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Nature of the Business and Basis of Presentation (Details)
 1 Months Ended 3 Months Ended
Apr. 15, 2025
USD ($)
$ / shares
shares
Dec. 10, 2024
USD ($)
Dec. 08, 2024
$ / shares
shares
Apr. 12, 2024
USD ($)
Jan. 25, 2022
shares
Apr. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
$ / shares
Mar. 31, 2025
USD ($)
segment
$ / shares
Mar. 31, 2024
USD ($)
Mar. 26, 2025
shares
Dec. 31, 2024
USD ($)
$ / shares
Dec. 20, 2024
$ / shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Conversion of stock, conversion basis (in shares) | shares                   1    
Number of operating segments | segment               1        
Accumulated deficit             $ 432,686,000 $ 432,686,000     $ 400,105,000  
Net cash used in operating activities               4,722,000 $ 10,115,000      
Cash and cash equivalents             17,716,000 17,716,000     $ 22,493,000  
Proceeds from the Securities Purchase Agreement               1,143,000 $ 0      
Subsequent Event                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Proceeds from the Securities Purchase Agreement           $ 20,000,000            
Private Placement                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Proceeds from issuance or sale of equity   $ 10,000,000                    
At The Market Program                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Value of shares issued in transaction             1,200,000 $ 1,200,000        
Sale of stock, consideration             $ 1,100,000          
Registered Direct Offering | Subsequent Event                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Sale of stock, number of shares issued in transaction (in shares) | shares 6,451,612                      
Sale of stock, offering price (in dollars per share) | $ / shares $ 3.10                      
Proceeds from the Securities Purchase Agreement $ 20,000,000                      
Class A ordinary shares                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Par value (in dollars per share) | $ / shares             $ 0.0001 $ 0.0001     $ 0.0001 $ 0.0001
Sale of stock, number of shares issued in transaction (in shares) | shares         5,816,770              
Class A ordinary shares | Private Placement                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Stock issued (in shares) | shares     3,571,429                  
Weighted average share price (USD per share) | $ / shares     $ 2.80                  
Secured Convertible Notes                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Principal outstanding amount       $ 50,000,000                
Convertible Debt | Secured Convertible Notes                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Debt instrument, face amount       30,000,000                
Proceeds from issuance of secured notes       $ 27,600,000                
Principal outstanding amount             $ 50,000,000 $ 50,000,000        
Convertible Debt | Secured Convertible Notes | Initial Terms                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Variable rate (as a percent)       6.50%                
Convertible Debt | Secured Convertible Notes | Event of Default                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Variable rate (as a percent)       4.00%