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Liquidity and Going Concern - Additional Information (Details)
 3 Months Ended 6 Months Ended
Nov. 12, 2025
$ / shares
Jul. 22, 2025
May 21, 2025
May 16, 2025
$ / shares
May 02, 2025
Mar. 08, 2024
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                            
Net Income (Loss)             $ 5,151,000 $ (17,401,000) $ (2,940,000) $ (3,261,000) $ (12,250,000) $ (6,201,000)    
Accumulated deficit             (505,729,000)       (505,729,000)   $ (493,479,000)  
Net cash used in operating activities                     (11,970,000) (5,663,000)    
Stockholders' deficit             $ 3,034,000 $ (23,641,000) (7,625,000) $ (4,837,000) $ 3,034,000 $ (7,625,000) $ (8,949,000) $ (1,348,000)
Stockholders' equity requirement           $ 2,500,000     $ 1,000          
Net income from continuing operations           500,000                
Maintain minimum market value of listed securities           $ 35,000,000                
Consecutive business days       30 days                    
Period for regain compliance       180 days                    
Regain compliance expiry date     Nov. 17, 2025 Nov. 12, 2025                    
Forecast [Member]                            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                            
Additional period for regain compliance on achievement of compliance 180 days                          
Subsequent Event [Member]                            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                            
Minimum stockholder's equity requirement date   Aug. 14, 2025                        
Minimum bid requirement date   Sep. 08, 2025                        
Maximum [Member]                            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                            
Period for regain compliance     180 days                      
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                    
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