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Balance Sheet Components (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Balance Sheet Components [Abstract]        
Depreciation expense $ 200 $ 100 $ 520 $ 349
Intangible asset useful life     12 years  
Restructuring charges liability $ 200   $ 200