Note 8 - Loans Payable - Related Party (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Interest Expense, Related Party	$ 114,226	$ 105,292	$ 227,439	$ 209,578
Stock Issued During Period, Value, New Issues			$ 90,900	$ 59,768
Related Parties Lenders [Member]
Stock Issued During Period, Shares, New Issues	27,000	27,000	54,000	54,000
Stock Issued During Period, Value, New Issues	$ 27,270	$ 16,740	$ 54,540	$ 33,480
Loans Payable to Related Party [Member]
Interest Payable, Related Party	411,345		411,345		$ 357,373
Interest Expense, Related Party	$ 54,428	$ 43,367	$ 108,512	$ 86,409