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, 2014	Jun. 30, 2013
Estimates Utilized in the Black-Scholes Option Pricing Model [Abstract]
Fair value of options issued (in Dollars per share)	$ 3.34	$ 1.58
Exercise price (in Dollars per share)	$ 4.34	$ 2.32
Expected life of option	5 years 219 days	7 years 146 days
Risk-free interest rate	1.79%	1.30%
Expected volatility	98.10%	89.20%
Dividend yield	0.00%	0.00%