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Stock-based Compensation - Summary of Stock Options (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Stock Option [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Number of options - Beginning balance 10,376,838  
Number of options, Granted 2,885,385  
Number of options, Replacement options from Exchange 1,906,153  
Number of options, Forfeited or Expired (1,161,111)  
Number of options, Cancelled options from Exchange (3,880,332)  
Number of options - Ending balance 10,126,933 10,376,838
Number of options vested and expected to vest 10,126,933  
Number of options vested and exercisable 3,076,329  
Weighted average exercise price - Beginning balance $ 6.38  
Weighted average exercise price Granted 1.1  
Weighted average exercise price Replacement options from Exchange 0.96  
Weighted average exercise price Forfeited or Expired 8.58  
Weighted average exercise price Cancelled options from Exchange 10.43  
Weighted Average Exercise Price - Ending balance 2.05 $ 6.38
Weighted average exercise price Options vested and expected to vest 2.05  
Weighted average exercise price options vested and exercisable $ 3.92  
Weighted- Average Remaining Contractual Term, Outstanding 8 years 6 months 3 days 6 years 10 months 24 days
Weighted- Average Remaining Contractual Term, Options vested and expected to vest 8 years 6 months 3 days  
Weighted- Average Remaining Contractual Term, Options vested and exercisable 6 years 1 month 13 days  
Aggregate Intrinsic Value - Options outstanding $ 186,810  
Aggregate Intrinsic Value, options vested and expected to vest 186,810  
Aggregate Intrinsic Value, Options vested and exercisable $ 15,320  
Restricted Stock [Member]    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Number of awards - Beginning balance 134,120  
Number of awards, granted 22,950  
Number of awards, vested (2,490)  
Number of awards - Ending balance 154,580 134,120
Weighted average granted fair date value - Beginning balance $ 0.84  
Weighted average granted fair date value, granted 1.13  
Weighted average granted fair date value, vested (0.84)  
Weighted average granted fair date value - Ending balance $ 0.88 $ 0.84
Aggregate intrinsic value - Beginning $ 113,000  
Aggregate intrinsic value, Granted 26,000  
Aggregate intrinsic value, Vested (2,000)  
Aggregate intrinsic value - Ending balance $ 137,000 $ 113,000