Note 2 - Going Concern (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Net Income (Loss) Attributable to Parent, Total	$ (2,947,420)	$ (4,073,307)
Net Cash Provided by (Used in) Operating Activities, Total	(3,229,995)	(2,148,956)
Cash and Cash Equivalents, at Carrying Value, Ending Balance	9,351,141	$ 19,568,247	$ 12,581,136
Working Capital	$ 10,800,000