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Note 5 - Stockholders' Equity (Details) - Stockholders' Equity Note, Warrants (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Stockholders' Equity Note, Warrants [Abstract]    
Outstanding (in Shares) 11,225,559 1,870,559
Outstanding (in Dollars per share) $ 2.06 $ 7.96
Exercisable at September 30, 2013 8,292,226 8,290,376
Exercisable at September 30, 2013 (in Dollars per share) $ 2.53 $ 2.44
Exercised (2,933,333) 0
Exercised (in Dollars per share) $ 0.56 $ 0
Outstanding (in Shares) 8,292,226 11,225,559
Outstanding (in Dollars per share) $ 2.53 $ 2.06