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Note 2 - Summary of Significant Accounting Policies (Details) - Schedule of Unrecognized Tax Benefits Roll Forward | 9 Months Ended
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Sep. 30, 2018 USD ($)
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract] |
Beginning Balance – January 1, 2018 | $ 1,428,561
Ending Balance – September 30, 2018 | 702,353
Decrease in unrecorded tax benefits taken in the nine months ended September 30, 2018 | $ (726,208)

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