Note 3 - Major Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Current:
Domestic	$ (2,506)	$ 97
Foreign	1,015	708
Total current income tax (benefit) provision	(1,491)	805
Deferred:
Domestic	588	2,422
Foreign	2,557	(1,788)
Total deferred income tax provision (benefit)	3,145	634
Total income tax provision	$ 1,654	$ 1,439