Note 11 - Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Net operating loss carryforward	$ 5,239,000	$ 4,992,000
Deferred tax assets	5,239,000	4,992,000
Deferred tax liabilities:
Net deferred tax assets	5,239,000	4,992,000
Valuation allowance	(5,239,000)	(4,992,000)