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Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details) - Estimates Utilized in the Black-Scholes Option Pricing Model (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Estimates Utilized in the Black-Scholes Option Pricing Model [Abstract]    
Fair value of options issued (in Dollars per share) $ 0.16 $ 0.21
Exercise price (in Dollars per share) $ 0.23 $ 0.39
Expected life of option (years) 7 years 146 days 6 years 36 days
Risk-free interest rate 1.30% 1.48%
Expected volatility 89.20% 58.10%
Dividend yield 0.00% 0.00%