Note 6 - Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

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

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

Risk-free interest rates	0.81%
Expected term (in years)	3.375
Dividend yield	0.80%
Expected volatility	33.50%