v3.26.1
Fair Value Measurement - Schedule of financial assets and liabilities measured at fair value on a recurring basis (Details) - Fair Value, Recurring [Member] - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Assets:    
Assets: $ 0 $ 0
Liabilities:    
Convertible promissory notes 14,458,322 12,088,911
Financial assets and liabilities measured at fair value 14,458,322 $ 12,088,911
Level 1 [Member]    
Assets:    
Assets: 0  
Liabilities:    
Convertible promissory notes 0  
Financial assets and liabilities measured at fair value 0  
Level 2 [Member]    
Assets:    
Assets: 0  
Liabilities:    
Convertible promissory notes 0  
Financial assets and liabilities measured at fair value 0  
Level 3 [Member]    
Assets:    
Assets: 0  
Liabilities:    
Convertible promissory notes 14,458,322  
Financial assets and liabilities measured at fair value $ 14,458,322