Note 8 - Income Taxes (Tables)

3 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

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

	Three Months Ended March 31,
	2014			2013
Income tax expense	$	859		$	1,651
Effective income tax rate		40.2	%		65.5	%