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Stock-Based Compensation - Summary of Stock Option Activity (Details) - 2023 Inducement Plan and 2019 Employee Stock Purchase Plan - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Number of Options    
Outstanding, Beginning Balance 4,686,577  
Granted 2,241,000  
Exercised (1,626)  
Cancelled and forfeited (34,602)  
Outstanding, Ending Balance 6,891,349 4,686,577
Exercisable as of of March 31, 2024 2,617,844  
Weighted Average Exercise Price    
Weighted Average Exercise Price Outstanding, Beginning Balance $ 14.11  
Weighted Average Exercise Price, Granted 9.99  
Weighted Average Exercise Price, Exercised 4.44  
Weighted Average Exercise Price, Cancelled and forfeited 12.94  
Weighted Average Exercise Price Outstanding, Ending Balance 12.78 $ 14.11
Weighted Average Exercise Price, Exercisable as of March 31, 2024 $ 14.76  
Weighted Average Remaining Contractual Term (In years)    
Weighted Average Remaining Contractual Term (In years), Outstanding 8 years 3 months 18 days 7 years 10 months 24 days
Weighted Average Remaining Contractual Term (In years), Exercisable as of March 31, 2024 6 years 9 months 18 days  
Aggregate Intrinsic Value    
Aggregate Intrinsic Value $ 16,139 $ 11,712
Aggregate Intrinsic Value, Exercisable as of March 31, 2024 $ 9,011