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Stockholders' Equity - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Number of Options    
Outstanding, beginning of period (in shares) | shares 4,183,232  
Granted (in shares) | shares 2,282,096  
Exercised (in shares) | shares (70,088)  
Expired (in shares) | shares (56,910)  
Cancelled/Forfeited (in shares) | shares (282,602)  
Outstanding, end of period (in shares) | shares 6,055,728 4,183,232
Exercisable (in shares) | shares 3,373,334  
Unvested (in shares) | shares 2,682,394  
Weighted Average Exercise Price Per Share    
Outstanding, beginning of period (in dollars per share) $ 8.17  
Granted (in dollars per share) 5.17  
Exercised (in dollars per share) 5.19  
Expired (in dollars per share) 8.05  
Cancelled/Forfeited (in dollars per share) 5.73  
Outstanding, end of period (in dollars per share) 7.19 $ 8.17
Weighted Average Exercise Price, Exercisable (in dollars per share) 8.59  
Weighted Average Exercise Price, Unvested (in dollars per share) 5.42  
Weighted Average Grant Date Fair Value Per Share    
Outstanding beginning of period (in dollars per share) 7.60  
Granted (in dollars per share) 4.22  
Exercised (in dollars per share) 3.72  
Expired (in dollars per share) 7.73  
Expired (in dollars per share) 5.29  
Outstanding ending of period (in dollars per share) 6.47 $ 7.60
Exercisable, Weighted average grant date fair value (in dollars per share) 7.78  
Unvested Weighted average grant date fair value (in dollars per share) $ 4.83  
Weighted Average Remaining Contractual Term (in years) and Aggregate Intrinsic Value    
Weighted Average Remaining Contractual Term (in years), Outstanding 7 years 7 months 6 days 8 years 3 months 18 days
Weighted Average Remaining Contractual Term (in years), Granted 8 years 10 months 24 days  
Weighted Average Remaining Contractual Term (in years), Exercisable 6 years 6 months  
Weighted Average Remaining Contractual Term (in years), Unvested 9 years 1 month 6 days  
Aggregate Intrinsic Value, Outstanding | $ $ 15,453 $ 147
Aggregate Intrinsic Value, Exercised | $ 221  
Aggregate Intrinsic Value, Exercisable | $ 5,692  
Aggregate Intrinsic Value, Unvested | $ $ 9,761