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Note 2 - Going Concern (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Retained Earnings (Accumulated Deficit), Ending Balance $ (80,193,134) $ (75,134,316)    
Cash and Cash Equivalents, at Carrying Value, Ending Balance 78,240 $ 323,943 $ 1,048,755 $ 288,721
Monthly Cash Requirement to Conduct Operations and Pay Dividend Obligations $ 537,000