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

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

v3.25.1
Fair Value Measurements - Financial assets and liabilities measured at fair value on recurring basis (Details) - USD ($)
Dec. 31, 2024
Sep. 10, 2024
Dec. 31, 2023
Liabilities:      
Warrant liabilities   $ 123,000  
Recurring | Quoted prices in active markets (Level 1)      
Liabilities:      
Convertible note payable $ 0    
Warrant liabilities 0   $ 0
Recurring | Significant other observable inputs (Level 2)      
Liabilities:      
Convertible note payable 0    
Warrant liabilities 0   0
Recurring | Significant unobservable inputs (Level 3)      
Liabilities:      
Convertible note payable 10,000,000    
Warrant liabilities $ 664,000   $ 5,460,000