Note 3 - Income Taxes (Details) - Major Components of Income Tax Provision (Benefit) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Current:
Domestic	$ (4,776)	$ (778)	$ (2,911)	$ 4,529
Foreign	451	3	606	386
Total current income tax provision (benefit)	(4,325)	(775)	(2,305)	4,915
Deferred:
Domestic	1,812	2,043	5,400	(4,973)
Foreign	(2,987)	(1,088)	(7,288)	(1,004)
Total deferred income tax provision (benefit)	(1,175)	955	(1,888)	(5,977)
Total income tax provision (benefit)	$ (5,500)	$ 180	$ (4,193)	$ (1,062)