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Leases - Additional Information (Detail)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2024
m²
Nov. 30, 2023
Sep. 30, 2024
USD ($)
m²
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
m²
Sep. 30, 2023
USD ($)
Dec. 31, 2022
m²
Dec. 31, 2023
USD ($)
Lessee Lease Description [Line Items]                
Square meter area for office space under lease | m² 2,130              
Square meter area for laboratory center under lease | m²             180  
Short-term lease expenses     $ 19,000 $ 22,000 $ 54,000 $ 72,000    
Right-of-use assets     1,984,000   1,984,000     $ 489,000
Operating lease, liability     1,795,000   1,795,000      
Lease renewed month and year             2024-07  
Lease expiration month and year 2027-06 2027-03         2026-08  
Operating lease expense     300,000 $ 100,000 500,000 $ 400,000    
Security deposits     $ 300,000   $ 300,000      
Combined square meter area for manufacturing facilities under lease | m²     66,559   66,559      
Land use rights, net assets     $ 1,500,000   $ 1,500,000