Note 7 - Income Taxes (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Taxes [Abstract]
Effective Income Tax Rate Reconciliation, Percent	7.80%	19.70%	88.30%	19.30%