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Description of Business and Financial Condition (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 10, 2023
USD ($)
shares
Dec. 23, 2022
USD ($)
Aug. 31, 2025
USD ($)
item
$ / shares
shares
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2025
USD ($)
shares
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Description of Business and Financial Condition                        
Net loss       $ 4,930 $ 6,734 $ 8,480 $ 9,937 $ 7,041 $ 9,151 $ 20,144 $ 26,129 $ 33,971
Cash and cash equivalents       39,334     $ 22,011     39,334 22,011 25,009
Accumulated deficit       $ 195,304           195,304   $ 175,160
At The Market Offering                        
Description of Business and Financial Condition                        
Aggregate offering price   $ 200,000                    
Proceeds from issuance of common stock                   8,326 878  
Amount available to draw under purchase agreement                   13,290    
Registered Direct Offerings                        
Description of Business and Financial Condition                        
Shares issued (in shares) | shares     14,700,000                  
Proceeds from issuance of common stock                   $ 27,940 $ 11,896  
Number of institutional investors | item     2                  
Price per share | $ / shares     $ 2.05                  
Consideration received on transaction     $ 27,890                  
Payment of stock issuance cost     $ 2,245                  
Cantor Fitzgerald & Co. and B. Riley Securities, Inc. | At The Market Offering                        
Description of Business and Financial Condition                        
Maximum value of stock to be issued under agreement   $ 40,000                    
Shares issued (in shares) | shares                   13,159,619    
Proceeds from issuance of common stock                   $ 8,584    
Lincoln Park | Equity Line Financing                        
Description of Business and Financial Condition                        
Maximum value of stock to be issued under agreement $ 35,000                      
Shares issued (in shares) | shares 189,856                      
Term of agreement 36 months                      
Amount available to draw under purchase agreement                   $ 34,795