v3.26.1
Convertible Preferred Stock and Stockholders' Equity (Deficit) - Securities Purchase and Registration Rights Agreement (Details)
3 Months Ended 6 Months Ended
Apr. 15, 2026
USD ($)
D
$ / shares
shares
Mar. 27, 2025
Feb. 18, 2025
D
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
shares
Mar. 31, 2025
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Mar. 10, 2025
USD ($)
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Proceeds from sale of common stock pursuant to the ATM | $             $ 2,017,000 $ 3,379,000  
Warrants issued (in shares)             30,904,102    
Proceeds from sale of common stock pursuant to the April Offering | $             $ 10,000,000    
Payment of offering costs | $             $ 730,000 287,000  
Reclassification of warrant liability upon exercise of prefunded warrants and amended warrant agreements | $               15,827,000  
Common Stock                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Issuance of common stock and warrants, net of offering costs (in shares)       5,096,925 1,522,947   6,186,925    
Exercise of prefunded warrants (in shares)           1,382,559      
April 2026 pre-funded warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Warrants issued (in shares)             989,507    
Exercise price (in dollars per share) | $ / shares       $ 0.01     $ 0.01    
April 2026 Series A Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Warrants issued (in shares)             5,982,919    
Exercise price (in dollars per share) | $ / shares       1.673     $ 1.673    
April 2026 Series B Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Warrants issued (in shares)             5,982,919    
Exercise price (in dollars per share) | $ / shares       1.673     $ 1.673    
April 2026 Series C Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Warrants issued (in shares)             17,948,757    
Exercise price (in dollars per share) | $ / shares       1.673     $ 1.673    
Series A Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Percentage of outstanding common stock for change of control     50.00%            
Total trading days for calculating volume weighted average price | D     11            
Trading days preceding the event for calculating volume weighted average price | D     5            
Trading days following the event for calculating volume weighted average price | D     5            
Series A Warrants | Minimum                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Percentage of outstanding common stock for change of control     50.00%            
series A Warrant                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Reclassification of warrant liability upon exercise of prefunded warrants and amended warrant agreements | $               4,196,000  
Pre-funded Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Exercise price (in dollars per share) | $ / shares       $ 0.01     $ 0.01    
Percentage of outstanding common stock for change of control   50.00%              
Reclassification of warrant liability upon exercise of prefunded warrants and amended warrant agreements | $               $ 11,631,000  
Pre-funded Warrants | Minimum                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Percentage of outstanding common stock for change of control   50.00%              
At the Market Offering Agreement                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Aggregate purchase price | $                 $ 50,000,000
Issuance of common stock and warrants, net of offering costs (in shares)       103,513     1,193,513    
Proceeds from sale of common stock pursuant to the ATM | $       $ 119,000     $ 1,918,000    
April 2026 Financing                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Issuance of common stock and warrants, net of offering costs (in shares) 5,982,919                
Proceeds from sale of common stock pursuant to the April Offering | $ $ 10,000,000                
Issue price (in dollars per share) | $ / shares $ 1.673                
Potential additional gross proceeds | $ $ 50,000,000                
Beneficial ownership limitation percentage 4.99%                
Maximum beneficial ownership percentage 9.99%                
Percentage of cash success fee 6.00%                
Payment of offering costs | $ $ 175,000                
Net proceeds | $ $ 9,390,000                
April 2026 Financing | Common Stock                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Number of consecutive trading days | D 30                
April 2026 Financing | April 2026 pre-funded warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Warrants issued (in shares) 989,507                
Warrant purchase price (in dollars per share) | $ / shares $ 1.663                
Exercise price (in dollars per share) | $ / shares 0.01                
April 2026 Financing | April 2026 Series A Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Exercise price (in dollars per share) | $ / shares $ 1.673                
Stock called by warrants or rights 5,982,919                
Warrants exercisable       0     0    
April 2026 Financing | April 2026 Series B Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Exercise price (in dollars per share) | $ / shares $ 1.673                
Stock called by warrants or rights 5,982,919                
Warrants exercisable       0     0    
April 2026 Financing | April 2026 Series C Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Exercise price (in dollars per share) | $ / shares $ 1.673                
Stock called by warrants or rights 17,948,757                
Redemption price (in dollars per share) | $ / shares $ 0.001                
Warrants exercisable       0     0    
April 2026 Financing | Common Stock Warrants                  
Convertible Preferred Stock and Stockholders' Equity (Deficit)                  
Expected term of warrants (years) 3 years                
Threshold percentage of exercise price 200.00%