Note 7 - Discontinued Operations - Assets and Liabilities of the Discontinued Operations (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Total current liabilities of discontinued operations	$ 79,823	$ 99,695
CAKE [Member]
Accounts payable and accrued expenses	79,823	99,695
Total current liabilities of discontinued operations	$ 79,823	$ 99,695