Note 10 - Convertible Notes - Related Parties (Details Textual)	3 Months Ended
Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Interest Expense, Related Party	$ 104,286	$ 80,139
Convertible Debt Payable to Related Party [Member]
Interest Payable, Related Party	418,228		$ 344,801
Interest Expense, Related Party	$ 61,244	$ 60,121
Debt Instrument, Convertible, Number of Equity Instruments	1,693,946

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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