Note 2 - Summary of significant accounting policies: Investments in securities at fair value (Policies)  | 
3 Months Ended | 
|---|---|
Mar. 31, 2021  | |
| Policies | |
| Investments in securities at fair value | 
 Investments in securities at fair value 
 Investment in securities consists of debt and equity securities reported at fair value. Under ASU 2016-01, Financial Instruments - Overall: Recognition and Measurement of Financial Assets and Financial Liabilities, the Company elected to report changes in the fair value of equity investment in realized investment gains (losses), net.  | 
| X | ||||||||||
- Definition Represents the textual narrative disclosure of Investments in securities at fair value, during the indicated time period. No definition available. 
  | 
| X | ||||||||||
- References No definition available. 
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