Note 12 - Stockholders' (Deficit) (Details) - Cumulative Arrearage of Undeclared Dividends - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Note 12 - Stockholders' (Deficit) (Details) - Cumulative Arrearage of Undeclared Dividends [Line Items]
Preferred Stock, Dividend, Cumulative Arrearage	$ 2,184,506	$ 4,719,540
Series A Preferred Stock [Member]
Note 12 - Stockholders' (Deficit) (Details) - Cumulative Arrearage of Undeclared Dividends [Line Items]
Preferred Stock, Dividend, Cumulative Arrearage	$ 102,526	$ 2,637,560
Preferred Stock, Dividend, Cumulative Arrearage Per Share (in Dollars per share)	$ 0.68	$ 0.64
Series B Preferred Stock [Member]
Note 12 - Stockholders' (Deficit) (Details) - Cumulative Arrearage of Undeclared Dividends [Line Items]
Preferred Stock, Dividend, Cumulative Arrearage	$ 609,887	$ 609,887
Preferred Stock, Dividend, Cumulative Arrearage Per Share (in Dollars per share)	$ 3.05	$ 3.05
Series C Preferred Stock [Member]
Note 12 - Stockholders' (Deficit) (Details) - Cumulative Arrearage of Undeclared Dividends [Line Items]
Preferred Stock, Dividend, Cumulative Arrearage	$ 1,472,093	$ 1,472,093
Preferred Stock, Dividend, Cumulative Arrearage Per Share (in Dollars per share)	$ 4.37	$ 4.37