Note 11 - Fair Value Measures (Details) - Fair Value Assumptions For Outstanding Convertible Notes (USD $)	0 Months Ended			2 Months Ended	4 Months Ended	6 Months Ended	1 Months Ended			0 Months Ended	1 Months Ended	4 Months Ended	6 Months Ended
	Jan. 16, 2013	Jun. 30, 2014	Dec. 31, 2013	Feb. 22, 2013 2011 Convertible Notes [Member]	Jun. 30, 2013 2011 Convertible Notes [Member]	Dec. 31, 2013 2011 Convertible Notes [Member]	Dec. 31, 2013 2012 Convertible Notes [Member]	Mar. 30, 2013 2012 Convertible Notes [Member]	Feb. 22, 2013 2012 Convertible Notes [Member]	Jan. 16, 2013 Third Tranche Convertible Notes [Member]	Feb. 22, 2013 Third Tranche Convertible Notes [Member]	Jun. 30, 2013 Third Tranche Convertible Notes [Member]	Dec. 31, 2013 Third Tranche Convertible Notes [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Stock Price (in Dollars per share)	$ 0.15			$ 0.14	$ 0.10	$ 0.04	$ 0.04	$ 0.10	$ 0.14	$ 0.15	$ 0.14	$ 0.10	$ 0.04
Strike Price (in Dollars per share)	$ 0.15			$ 0.10	$ 0.10	$ 0.06	$ 0.06	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0.06
Expected remaining term (in years)	5 years			2 years 127 days	2 years	1 year 6 months	1 year 6 months	2 years 3 days	2 years 127 days	3 years	2 years 328 days	2 years 200 days	2 years 14 days
Stock Volatility	110.00%			100.00%	100.00%	95.00%	95.00%	100.00%	100.00%	100.00%	100.00%	100.00%	95.00%
Risk-Free Rate	0.75%			0.32%	0.36%	0.25%	0.26%	0.36%	0.32%	0.36%	0.39%	0.52%	0.40%
Dividend Rate	0.00%			0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Outstanding Shares of Common Stock (in Shares)	32,434,430	176,025,000	125,000,000	59,576,097	66,480,399	160,664,862	160,664,862	66,480,399	59,576,097	32,434,430	59,576,097	66,480,399	160,664,862
Effective discount rate				13.20%	13.20%	19.60%	19.60%	13.20%	13.20%	13.20%	13.20%	13.20%	21.30%
Probability of forced redemption				20.00%	20.00%	20.00%	20.00%	20.00%	20.00%	20.00%	20.00%	20.00%	20.00%