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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) |

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- Definition Represents the monetary amount of Exchange rate effect - Valuation allowance of deferred tax assets, during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of Net deferred tax assets, as of the indicated date. + References No definition available. + Details
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- Definition Represents the monetary amount of Net deferred tax liabilities, as of the indicated date. + References No definition available. + Details
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- Definition Represents the monetary amount of Reversal - Valuation allowance of deferred tax assets, during the indicated time period. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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