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Note 3 - Fair Value Measurements (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Warrant [Member]
Weighted Average [Member]
Note 3 - Fair Value Measurements (Details) [Line Items]      
Fair Value Assumptions, Risk Free Interest Rate     2.73%
Fair Value Assumptions, Expected Volatility Rate     90.59%
Assets, Fair Value Disclosure, Nonrecurring $ 0 $ 0  
Liabilities, Fair Value Disclosure, Nonrecurring $ 0 $ 0