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Liquidity and Going Concern - Additional Information (Details)
 3 Months Ended 9 Months Ended
Nov. 12, 2025
$ / shares
Aug. 22, 2025
USD ($)
$ / shares
Jul. 22, 2025
May 16, 2025
$ / shares
May 02, 2025
Mar. 08, 2024
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                                
Net Income (Loss)             $ (4,423,000) $ 5,151,000 $ (17,401,000) $ (2,874,000) $ (2,940,000) $ (3,261,000) $ (16,673,000) $ (9,075,000)    
Accumulated deficit             (510,152,000)           (510,152,000)   $ (493,479,000)  
Net cash used in operating activities                         (14,518,000) (9,343,000)    
Stockholders' deficit             5,054,000 $ 3,034,000 $ (23,641,000) $ (5,174,000) (7,625,000) $ (4,837,000) $ 5,054,000 $ (5,174,000) $ (8,949,000) $ (1,348,000)
Stockholders' equity requirement           $ 2,500,000 $ 16,850,000       $ 1,000          
Net income from continuing operations           500,000                    
Maintain minimum market value of listed securities   $ 35,000,000       $ 35,000,000                    
Consecutive business days       30 days                        
Period for regain compliance       180 days                        
Regain compliance expiry date       Nov. 12, 2025                        
Minimum stockholder's equity requirement date     Aug. 14, 2025                          
Minimum bid requirement date     Sep. 08, 2025                          
Forecast [Member]                                
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                                
Additional period for regain compliance on achievement of compliance 180 days                              
Maximum [Member]                                
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                                
Reverse stock split         one-for-two hundred fifty                      
Stock split conversion ratio         0.004                      
Minimum [Member]                                
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                                
Closing bid price for common stock had fallen below | $ / shares   $ 1   $ 1                        
Reverse stock split         one-for twenty five                      
Stock split conversion ratio         0.04                      
Minimum [Member] | Forecast [Member]                                
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                                
Closing bid price for common stock had fallen below | $ / shares $ 1                              
Consecutive business days 10 days