SHARE CAPITAL (Options Granted to Employees) (Details) - Options And Restricted Stock Granted To Employees [Member] - $ / shares		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Number of options
Outstanding at beginning of year		4,729,617	4,884,211	6,952,293
Granted		6,360,000
Forfeited and Expired		1,088,942	154,594	1,514,957
Exercised	[1]		0	553,125
Outstanding at end of year		10,000,675	4,729,617	4,884,211
Exercisable at end of year		3,944,863	4,457,461	3,498,492
Weighted average exercise price
Outstanding at beginning of year		$ 3.604	$ 3.617	$ 3.363
Granted		0.541
Forfeited and Expired		4.604	4.004	3.748
Exercised	[1]			0.067
Outstanding at end of year		1.547	3.604	3.617
Exercisable at end of year		$ 3.065	$ 3.696	$ 4.296

[1] The total intrinsic value of options exercised during the years ended December 31, 2016, 2017 and 2018, was approximately $213,000, $0 and $0, respectively.