Note 9 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 939	$ 1,144	$ 4,471	$ 5,678
Effective Income Tax Rate Reconciliation, Percent	37.60%	46.10%	36.40%	38.60%