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Balance Sheet Components - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at beginning of period $ 77 $ 36
Reductions credited (51) (10)
Balance at end of period $ 26 $ 26