Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Schedule of Allowances for Accounts Receivable (Details)

v3.21.2
Balance Sheet Components - Schedule of Allowances for Accounts Receivable (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Allowances - accounts receivable    
Doubtful accounts $ 47 $ 52
Rental revenue adjustments 520 396
Sales returns 964 742
Total allowances - accounts receivable $ 1,531 $ 1,190