Research and development expense   5,400,000 2,700,000 $ 3,500,000
Other Third Parties [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Milestone payment Due   $ 500,000 $ 0  
Number of milestone targets | Target   4    
Series A Preferred Stock [Member] | DE Shaw Research [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Shares held | shares       9,999,999
Series C Preferred Stock [Member] | DE Shaw Research [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Shares held | shares       1,557,875
Maximum [Member] | DE Shaw Research [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Agreement renewal period   1 year    
Potential development milestone payments   $ 7,300,000    
Maximum [Member] | Other Third Parties [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Potential development milestone payments   7,000,000.0    
Minimum [Member] | Other Third Parties [Member] | License Agreement Terms [Member]        
Commitments and Contingencies Disclosure [Line Items]        
Potential development milestone payments   $ 4,000,000.0