Note 9 - Income Taxes (Tables)

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

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

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2014			2013			2014			2013
Income tax expense	$	876		$	3,573		$	1,735		$	5,224
Effective income tax rate		35.5	%		41.0	%		37.7	%		46.5	%