Note 8 - Taxes on Income (Tax Benefits) (Detail) - Unrecognized Tax Benefits Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Balance at January 1,	$ 1,672	$ 2,624	$ 1,010
Additions for tax positions of prior years	41	77	2,052
Reductions for tax positions of prior years	(238)
Lapse in statute of limitations	(406)	(1,076)	(618)
Foreign currency translation	(19)	47	180
Balance at December 31, total tax provision	$ 1,050	$ 1,672	$ 2,624