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SHARE CAPITAL (Schedule of Assumptions Used to Estimate Fair Value) (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Employees [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Expected term 6 years 1 month 9 days  
Employees [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Value of one ordinary share $ 6.08 $ 6.24
Expected volatility 74.87% 70.43%
Risk-free interest rate 1.82% 2.67%
Expected term   5 years 6 months
Employees [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Value of one ordinary share $ 8.59 $ 10.40
Expected volatility 77.83% 73.35%
Risk-free interest rate 2.75% 2.83%
Expected term   7 years
Non Employees Member [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Value of one ordinary share   $ 10.40
Dividend yield   0.00%
Expected volatility   79.07%
Risk-free interest rate   2.86%
Expected term   10 years