Note 4 - Equity Incentive Plan (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Three Months Ended June 30,
	2014			2013
Risk free interest rate	1.16%	-	1.30%		0.65%
Expected volatility		53.28%			57.60%
Expected lives (years)		4			4
Expected dividend yield		0.00%			0.00%

	Six Months Ended June 30,
	2014			2013
Risk free interest rate	1.16%	-	1.33%	0.61%	-	0.70%
Expected volatility		53.28%			57.60%
Expected lives (years)		4			4
Expected dividend yield		0.00%			0.00%