Note 4 - Common Stock (Details Textual) - USD ($)				1 Months Ended	3 Months Ended	6 Months Ended		9 Months Ended
	Apr. 03, 2017	Jan. 03, 2017	Mar. 10, 2016	Aug. 10, 2017	Mar. 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Sep. 30, 2016	Dec. 31, 2016
Common stock, shares authorized (in shares)						100,000,000			100,000,000
Common Stock, Shares Outstanding and Reserved						26,747,815
Common Stock, Shares, Issued						22,437,176			21,916,143
Common Stock, Shares Subscribed but Unissued						4,310,639
Amount of Private Placement			$ 937,500					$ 1,875,000
Proceeds from Issuance of Private Placement					$ 50,625	$ 50,625	$ 421,875
Subsequent Event [Member]
Shares Authorized During Period, Private Placement				0
Chief Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Shares Issued	76,095	145,405
Chief Financial Officer [Member]
Deferred Compensation Arrangement with Individual, Shares Issued		19,387
The Chief Executive Officer and Chief Financial Officer [Member]
Shares Issued, Price Per Share	$ 0.2464	$ 0.2579
Deferred Compensation Arrangement with Individual, Shares Issued	10,146
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued	$ 21,250	$ 42,500
Private Placement [Member]
Share Price								$ 0.1875
Sale of Stock, Price Per Share			$ 0.1875
Stock Issued During Period, Shares, New Issues					270,000
Shares Issued, Price Per Share					$ 0.1875
Maximum [Member]
Shares Authorized During Period, Private Placement			5,000,000					10,000,000