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SHAREHOLDERS' EQUITY (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]    
Number, Options outstanding at the beginning of the period 74,713  
Number, Granted  
Number, Exercised  
Number, Forfeited (5,107)  
Number, Options outstanding at the end of the period 69,606 74,713
Number, Options exercisable at the end of the period 52,997  
Average exercise price, Options outstanding at the beginning of the period $ 41.6  
Average exercise price, Granted  
Average exercise price, Exercised  
Average exercise price, Forfeited 91.59  
Average exercise price, Options outstanding at the end of the period 37.9 $ 41.6
Average exercise price, Options exercisable at the end of the period $ 43.76  
Average remaining contractual life (in years), Options outstanding at the beginning of the period 5 years 7 months 2 days 6 years 4 months 2 days
Average remaining contractual life (in years), Options exercisable at the end of the period 4 years 11 months 8 days  
Aggregate intrinsic value (in thousands), Options outstanding $ 135
Aggregate intrinsic value (in thousands), Options exercisable at the end of the period