Note 2 - Liquidity and Going Concern (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Retained Earnings (Accumulated Deficit), Ending Balance	$ (86,938,163)	$ (66,435,768)

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
-Subparagraph (SX 210.5-02(30)(a)(3))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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