Note 9 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit) (in Dollars)	$ 1,144	$ 916	$ 5,678	$ 7,915
Effective Income Tax Rate Reconciliation, Percent	46.10%	35.90%	38.60%	39.00%