Annual report [Section 13 and 15(d), not S-K Item 405]

Convertible Redeemable Preferred Stock and Stockholders' Equity - Warrant Side Letter Agreements (Details)

v3.26.1
Convertible Redeemable Preferred Stock and Stockholders' Equity - Warrant Side Letter Agreements (Details)
 3 Months Ended 12 Months Ended
Sep. 10, 2024
USD ($)
Y
$ / shares
shares
Jun. 30, 2024
USD ($)
shares
Dec. 31, 2024
USD ($)
Y
$ / shares
shares
Dec. 31, 2025
shares
Dec. 29, 2025
$ / shares
Dec. 20, 2024
$ / shares
Y
Class of Stock [Line Items]            
Aggregate shares issued upon exercise of warrants | shares       1    
Warrants exercise price | $ / shares         $ 5  
Issuance of common stock in connection with warrant amendment (in shares) | shares 887,356          
Fair Value of Stock Issued In Connection With Amendment To Warrant Agreement $ 2,100,000          
Price per Unit | $ / shares $ 2.4          
Warrant liabilities $ 100,000          
Equity, Fair Value Disclosure 2,253,000   $ 8,125,000      
Deemed dividend on issuance of common stock and warrants in connection with amendment to warrants to purchase common stock $ 2,300,000   $ 10,475,000      
Issuance of common stock to vendor (in shares) | shares   136,203        
Issuance of common stock to vendor   $ 400,000        
New Warrant            
Class of Stock [Line Items]            
Issuance of common stock in connection with warrant amendment (in shares) | shares 8,125,000          
Exchange Warrant            
Class of Stock [Line Items]            
Warrant liabilities $ 97,000          
Measurement input | Y     5      
Deemed dividend on issuance of common stock and warrants in connection with amendment to warrants to purchase common stock     $ 97,000      
Minimum            
Class of Stock [Line Items]            
Threshold Beneficial Ownership Percentage 4.99%          
Maximum            
Class of Stock [Line Items]            
Threshold Beneficial Ownership Percentage 9.99%          
Stock price | New Warrant            
Class of Stock [Line Items]            
Measurement input | $ / shares           1.7
Stock price | Exchange Warrant            
Class of Stock [Line Items]            
Measurement input | $ / shares 2.4   1.7      
Expected yield | New Warrant            
Class of Stock [Line Items]            
Measurement input           0
Expected yield | Exchange Warrant            
Class of Stock [Line Items]            
Measurement input 0   0      
Expected volatility | New Warrant            
Class of Stock [Line Items]            
Measurement input           1.43
Expected volatility | Exchange Warrant            
Class of Stock [Line Items]            
Measurement input 1.43   143      
Risk-free interest rate | New Warrant            
Class of Stock [Line Items]            
Measurement input           0.044
Risk-free interest rate | Exchange Warrant            
Class of Stock [Line Items]            
Measurement input 0.034   4.3      
Expected life (in years) | New Warrant            
Class of Stock [Line Items]            
Measurement input | Y           5
Expected life (in years) | Exchange Warrant            
Class of Stock [Line Items]            
Measurement input | Y 5          
Tranche One | Board of directors            
Class of Stock [Line Items]            
Issuance of common stock to vendor (in shares) | shares     100,000      
Issuance of common stock to vendor     $ 200,000      
Tranche Two | Board of directors            
Class of Stock [Line Items]            
Issuance of common stock to vendor (in shares) | shares     100,000      
Issuance of common stock to vendor     $ 300,000      
Tranche Three | Board of directors            
Class of Stock [Line Items]            
Issuance of common stock to vendor (in shares) | shares     36,203      
Issuance of common stock to vendor     $ 100,000      
Side Letter Agreement            
Class of Stock [Line Items]            
Aggregate Number of Common Stock Issuable, Multiplication Factor 1          
Issuance of common stock in connection with warrant amendment (in shares) | shares 887,356          
Side Letter Agreement | New Warrant            
Class of Stock [Line Items]            
Aggregate shares issued upon exercise of warrants | shares 5,391,746          
Warrants exercise price | $ / shares $ 2.21