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Common Stock and Stock-Based Compensation - Additional Information (Details)
1 Months Ended 9 Months Ended
Jan. 01, 2022
shares
Feb. 28, 2021
shares
Sep. 30, 2022
USD ($)
Plan
Vote
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Common stock, voting rights     Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. Common stockholders are entitled to receive dividends    
Number of voting rights per share | Vote     1    
Cash dividends declared or paid | $     $ 0    
Number of stock-based compensation plans | Plan     3    
Number of shares authorized   150,000,000 150,000,000 150,000,000 299,700,000
Pre-funded warrant exercise price | $ / shares     $ 0.0001 $ 0.0001 $ 0.0001
Initial total shares reserved     22,407,704 4,956,107  
Stock Options          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Shares available for future grants     1,330,020    
Unrecognized stock-based compensation expense related to unvested stock options | $     $ 23,600,000    
Unrecognized stock-based compensation expense recognized period     2 years 4 months 24 days    
Restricted Stock          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized stock-based compensation expense related to unvested stock options | $     $ 300,000    
Unrecognized stock-based compensation expense recognized period     3 years 4 months 6 days    
2021 Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based payment award, number of shares authorized   2,400,007      
Increase of number of authorized shares reserved for issuance under the 2021 Plan 1,263,463        
Share-based payment award, shares available for future grants     1,108,605    
Increase of authorized shares, percent of common stock outstanding   5.00%      
2017 Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Increase of number of authorized shares reserved for issuance under the 2021 Plan   0      
2021 Employee Stock Purchase Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Increase of number of authorized shares reserved for issuance under the 2021 Plan 252,692        
Share-based payment award, shares available for future grants     408,134    
Initial total shares reserved   240,000      
Shares purchased by employees under the ESPP     84,558    
Increase of authorized shares, percent of common stock outstanding   1.00%      
Unrecognized stock-based compensation expense recognized period     8 months 1 day    
Share Based Compensation Rate of Payroll Deduction     15.00%    
Percentage of fair market value of the shares on the offering date     85.00%    
Percentage of fair market value of the shares on the purchase date     85.00%    
Unrecognized stock-based compensation expense related to unvested employee stock purchases | $     $ 100,000    
2022 Inducement Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares authorized     1,400,000    
Shares available for future grants     1,400,000    
Pre-funded warrants          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Pre-funded warrants to purchase     14,630,000    
Pre-funded warrant price | $ / shares     $ 2.4199    
Pre-funded warrant exercise price | $ / shares     $ 0.0001