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Balance Sheet Components (Schedule of Inventory) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Balance Sheet Components [Abstract]    
Raw materials $ 4,178 $ 2,447
Finished products 16,126 15,437
Inventory, gross 20,304 17,884
Less: Reserve for excess and obsolete (11) (33)
Inventories $ 20,293 $ 17,851