Note 4 - Common Stock (Details Textual) - USD ($)								1 Months Ended	3 Months Ended			9 Months Ended
	Oct. 26, 2017	Oct. 06, 2017	Aug. 01, 2017	Jul. 07, 2017	Apr. 03, 2017	Jan. 03, 2017	Mar. 10, 2016	Sep. 30, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Common stock, shares authorized (in shares)								100,000,000	100,000,000			100,000,000		100,000,000
Common Stock, Shares Outstanding and Reserved								28,731,754	28,731,754			28,731,754
Common Stock, Shares, Issued								23,078,668	23,078,668			23,078,668		21,916,143
Common Stock, Shares Subscribed but Unissued								4,817,305	4,817,305			4,817,305
Common Stock, Capital Shares Reserved for Future Issuance								757,904	757,904			757,904
Amount of Private Placement							$ 937,500						$ 1,875,000
Proceeds from Issuance of Private Placement									$ 93,750		$ 50,625	$ 144,375	$ 421,875
Stock Subscription Deposit								$ 142,107	142,107			$ 142,107
Subsequent Event [Member]
Shares Authorized During Period, Private Placement	5,000,000
Amount of Private Placement	$ 2,812,500
Chief Executive Officer [Member]
Proceeds from Issuance of Private Placement									$ 37,500
Deferred Compensation Arrangement with Individual, Shares Issued				74,552	76,095	145,405
Chief Executive Officer [Member] | Subsequent Event [Member]
Deferred Compensation Arrangement with Individual, Shares Issued		68,731
Chief Financial Officer [Member]
Deferred Compensation Arrangement with Individual, Shares Issued				9,940		19,387
Chief Financial Officer [Member] | Subsequent Event [Member]
Deferred Compensation Arrangement with Individual, Shares Issued		9,164
The Chief Executive Officer and Chief Financial Officer [Member]
Shares Issued, Price Per Share				$ 0.2515	$ 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	$ 21,250	$ 42,500
The Chief Executive Officer and Chief Financial Officer [Member] | Subsequent Event [Member]
Shares Issued, Price Per Share		$ 0.2728
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued		$ 21,250
Finders [Member]
Shares Issued, Price Per Share			$ 0.1875
Stock Issued During Period, Shares, Issued for Services			57,000
Stock Issued During Period, Value, Issued for Services			$ 10,671
Private Placement [Member]
Sale of Stock, Price Per Share							$ 0.1875
Share Price													$ 0.1875
Stock Issued During Period, Shares, New Issues									500,000	0	270,000
Shares Issued, Price Per Share								$ 0.1875	$ 0.1875		$ 0.1875	$ 0.1875
Private Placement [Member] | Subsequent Event [Member]
Sale of Stock, Price Per Share	$ 0.1875
Private Placement [Member] | Chief Executive Officer [Member]
Stock Issued During Period, Shares, New Issues									200,000
Shares Issued, Price Per Share								$ 0.1875	$ 0.1875			$ 0.1875
Subscription Agreement [Member]
Common Stock, Shares Subscribed but Unissued								7,579,059	7,579,059			7,579,059
Share Price								$ 0.1875	$ 0.1875			$ 0.1875
Common Stock, Value, Subscriptions								$ 1,400,000	$ 1,400,000			$ 1,400,000
Common Stock, Subscriptions, Deposit, Percentage								10.00%	10.00%			10.00%
Stock Subscription Deposit								$ 142,107	$ 142,107			$ 142,107
Stock Issued During Period, Value, New Issues								$ 0
Maximum [Member]
Shares Authorized During Period, Private Placement							5,000,000						10,000,000