Note 9 - Income Taxes (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2016			2015			2016			2015
Income tax expense	$	11,897		$	8,128		$	18,312		$	12,068
Effective income tax rate		40.2	%		40.2	%		40.7	%		40.5	%