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Stock Plan - Schedule of Stock Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Shares Available For Grant    
Shares Available for Grant, Balance 4,474,411  
Shares Available for Grant, Shares reserved for issuance 2,572,174  
Shares Available for Grant, Options granted (6,261,885)  
Shares Available for Grant, Options forfeited / cancelled 4,544,731  
Shares Available for Grant, Balance 5,329,431 4,474,411
Number of Options    
Options Outstanding, Number of Options 6,973,464  
Options granted, Number of Options 6,261,885  
Options forfeited / cancelled, Number of Options (4,544,731)  
Options exercised, Number of Options (3,111)  
Options Outstanding, Number of Options 8,687,507 6,973,464
Vested and expected to vest, Number of Options 8,687,507  
Exercisable, Number of Options 3,008,229  
Weighted Average Exercise Price    
Options Outstanding, Weighted Average Exercise Price $ 9.44  
Options granted, Weighted Average Exercise Price 1.64  
Options forfeited / cancelled, Weighted Average Exercise Price 11.25  
Options exercised, Weighted Average Exercise Price 1.8  
Options Outstanding, Weighted Average Exercise Price 2.87 $ 9.44
Vested and expected to vest, Weighted Average Exercise Price 2.87  
Exercisable, Weighted Average Exercise Price $ 5.11  
Weighted-Average Remaining Contractual Life    
Options Outstanding, Weighted-Average Remaining Contractual Life 8 years 21 days 7 years 3 days
Vested and expected to vest, Weighted-Average Remaining Contractual Life 8 years 21 days  
Exercisable, Weighted-Average Remaining Contractual Life 5 years 1 month 9 days  
Aggregate Intrinsic Value    
Options Outstanding, Aggregate Intrinsic Value $ 190 $ 990
Vested and expected to vest, Aggregate Intrinsic Value 190  
Exercisable, Aggregate Intrinsic Value $ 162