Note 9 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 1,831	$ 1,790	$ 3,532	$ 4,533
Effective Income Tax Rate Reconciliation, Percent	34.40%	41.50%	36.00%	37.10%