Note 3 - Prepaid expenses and other assets: Schedule of Prepaid expenses and other assets (Details) - USD ($)  | 
Mar. 31, 2021  | 
Dec. 31, 2020  | 
|---|---|---|
| Details | ||
| Prepaid management fees | $ 115,000 | $ 0 | 
| Prepaid insurance | 342 | 342 | 
| Other prepaid costs | 28,796 | 17,497 | 
| Prepaid expenses and other current assets | $ 144,138 | $ 17,839 | 
| X | ||||||||||
- Definition Represents the monetary amount of Other prepaid costs, as of the indicated date. No definition available. 
  | 
| X | ||||||||||
- Definition Represents the monetary amount of Prepaid management fees, as of the indicated date. No definition available. 
  | 
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
  | 
| X | ||||||||||
- References No definition available. 
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