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Income Taxes - Summary of Current and Deferred Portions of Income Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Domestic (Israel) $ 306 $ 97 $ 281
Foreign 101 67 133
Income tax expenses $ 407 $ 164 $ 414