XML 17 R6.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement of Comprehensive Income [Abstract]        
Unrealized loss on marketable securities, tax $ 0 $ 0 $ 0 $ 0
Foreign currency translation gain, tax $ 0 $ 0 $ 0 $ 0