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Balance Sheet Components (Schedule Of Inventory) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Balance Sheet Components [Abstract]    
Raw materials $ 3,073 $ 2,010
Work in process 1,676 1,371
Finished goods 2,738 2,443
Total inventory $ 7,487 $ 5,824