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Subsequent Events - Additional Information (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 28, 2022
USD ($)
Position
shares
Sep. 30, 2020
Position
Mar. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Aug. 03, 2020
USD ($)
Subsequent Event [Line Items]              
Restructuring implementation month and year         2020-09    
Number of positions eliminated | Position   33          
Percentage of positions eliminated   32.00%          
Severance charge in operating expenses           $ 1.8  
Number of awards available for grant | shares         5,313,451 4,270,764  
Term Loan | Loan Agreement              
Subsequent Event [Line Items]              
Debt conversion, original debt amount         $ 2.3    
Term Loan | Loan Agreement | Hercules Capital              
Subsequent Event [Line Items]              
Principal amount of first tranche             $ 25.0
Scenario Forecast              
Subsequent Event [Line Items]              
Severance charge in operating expenses       $ 1.8      
Scenario Forecast | Term Loan | Loan Agreement | Hercules Capital              
Subsequent Event [Line Items]              
Debt conversion, original debt amount     $ 2.7        
Principal amount of first tranche     $ 20.0        
Subsequent Event              
Subsequent Event [Line Items]              
Restructuring implementation month and year 2022-02            
Number of positions eliminated | Position 32            
Percentage of positions eliminated 50.00%            
Subsequent Event | Stock Options              
Subsequent Event [Line Items]              
Number of awards available for grant | shares 1,893,335            
Grant date total fair value $ 2.0            
Subsequent Event | RSUs              
Subsequent Event [Line Items]              
Number of awards available for grant | shares 463,328            
Grant date total fair value $ 0.5