Note 3 - Fair Value of Financial Instruments (Details) - Black-Scholes model to measure accrued warrant liability and stock options: (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Note 3 - Fair Value of Financial Instruments (Details) - Black-Scholes model to measure accrued warrant liability and stock options: [Line Items]
Stock Price (in Dollars per share)	$ 1.57
Term in years	5 years
Volatility	79.93%
Annual rate of quarterly dividends	0.00%
Discount rate- bond equivalent yield	1.40%
Minimum [Member]
Note 3 - Fair Value of Financial Instruments (Details) - Black-Scholes model to measure accrued warrant liability and stock options: [Line Items]
Exercise Price (in Dollars per share)	$ 1.60	$ 1.60
Term in years	259 days	1 year 32 days
Volatility	48.41%	82.75%
Discount rate- bond equivalent yield	0.07%	0.17%
Maximum [Member]
Note 3 - Fair Value of Financial Instruments (Details) - Black-Scholes model to measure accrued warrant liability and stock options: [Line Items]
Stock Price (in Dollars per share)	$ 1.57	$ 1.33
Exercise Price (in Dollars per share)	$ 5.00	$ 5.00
Term in years	2 years 10 days	2 years 149 days
Volatility	79.57%	95.91%
Annual rate of quarterly dividends	0.00%	0.00%
Discount rate- bond equivalent yield	0.34%	0.29%