Note 12 - Stockholders' (Deficit) - Dividends Payable (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Series A Preferred Stock [Member]
Dividends accreted	$ 0	$ 181,886
Divideds accreted per share (in dollars per share)	$ 0	$ 0.05
Series B Preferred Stock [Member]
Dividends accreted	$ 0	$ 0
Divideds accreted per share (in dollars per share)	$ 0	$ 0
Series C Preferred Stock [Member]
Dividends accreted	$ 0	$ 0
Divideds accreted per share (in dollars per share)	$ 0	$ 0