v3.26.1
Schedule of intangible assets (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Total $ 2,490 $ 2,490
Less: Accumulated depreciation (2,213) (2,013)
Property and equipment, net 277 477
Trademarks [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Total 498 498
Copyrights [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Total 356 356
Patents [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Total $ 1,636 $ 1,636