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Note 2 - Going Concern (Details Textual) - USD ($)
1 Months Ended 9 Months Ended
Jul. 23, 2020
Jul. 31, 2020
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Retained Earnings (Accumulated Deficit), Ending Balance     $ (98,072,245)   $ (89,723,016)
Cash and Cash Equivalents, at Carrying Value, Ending Balance     18,395,508   $ 79,013
Monthly Cash Requirement to Conduct Operations and Pay Dividend Obligations     680,000    
Proceeds from Issuance or Sale of Equity, Total $ 22,700,000 $ 22,700,000      
Repayments of Convertible Debt $ 4,200,000   $ 4,509,250 $ 707,000  
Lind Global Macro Fund, L.P. [Member]          
Repayments of Convertible Debt   $ 4,200,000