Note 10 - Commitments and Contingencies (Details Textual)	9 Months Ended
	Sep. 30, 2017 USD ($)
Long-term Debt, Including Accrued Interest	$ 21,475,002
Interest Payable	4,519,540
Notes Payable	16,579,050
Debt Instrument, Debt Default, Amount	9,675,000
Debt Instrument, Collateral Amount	10,533
Expected Annual Operating and Administrative Expenses, Minimum	$ 2,400,000
Convertible Debt [Member]
Debt Instrument, Term	2 years