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

Convertible Redeemable Preferred Stock and Stockholders' Equity - October Securities Purchase Agreement (Details)

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Convertible Redeemable Preferred Stock and Stockholders' Equity - October Securities Purchase Agreement (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Oct. 24, 2025
Dec. 31, 2025
Convertible Redeemable Preferred Stock and Stockholders' Equity    
Aggregate proceeds of common stock   $ 4,763
October Securities Purchase Agreement    
Convertible Redeemable Preferred Stock and Stockholders' Equity    
Aggregate proceeds of common stock $ 2,500  
October initial shares    
Convertible Redeemable Preferred Stock and Stockholders' Equity    
Aggregate share issued 1,470,588  
Price per share $ 0.34  
October additional shares    
Convertible Redeemable Preferred Stock and Stockholders' Equity    
Aggregate share issued 4,255,319  
Price per share $ 0.47