Note 13 - Income Taxes (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	7.60%	36.30%	25.60%	35.50%