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Shareholders' Equity and Share Based Compensation - Summary of Stock Option (Detail) - Stock Option [Member] - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of Options, Beginning balance 4,089,418  
Number of Options, Granted 2,671,896  
Number of Options, Exercised (100,000)  
Number of Options, Fortified (152,500)  
Number of Options, Ending balance 6,508,814 4,089,418
Number of Options, Exercisable 3,147,929  
Weighted Average Exercise Price, Beginning balance $ 5.76  
Weighted Average Exercise Price, Granted 0.99  
Weighted Average Exercise Price, Exercised 0.83  
Weighted Average Exercise Price,Fortified 5.15  
Weighted Average Exercise Price, Ending balance 3.84 $ 5.76
Weighted Average Exercise Price, Exercisable $ 6.11  
Weighted Average Remaining Contractual Term (years) 7 years 3 months 21 days 6 years 9 months 7 days
Weighted Average Remaining Contractual Term (years), Granted 9 years 2 months 1 day  
Weighted Average Remaining Contractual Term (years), Exercisable 5 years 5 months 26 days  
Aggregate Intrinsic Value $ 99 $ 152
Aggregate Intrinsic Value, Granted 125  
Aggregate Intrinsic Value, Exercised 71  
Aggregate Intrinsic Value, Excercisable $ 2