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Stock Option Plan - Summary of Non-Vested Restricted Stock (Detail) - Unvested Restricted Common Stock [Member] - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Number of Shares    
Beginning Balance 1,198,580 786,280
Granted 280,000 1,601,224
Vested (306,617) (754,137)
Cancelled (232,901) (434,787)
Ending Balance 939,062 1,198,580
Weighted Average Grant Date Fair Value    
Beginning Balance $ 2.10 $ 3.08
Granted 0.82 2.60
Vested 2.28 3.40
Cancelled 3.15 3.45
Ending Balance $ 1.40 $ 2.10