Note 6 - Common Stock (Details Textual) - USD ($)										3 Months Ended			12 Months Ended
	Feb. 02, 2018	Jan. 09, 2018	Nov. 23, 2017	Oct. 26, 2017	Oct. 06, 2017	Aug. 01, 2017	Jul. 07, 2017	Apr. 07, 2017	Jan. 03, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 26, 2017	Dec. 14, 2017	Sep. 09, 2017	Dec. 31, 2015
Common Stock, Shares Authorized													100,000,000	100,000,000
Common Stock, Shares Outstanding and Reserved													38,823,759
Common Stock, Shares, Outstanding													23,156,563	21,916,143
Proceeds from Issuance of Private Placement			$ 56,225							$ 93,750		$ 50,625	$ 144,357	$ 332,125
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number													0					8,568
Stock Issued During Period, Value, Issued for Services													$ 10,688
Due to Affiliate, Current													$ 777,258	$ 187,500
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					68,731		74,552	76,095	145,405
Chief Executive Officer [Member] | Subsequent Event [Member]
Deferred Compensation Arrangement with Individual, Shares Issued		79,499
Chief Financial Officer [Member]
Deferred Compensation Arrangement with Individual, Shares Issued					9,164		9,940		19,387
Chief Financial Officer [Member] | Subsequent Event [Member]
Deferred Compensation Arrangement with Individual, Shares Issued		10,199
The Chief Executive Officer and Chief Financial Officer [Member]
Shares Issued, Price Per Share					$ 0.2728		$ 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	$ 21,250	$ 42,500
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						$ 10,688
CEO and CFO [Member] | Subsequent Event [Member]
Shares Issued, Price Per Share		$ 0.2451
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued		$ 21,250
Private Placement [Member]
Stock Issued During Period, Shares, New Issues										500,000	0	270,000
Shares Issued, Price Per Share										$ 0.1875		$ 0.1875
Common Stock, Shares Subscribed but Unissued			300,000
Common Stock, Value, Subscriptions			$ 56,250
Sale of Stock, Price Per Share			$ 0.1875	$ 0.1875
Payment for International Wire Fees			$ 25
Private Placement [Member] | Chief Executive Officer [Member]
Stock Issued During Period, Shares, New Issues										200,000
Shares Issued, Price Per Share										$ 0.1875
Due to Affiliate, Current														$ 187,500
Private Placement [Member] | Chief Executive Officer [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues	1,000,000
Share Price	$ 0.1875
Subscription Agreement [Member]
Common Stock, Shares Subscribed but Unissued															2,884,132		7,579,059
Share Price															$ 0.25		$ 0.1875
Common Stock, Value, Subscriptions															$ 721,033	$ 1,278,967	$ 1,421,074
Common Stock, Subscriptions, Deposit, Percentage																	10.00%
Stock Subscription Deposit																	$ 142,107
Stock Subscription Deposit, Shares																	757,904
Debt Convertible to Common Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance													15,667,196