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The Company and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Accounting Policies [Abstract]      
Maximum specific allowance as percentage of invoice value for problematic customer balances 100.00%    
Allowance for doubtful accounts $ 0   $ 0
Inventory write-downs $ 0 $ 100,000  
Payment terms The Company sells its products both directly to customers and through distributors generally under agreements with payment terms typically less than 60 days.    
Deferred revenue, revenue recognized $ 0