Note 8 - Property and Equipment (Details Textual) - USD ($)
|12 Months Ended|
Dec. 31, 2020
Dec. 31, 2019
|Depreciation, Depletion and Amortization, Total||$ 33,929||$ 103,165|
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef