Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Income Taxes (Details Textual)

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Note 11 - Income Taxes (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax Expense (Benefit), Total $ 6,702 $ (50,171) $ 15,597 $ (107,575)