Note 9 - Subsequent Events (Details Textual) - USD ($)	Oct. 04, 2017	Sep. 30, 2017
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right		0.25
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.36
Subsequent Event [Member]
Unit Issued During Period, Value, New Issues	$ 150,000
Unit Issued During Period, Shares, New Issues	3,750,000
Number of Securities Called by Each Unit	1
Warrant Term	5 years
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	0.25
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.04