Note 18 - Income Taxes (Details) - Components of Income Tax Provision (Benefit) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
State									$ 490	$ 208	$ (768)
Foreign									13,983	2,886	7,331
									14,473	3,094	6,563
Deferred:
Federal											(17,312)
State											(44)
Foreign									13,135	10,458	12,620
									13,135	9,245	(4,736)
	$ 9,877	$ 6,444	$ 4,967	$ 6,320	$ (1,476)	$ 5,201	$ 5,780	$ 4,047	$ 27,608	$ 13,552	$ 1,827