Post-effective amendment to a registration statement that is not immediately effective upon filing

Taxes on Income - Summary of Reconciliation of Effective Income Tax Rate (Detail)

v3.21.2
Taxes on Income - Summary of Reconciliation of Effective Income Tax Rate (Detail)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Israel tax provision at statutory rate 23.00% 23.00% 23.00% 21.00%
Non-deductible share-based compensation (0.61%) (0.63%) (0.60%)  
Effect of other permanent differences (3.92%) (0.06%) (0.08%)  
Change in valuation allowance (18.95%) (22.32%) (21.94%)  
Other adjustments 0.25%   0.44%  
Effective tax rate (0.23%) (0.01%) (0.06%)