Note 4 - Investment in account receivable: Schedule of Receivables with Imputed Interest (Details) - USD ($)  | 
Mar. 31, 2021  | 
Dec. 31, 2020  | 
|---|---|---|
| Details | ||
| Face value | $ 702,000 | $ 702,000 | 
| Impairment | (139,148) | (139,148) | 
| Unamortized discount | (217,566) | (232,794) | 
| Net balance | 345,286 | 330,058 | 
| Current portion * | (84,662) | (26,162) | 
| Long term portion | $ 260,624 | $ 303,896 | 
| X | ||||||||||
- Definition Represents the monetary amount of Current portion *, as of the indicated date. No definition available. 
  | 
| X | ||||||||||
- Definition Represents the monetary amount of Face value, as of the indicated date. No definition available. 
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| X | ||||||||||
- Definition Represents the monetary amount of Impairment, as of the indicated date. No definition available. 
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| X | ||||||||||
- Definition Represents the monetary amount of Long term portion, as of the indicated date. No definition available. 
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| X | ||||||||||
- Definition Represents the monetary amount of Net balance, as of the indicated date. No definition available. 
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| X | ||||||||||
- Definition Represents the monetary amount of Unamortized discount, as of the indicated date. No definition available. 
  | 
| X | ||||||||||
- References No definition available. 
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