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SHARE CAPITAL (Schedule of Stock Option Activity) (Details) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Employees [Member]      
Number of options      
Options outstanding at beginning of year 1,031,591 938,090  
Granted 95,300  
Exercised (28,447)  
Expired (563)  
Forfeited (2,250) (1,238)  
Options outstanding at end of year 1,000,894 1,031,591 938,090
Options exercisable at the end of the year 900,687 683,979  
Weighted-average exercise price      
Options outstanding at beginning of year $ 4.74 $ 4.47  
Granted 6.24  
Exercised 5.27  
Expired 5.57  
Forfeited 7.77 5.57  
Options Outstanding at end of year 4.63 4.74 $ 4.47
Options exercisable at the end of the year $ 4.08 $ 3.60  
Weighted-average remaining contractual life      
Options outstanding 6 years 18 days 7 years 2 months 30 days 7 years 10 months 21 days
Granted   9 years 2 months 1 day  
Options exercisable at the end of the year 5 years 8 months 2 days 6 years 6 months 21 days  
Non Employees Member [Member]      
Number of options      
Options outstanding at beginning of year 198,575 198,575  
Granted  
Options outstanding at end of year 198,575 198,575 198,575
Options exercisable at the end of the year 137,771 96,588  
Weighted-average exercise price      
Options outstanding at beginning of year $ 7.48 $ 7.48  
Granted  
Options Outstanding at end of year 7.70 7.48 $ 7.48
Options exercisable at the end of the year $ 7.34 $ 6.97  
Weighted-average remaining contractual life      
Options outstanding 6 years 10 months 3 days 7 years 10 months 3 days 8 years 9 months 22 days
Options exercisable at the end of the year 6 years 9 months 18 days 7 years 9 months 11 days