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Subsequent event - Textual (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2024
Feb. 14, 2024
Mar. 10, 2023
Jun. 15, 2022
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Subsequent Event [Line Items]              
Proceeds from term loan           $ 15,000,000 $ 10,000,000
Net proceeds through sale of shares           $ 818,900,000  
Loan Agreement              
Subsequent Event [Line Items]              
Issued warrants to purchase shares of common stock           36,718  
Term Loan First Tranche | Loan Agreement              
Subsequent Event [Line Items]              
Remaining borrowing capacity           $ 10,000,000  
Hercules              
Subsequent Event [Line Items]              
Issued warrants to purchase shares of common stock     9,180        
Hercules | Loan Agreement              
Subsequent Event [Line Items]              
Proceeds from term loan         $ 15,000,000    
Hercules | Term Loan | Loan Agreement              
Subsequent Event [Line Items]              
Maximum borrowing capacity       $ 100,000,000      
Proceeds from term loan       10,000,000      
Hercules | Term Loan First Tranche | Loan Agreement              
Subsequent Event [Line Items]              
Maximum borrowing capacity       45,000,000      
Proceeds from term loan     $ 15,000,000 15,000,000      
Remaining borrowing capacity       $ 30,000,000      
Subsequent Event | ATM Facility              
Subsequent Event [Line Items]              
Net proceeds through sale of shares   $ 10,603,000          
Shares sold   500,000          
Average price per share   $ 21.75          
Subsequent Event | Hercules | Term Loan | Loan Agreement              
Subsequent Event [Line Items]              
Maximum borrowing capacity $ 150,000,000            
Proceeds from term loan $ 10,000,000            
Issued warrants to purchase shares of common stock 18,359