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Note 15 - Income taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Details        
Net operating loss carryforwards $ 496,028 $ 423,228    
Allowance for credit losses 115,111 151,335    
Lease liabilities 216,316 96,541    
Total deferred tax assets 827,455 671,104    
Less: valuation allowance (560,338) (574,563) $ (89,763) $ (154,941)
Deferred Tax Assets, Net of Valuation Allowance 267,117 96,541    
Net off against deferred tax liabilities (267,117) (96,541)    
Net deferred tax assets 0 0    
Right-of-use assets 267,117 96,541    
Deferred tax liabilities 267,117 96,541    
Net off against deferred tax assets (267,117) (96,541)    
Net deferred tax liabilities 0 0    
Deferred Tax Assets, Valuation Allowance 560,338 574,563 89,763 $ 154,941
Additions - Valuation allowance of deferred tax assets 111,410 488,670 0  
Utilization - Valuation allowance of deferred tax assets 0 0 (62,982)  
Reversal - Valuation allowance of deferred tax assets (112,902) 0 0  
Exchange rate effect - Valuation allowance of deferred tax assets $ (12,733) $ (3,870) $ (2,196)