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

Convertible Redeemable Preferred Stock and Stockholders' Equity - February 2024 Warrants Black Scholes Value Payout (Details)

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Convertible Redeemable Preferred Stock and Stockholders' Equity - February 2024 Warrants Black Scholes Value Payout (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Sep. 10, 2024
Convertible Redeemable Preferred Stock and Stockholders' Equity      
Repurchase of common stock warrants $ 623,000    
Warrant liabilities     $ 100,000
Change in fair value of warrant liability $ 19,000 $ (29,120,000)  
February 2024 Warrants Black Scholes      
Convertible Redeemable Preferred Stock and Stockholders' Equity      
Black Scholes value payout per share (in $ per share)   $ 1.96  
Aggregate number of warrants outstanding   328,483  
Threshold number of days to elects the fundamental changes (in days)   30 days  
Warrant liabilities   $ 700,000  
Change in fair value of warrant liability   $ 0