Note 10 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit) (in Dollars)	$ 1,790	$ 3,040	$ 4,533	$ 6,999
Effective Income Tax Rate Reconciliation, Percent	41.50%	40.20%	37.10%	39.40%