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Research Grant (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
agreement
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
agreement
Sep. 30, 2023
USD ($)
Aug. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Research and Development Arrangement, Contract to Perform for Others [Line Items]                
Research and development $ 7,208,000 $ 7,264,000 $ 22,947,000 $ 17,692,000        
Deferred research obligation 1,307,000   1,307,000     $ 694,000    
Restricted cash, current $ 1,318,000   $ 1,318,000     $ 722,000    
Number of research grant agreements | agreement 3   3          
Research Grant Agreement with GIRF Sept. 2022                
Research and Development Arrangement, Contract to Perform for Others [Line Items]                
Grant award               $ 2,800,000
Grant award received             $ 500,000 $ 2,300,000
Research and development   0   1,900,000        
Research Grant Agreement with GIRF Sept. 2023                
Research and Development Arrangement, Contract to Perform for Others [Line Items]                
Grant award   3,100,000   3,100,000        
Grant award received $ 0   $ 0          
Research and development 0   2,200,000          
Credit   $ 500,000   $ 500,000        
Deferred research obligation 0   0          
Research Grant Agreement with GIRF Aug. 2024                
Research and Development Arrangement, Contract to Perform for Others [Line Items]                
Grant award         $ 1,500,000      
Research and development 200,000   200,000          
Deferred research obligation 1,300,000   1,300,000          
Restricted cash, current 1,300,000   1,300,000          
Reimbursement from grant funds $ 200,000   $ 200,000