Note 8 - Loans Payable - Related Party (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Interest Expense, Related Party	$ 113,213	$ 104,286
Stock Issued During Period, Value, New Issues	$ 45,450	$ 26,908
Related Parties Lenders [Member]
Stock Issued During Period, Shares, New Issues	27,000	27,000
Stock Issued During Period, Value, New Issues	$ 27,270	$ 16,740
Loans Payable to Related Party [Member]
Interest Payable, Related Party	384,187		$ 357,373
Interest Expense, Related Party	$ 26,814		$ 43,042

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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