Note 9 - Subsequent Events (Details Textual)	1 Months Ended	6 Months Ended
	Feb. 10, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares
Stock Issued During Period, Shares, Issued for Services		23,687
Stock Issued During Period, Value, Issued for Services | $		$ 19,507
Sale of Units, Value | $		$ 105,000
Share Price | $ / shares		$ 0.75
Subsequent Event [Member]
Stock Issued During Period, Shares, Issued for Services	131,386
Stock Issued During Period, Value, Issued for Services | $	$ 99,000
Deferred Compensation Converted to Common Stock Amount | $	$ 134,000
Deferred Compensation Converted to Common Stock Shares	177,390
Class of Warrant or Right Issued During Period	79,614
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 1
Sale of Units, Number Of Units Issued	70,517
Shares Issued, Price Per Share | $ / shares	$ 0.75
Sale of Units, Value | $	$ 52,900
Number of Share Per Unit	1
Share Price | $ / shares	$ 1
Warrant Component of Equity Unit, Number of Shares of Restricted Common Stock Called by Each Warrant	0.5
Number of Warrants Per Unit	1