Note 13 - Equity Instruments (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Stock Issued During Period, Value, Issued for Services	$ 10,500
Common Stock [Member]
Stock Issued During Period, Shares, Issued for Services	16,406
Stock Issued During Period, Value, Issued for Services	$ 17
Director [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, Issued for Services	16,406	72,649
Stock Issued During Period, Value, Issued for Services	$ 10,500	$ 56,609
Employees [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, Issued for Services	710,353
Stock Issued During Period, Value, Issued for Services	$ 369,342