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Balance Sheet Components - Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value   $ 1,849
Accumulated Amortization   (1,818)
Net Carrying Value $ 0 31
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value   1,658
Accumulated Amortization   (1,630)
Net Carrying Value   28
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value   191
Accumulated Amortization   (188)
Net Carrying Value   $ 3