Note 6 - Derivative Liability (Details Narrative) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Derivative Liability [Abstract] | ||
| Change in fair value of derivative liability | $ (21,000) | $ 0 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The increase (decrease) during the period in the carrying value of derivative instruments reported as liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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