Note 8 - Warrants (Details Textual) - Warrants Issued to Consultants [Member]	3 Months Ended	9 Months Ended
Sep. 30, 2018 USD ($) yr	Sep. 30, 2018 USD ($) yr	Apr. 15, 2018 USD ($) $ / shares shares
Class of Warrant or Right, Number of Securities Called by Warrants or Rights \| shares			452,617
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares			$ 0.27
Warrants and Rights Outstanding			$ 75,967
Warrants and Rights Outstanding, Term			2 years
Issuance of Stock and Warrants for Services or Claims	$ 9,496	$ 18,269
Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	2.07	2.07
Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input \| yr	2	2
Measurement Input, Discount Rate [Member]
Warrants and Rights Outstanding, Measurement Input	0.0239	0.0239

Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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