SHARE CAPITAL - Options and Restricted Stocks Granted to Consultants, Directors and Other Service Providers (Details) - Options and Restricted Stocks Granted To Consultants Directors And Other Service Providers [Member] - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of options/ restricted stock
Outstanding at beginning of year	15,000	20,000	20,800
Expired	0	5,000	800
Outstanding at end of year	15,000	15,000	20,000
Exercisable at end of year	15,000	15,000	20,000
Weighted average exercise price
Outstanding at beginning of year	$ 33.70	$ 32.82	$ 31.56
Expired	0.00	30.20	0.001
Outstanding at end of year	33.70	33.70	32.82
Exercisable at end of year	$ 33.70	$ 33.70	$ 32.82