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Balance Sheet Components (Schedule Of Amortization Of Intangible Assets) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Balance Sheet Components [Abstract]    
2022 (remaining 9 months) $ 499  
2023 665  
2024 665  
2025 665  
2026 556  
Intangible assets, net $ 3,050 $ 3,216