Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

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

	2014			2013
Volatility		27.37	%		26.65	%
Risk free interest rate		1.68	%		1.40	%
Expected dividends	$	0.14		$	—
Annual dividend rate		2.22	%		—	%
Assumed forfeiture rate		—			—
Expected life		7			7