Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Going Concern and Liquidity (Details Textual)

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Note 2 - Going Concern and Liquidity (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Cash and Cash Equivalents, at Carrying Value, Ending Balance $ 2,739,700 $ 2,094,238 $ 743,429 $ 2,636,956
Cash and Cash Equivalents, Period Increase (Decrease), Total $ 1,996,271 $ (542,718)