Note 15 - Taxes on Income - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Reserves and accruals	$ 499	$ 284
Equity-based compensation	2,348	1,621
Intangible assets	86	184
Carryforward tax losses	9,370	6,715
Other	941	858
Total deferred tax assets	13,244	9,662
Valuation allowance	(6,867)	(6,082)
Total deferred tax assets	6,377	3,580
Acquired intangible assets	119	195
Acquired carryforward tax losses		(44)
Total deferred tax liabilities, net	$ 119	$ 151