v3.26.3
Income Taxes - deferred tax assets and liabilities (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Deferred tax assets:    
Lease liability $ 54,888
Deductible advertising expense carryforwards (PRC) 985
Fair value change on notes payable 904
Net operating loss carryforwards 714,722 360,059
Valuation allowance (625,858) (360,059)
Intangible assets identified from acquisition (522,768)
Right-of-use-assets (53,886)
Net deferred tax assets 117,177
Net deferred tax liabilities (548,190)
Income before income taxes 85,708 (409,440)
Income tax expense computed by applying the U.S. federal statutory rate of 21% to income before income taxes 17,999  
State and local income tax, net of federal income tax effect  
   Total foreign tax effects (92,642)  
   Total statutory rate differential 40,896  
   Preferential high and new technology enterprise rate (PRC) (133,538)  
   Non-deductible expenses (PRC) 47,067  
Increase in valuation allowance 255,102  
   Utilization of prior year tax losses (201,057)  
   Recognition of previously unrecognized deferred tax assets (115,561)  
   Reversal of deferred tax liability arising from business combination (27,514)  
   Deferred tax effect of operating leases (984)  
Income tax expense (benefit) (117,590)
Beginning balance 360,059  
Foreign exchange impact 10,697  
Ending balance 625,858 $ 360,059
Inland Revenue P R C [Member]    
Deferred tax assets:    
   Total foreign tax effects 40,261  
Inland Revenue, Hong Kong [Member]    
Deferred tax assets:    
   Total foreign tax effects $ 635