Note 11 - Fair Value Measures (Details) - Fair Value Monte Carlo Simulation Model February 2013 Warrants (USD $)	0 Months Ended			2 Months Ended	4 Months Ended	6 Months Ended
	Jan. 16, 2013	Jun. 30, 2014	Dec. 31, 2013	Feb. 22, 2013 February 2013 Warrants [Member]	Jun. 30, 2013 February 2013 Warrants [Member]	Dec. 31, 2013 February 2013 Warrants [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Stock Price (in Dollars per share)	$ 0.15			$ 0.12	$ 0.09	$ 0.04
Exercise Price (in Dollars per share)	$ 0.15			$ 0.20	$ 0.20	$ 0.08
Expected Life (in years)	5 years			5 years	4 years 237 days	4 years 54 days
Stock Volatility	110.00%			110.00%	110.00%	100.00%
Risk-Free Rate	0.75%			0.84%	1.28%	1.34%
Number of Steps				100,000	100,000	100,000
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