v3.26.1
Intangible Assets, net (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Intangible Assets, net      
Purchased software $ 461,269 $ 534,428  
Less: Accumulated amortization (461,269) (534,428)  
Amortization of intangible assets 0 $ 15,589 $ 73,151
Estimated amortization expenses of the existing intangible assets for each of the five years      
Estimated amortization of intangible assets, year one 0    
Estimated amortization of intangible assets, year two 0    
Estimated amortization of intangible assets, year three 0    
Estimated amortization of intangible assets, year four 0    
Estimated amortization of intangible assets, year five 0    
Estimated amortization of intangible assets, after year five $ 0