Consolidated Statements of Comprehensive Loss - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Statement [Abstract]      
Net loss $ (78,335) $ (36,477) $ (20,130)
Unrealized loss on available-for-sale marketable securities (123) (1)  
Comprehensive loss $ (78,458) $ (36,478) $ (20,130)