TAXES ON INCOME (Deferred Income Taxes) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
In respect of:
Timing Differences	$ 3,520	$ 3,588
Net operating loss carry forwards	38,515	33,451
Valuation allowance	(42,035)	(37,039)
Deferred Tax Assets, Net of Valuation Allowance, Total	$ 0	$ 0