Note 3 - Fair Value of Financial Instruments (Details) - Table summarizing the unobservable inputs into the fair value measurements: (USD $)

9 Months Ended

Sep. 30, 2013

Sep. 29, 2013

Dec. 31, 2012

Note 3 - Fair Value of Financial Instruments (Details) - Table summarizing the unobservable inputs into the fair value measurements: [Line Items]

Fair Value (in Dollars)

$ 3,761,524

Valuation Technique

	For the nine months ended September 30,
	2013					2012
Risk-free interest rate		0.02	-	1.92	%		0.71	-	1.49	%
Expected dividend yield				0	%				0	%
Expected life (in years)		5	-	7.3			5	-	6
Expected volatility		80.71	-	89.66	%		86.58	-	92.24	%

Range

2 years 6 months

(in Shares)

220,833

5,608,912

5,016,916

Quantity of options

Employee Stock Option [Member]

Note 3 - Fair Value of Financial Instruments (Details) - Table summarizing the unobservable inputs into the fair value measurements: [Line Items]

Fair Value (in Dollars)

166,783

Valuation Technique

Black-scholes pricing model

Unobservable Input

Expected term

Range

5 years

(in Shares)

5,608,912

Warrants Outstanding [Member]

Note 3 - Fair Value of Financial Instruments (Details) - Table summarizing the unobservable inputs into the fair value measurements: [Line Items]

Fair Value (in Dollars)

$ 3,594,741

Valuation Technique

Black-scholes pricing model

Unobservable Input

Expected term

Range

259 days

Warrants Outstanding [Member] | Maximum [Member]

Note 3 - Fair Value of Financial Instruments (Details) - Table summarizing the unobservable inputs into the fair value measurements: [Line Items]

Range

2 years 10 days