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License Arrangements - Additional Information (Details) - UC Agreements - USD ($)
 1 Months Ended 12 Months Ended
Jul. 31, 2021
Jan. 31, 2016
Dec. 31, 2021
Dec. 31, 2020
Jan. 31, 2019
Dec. 31, 2018
Research And Development Arrangement Contract To Perform For Others [Line Items]            
Non-refundable license fee payable upon execution           $ 5,000
Non-refundable license fee payable upon execution every year thereafter until sales of a licensed product and payment of royalties           5,000
Amount obligated to pay upon closing first qualified financing at option of UC Regents           $ 50,000
Percentage of equity interest upon closing of first qualified financing at option of UC Regents           3.00%
Percentage of equity interests issued as common stock   6.00%        
Amount paid non-refundable license fees $ 100,000       $ 50,000  
Non-refundable license fee payable annually 10,000       $ 5,000  
Incurred expenses     $ 300,000 $ 200,000    
Maximum            
Research And Development Arrangement Contract To Perform For Others [Line Items]            
Development milestones 3,900,000   3,100,000      
Minimum            
Research And Development Arrangement Contract To Perform For Others [Line Items]            
Annual royalty $ 100,000   $ 100,000