Note 7 - Convertible Debt (PIK Notes) (Details) - Liability Components of the PIK Notes - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Nov. 03, 2014	Aug. 31, 2013
Note 7 - Convertible Debt (PIK Notes) (Details) - Liability Components of the PIK Notes [Line Items]
Less: Discount	$ (17,919,567)	$ (18,400,297)
PIK Note Derivative Liability	8,841,643	10,035,625
Payment in Kind (PIK) Note [Member]
Note 7 - Convertible Debt (PIK Notes) (Details) - Liability Components of the PIK Notes [Line Items]
PIK Note Payable, Gross	32,003,549	31,424,736
Less: Discount	(17,919,567)	(18,400,297)
PIK Note Payable, Net	14,083,982	13,024,439
PIK Note Derivative Liability	8,841,643	10,035,625
Series 2023 Notes [Member] | Payment in Kind (PIK) Note [Member]
Note 7 - Convertible Debt (PIK Notes) (Details) - Liability Components of the PIK Notes [Line Items]
PIK Note Payable, Gross	12,155,063	11,576,250		$ 10,500,000
Less: Discount	(1,912,683)	(1,949,555)
PIK Note Payable, Net	10,242,380	9,626,695
PIK Note Derivative Liability	482,627	478,149
Series A Notes [Member] | Payment in Kind (PIK) Note [Member]
Note 7 - Convertible Debt (PIK Notes) (Details) - Liability Components of the PIK Notes [Line Items]
PIK Note Payable, Gross	19,848,486	19,848,486	$ 19,848,486
Less: Discount	(16,006,884)	(16,450,742)	$ (7,348,486)
PIK Note Payable, Net	3,841,602	3,397,744
PIK Note Derivative Liability	$ 8,359,016	$ 9,557,476