Note 15 - Taxes On Income (Details) - Deferred Tax Assets and Liabilities - USD ($) $ in Thousands	Dec. 31, 2015		Dec. 31, 2014
Deferred tax assets (short-term):
Reserves and accruals			$ 149
Carryforward tax losses			626
Total deferred tax assets (short-term)			775
Total			775
Deferred tax assets (long-term):
Reserves and accruals	$ 1,823		1,669
Equity-based compensation	462		2,761
Intangible assets	805		1,198
Carryforward tax losses	5,798	[1]	27,621
Other			15
Total deferred tax assets (long-term)	8,888		33,264
Valuation allowance	(7,577)		(33,115)
Total	1,311		149
Total deferred tax assets	1,311		924
Deferred tax liabilities, net (Long term):
Acquired intangible assets	963		1,360
Acquired carryforward tax losses	(487)		(515)
Total deferred tax liabilities, net	$ 476		$ 845

[1] The amount in 2015 is after a deduction of $207,405 carryforward tax losses of a foreign subsidiary that expired by December 31, 2015.