Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Balance Sheet Components - Schedule of Allowances for Accounts Receivable (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Allowances - accounts receivable    
Doubtful accounts $ 2,086 $ 1,664
Rental revenue adjustments 5,959 4,115
Sales returns 543 366
Total allowances - accounts receivable $ 8,588 $ 6,145