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SHARE CAPITAL (Options Granted to Employees) (Details) - Options And Restricted Stock Granted To Employees [Member] - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Intrinsic value of options exercised $ 306,000 $ 447,000 $ 675,000
Common stock issued 550,000    
Number of options      
Outstanding at beginning of year 5,870,309 5,153,898 5,253,579
Granted 1,909,000 900,000  
Forfeited and expired 277,016 44,201 20,558
Exercised [1] 550,000 139,388 79,123
Outstanding at end of year 6,952,293 5,870,309 5,153,898
Exercisable at end of year 4,477,043 4,905,559 4,614,148
Weighted average exercise price      
Outstanding at beginning of year $ 3.770 $ 3.951 $ 3.923
Granted 1.72 2.370  
Forfeited and expired 5.395 6.833 6.603
Exercised [1] 0.972 0.446 1.418
Outstanding at end of year 3.363 3.770 3.951
Exercisable at end of year $ 4.182 $ 3.933 $ 3.591
[1] The total intrinsic value of options exercised during the years ended December 31, 2013, 2014 and 2015, was approximately $306,000, $447,000 and $675,000, respectively.