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Consolidated balance sheet components - Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Prepaid expenses $ 9,904 $ 12,465
Capitalized cloud computing costs, current 913 808
Short term deposits 115 745
Other current assets 2,546 1,909
Prepaid expenses and other current assets $ 13,478 $ 15,927