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Nature of Business and Liquidity (Details)
$ / shares in Units, $ in Thousands, € in Millions
3 Months Ended 9 Months Ended
Dec. 18, 2024
USD ($)
Dec. 04, 2023
USD ($)
$ / shares
Sep. 23, 2022
USD ($)
$ / shares
shares
Aug. 19, 2022
USD ($)
$ / shares
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Mar. 17, 2024
USD ($)
Mar. 17, 2024
EUR (€)
Dec. 31, 2023
USD ($)
Aug. 01, 2022
USD ($)
Nature of Business and Going Concern [Line Items]                            
Operating Income (Loss)         $ (189) $ (5,202) $ (3,728) $ 3,502            
Accumulated deficit         (224,636)   (224,636)   $ (219,681)          
Cash flows from operating activities             $ (6,511) $ 28,454            
Exercise term of warrants             1 year 11 months 4 days              
Petrichor Financing | Securities Purchase Agreements | Secured Convertible Debt                            
Nature of Business and Going Concern [Line Items]                            
Maximum borrowing capacity                           $ 45,000
Commitment fee percentage     2.00%                      
Exercise price of warrants issued | $ / shares     $ 8.11                      
Exercise term of warrants     5 years                      
Petrichor Financing | Securities Purchase Agreements | First Closing Note                            
Nature of Business and Going Concern [Line Items]                            
Borrowings, face amount       $ 5,000                    
Initial conversion price | $ / shares       $ 8.11                    
Premium over 5-day VWAP       20.00%                    
VWAP term       5 days                    
Petrichor Financing | Securities Purchase Agreements | Second Closing Note                            
Nature of Business and Going Concern [Line Items]                            
Borrowings, face amount     $ 20,000                      
Initial conversion price | $ / shares     $ 7.89                      
Premium over 5-day VWAP     20.00%                      
VWAP term     5 days                      
Petrichor Financing | Securities Purchase Agreements | Third Closing Note                            
Nature of Business and Going Concern [Line Items]                            
Borrowings, face amount   $ 5,000                        
Initial conversion price | $ / shares   $ 7.89                        
Premium over 5-day VWAP   20.00%                        
VWAP term   5 days                        
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes                            
Nature of Business and Going Concern [Line Items]                            
Commitment fee percentage     2.00%                      
Exercise price of warrants issued | $ / shares     $ 8.11                      
Exercise term of warrants     5 years                      
Petrichor Financing | Securities Purchase Agreements | First Closing Warrant                            
Nature of Business and Going Concern [Line Items]                            
Commitment fees payable in warrants     50.00%                      
Common shares available through issuance of warrants | shares     55,498                      
Petrichor Financing | Securities Purchase Agreements | Second Closing Warrant                            
Nature of Business and Going Concern [Line Items]                            
Commitment fees payable in warrants     50.00%                      
Common shares available through issuance of warrants | shares     55,498                      
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes                            
Nature of Business and Going Concern [Line Items]                            
Remaining borrowing capacity                 $ 15,000       $ 15,000  
Petrichor Financing | Redemption Agreement | Note Redemptions                            
Nature of Business and Going Concern [Line Items]                            
Notes payable         $ 19,477   $ 19,477              
Repayment of debt $ 13,000                          
Principal repayments on debt 11,800                          
PIK interest repayments on debt $ 1,271                          
Bridge Bank | Bridge Bank Term Loan                            
Nature of Business and Going Concern [Line Items]                            
Repayment of debt       $ 5,000                    
Licensing Agreement | Norgine Ltd.                            
Nature of Business and Going Concern [Line Items]                            
License agreement funding received                   $ 43,000 $ 43,200 € 40.0    
License agreement funding, potential milestone payments                   $ 230,000 $ 230,000 € 210.0