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Balance Sheet Details - Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]    
Accounts receivable $ 16,436 $ 15,291
Less allowance for doubtful accounts (286) (196)
Accounts receivable, net $ 16,150 $ 15,095