XML 44 R48.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
SHAREHOLDERS' EQUITY (Schedule Of Weighted Average Assumptions) (Details) - Non-employees [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Volatility 56.20% 55.15% 52.09%
Risk-free interest rate 1.71% 2.54% 2.21%
Dividend yield 0.00% 0.00% 0.00%
Expected life (years) 6 years 5 years 10 months 6 days 5 years 2 months 23 days