Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member]	2 Months Ended
	Feb. 18, 2020 USD ($) $ / shares shares
Class of Warrant or Right, Exercises in Period | shares	2,214,000
Class of Warrant or Right, Exercises in Period, Exercise Price | $ / shares	$ 0.04
Proceeds from Warrant Exercises	$ 79,704
Brokerage Fees	$ 8,856