Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Financial assets and liabilities measured at fair value on recurring basis (Details)

v3.25.3
Fair Value Measurements - Financial assets and liabilities measured at fair value on recurring basis (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Sep. 10, 2024
Liabilities:      
Warrant liabilities     $ 123,000
Recurring | Quoted prices in active markets (Level 1)      
Liabilities:      
Convertible note payable $ 0 $ 0  
Warrant liabilities 0 0  
Recurring | Significant other observable inputs (Level 2)      
Liabilities:      
Convertible note payable 0 0  
Warrant liabilities 0 0  
Recurring | Significant unobservable inputs (Level 3)      
Liabilities:      
Convertible note payable 16,668,000 10,000,000  
Warrant liabilities $ 9,000 $ 664,000