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Note 9 - Warrants (Details) - Warrants - Fair Value Weighted Average Assumptions (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Warrants - Fair Value Weighted Average Assumptions [Abstract]    
Stock Price (in Dollars per share) $ 2.57 $ 4.44
Exercise Price (in Dollars per share) $ 14.93 $ 14.93
Expected Volatility 77.00% 112.00%
Expected Dividend Yield 0.00% 0.00%
Expected Term (in years) 2 years 292 days 4 years
Risk-free Interest Rate 0.66% 0.37%