Note 3 - Income Taxes (Details) - Major Components of Income Tax Provision (Benefit) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Current:
Domestic	$ 1,768	$ (1,192)	$ 1,865	$ 5,307
Foreign	(553)	227	155	383
Total current income tax provision (benefit)	1,215	(965)	2,020	5,690
Deferred:
Domestic	1,167	(3,886)	3,588	(7,016)
Foreign	(2,514)	(174)	(4,301)	84
Total deferred income tax benefit	(1,347)	(4,060)	(713)	(6,932)
Total income tax provision (benefit)	$ (132)	$ (5,025)	$ 1,307	$ (1,242)