Note 8 - Taxes on Income (Tax Benefits) Components of Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 8,603	$ 9,237	$ 1,789
Foreign	6,078	9,704	8,878
State	527	995	423
Subtotal	15,208	19,936	11,090
Deferred:
Federal	(2,075)	(1,817)	(2,064)
Foreign	(727)	69	492
State	(252)	475	(1,334)
Subtotal	(3,054)	(1,273)	(2,906)
Total tax provision	$ 12,154	$ 18,663	$ 8,184