TAXES ON INCOME (Deferred Income Taxes) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
In respect of:
Timing Differences of Protalix Ltd.	$ 6,678	$ 11,761
Timing Differences of Protalix BioTherapeutics, Inc.	(501)	(426)
Net operating loss carry forwards	49,436	47,033
Valuation allowance	(55,613)	(58,368)
Deferred Tax Assets, Net of Valuation Allowance, Total	$ 0	$ 0