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Note 2 - Summary of Significant Accounting Policies (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]    
Balance – January 1, 2018 and March 31, 2018 $ 1,428,561 $ 2,000,000