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Note 6 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants (Warrant [Member])
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Warrant [Member]
   
Note 6 - Warrants (Details) - Assumptions Used to Determine Fair Value of Warrants [Line Items]    
Risk free interest rate 0.11%  
Expected volatility 171.00%  
Expected life in years 6 months 2 years 6 months