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Note 2 - Summary of Significant Accounting Policies (Details) - Schedule of Unrecognized Tax Benefits Roll Forward
3 Months Ended
Mar. 31, 2019
USD ($)
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]  
Balance – January 1, 2019 $ 722,054
Balance – March 31, 2019 722,013
Decrease in unrecorded tax benefits taken $ (41)