Note 7 - Loans Payable - Loans Payable (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Loans payable	$ 10,117,369	$ 9,981,883
Short-term Loan Payable to Global Holdings International, LLC [Member]
Loans payable	9,675,000	9,675,000
Short-term Mortgage Payable to ARG & Pals, Inc. [Member]
Loans payable	292,369	306,883
Short-term Loan Payable to an Individual [Member]
Loans payable	50,000
Second Short-term Loan Payable to an Individual [Member]
Loans payable	$ 100,000