Note 8 - Convertible Debt PIK Notes (Details) - USD ($)	Sep. 30, 2015	Jul. 31, 2015	Dec. 31, 2014	Nov. 03, 2014	Aug. 05, 2013
Payment in Kind (PIK) Note [Member] | Series 2023 Notes [Member]
Debt Instrument, Face Amount	$ 12,762,816		$ 11,576,250		$ 10,500,000
Less: Discount	(1,889,561)		(1,949,555)
Convertible Notes Payable	10,873,255		9,626,695
Derivative Liability	215,842		478,149
Payment in Kind (PIK) Note [Member] | Series A Notes [Member]
Debt Instrument, Face Amount	20,840,910	$ 992,424	19,848,486	$ 19,848,486
Less: Discount	(15,864,579)		(16,450,742)	$ (7,348,486)
Convertible Notes Payable	4,976,331		3,397,744
Derivative Liability	3,420,627		9,557,476
Payment in Kind (PIK) Note [Member]
Debt Instrument, Face Amount	33,603,726		31,424,736
Less: Discount	(17,754,140)		(18,400,297)
Convertible Notes Payable	15,849,586		13,024,439
Derivative Liability	3,636,469		10,035,625
Less: Discount	(17,745,140)		(18,400,297)
Derivative Liability	$ 3,636,469		$ 10,035,625