Balance Sheet Details - Other (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts Receivable, Net
Accounts receivable	$ 19,333	$ 17,248
Allowance for doubtful accounts	(660)	(592)
Accounts receivable, net	18,673	16,656
Inventory
Finished goods	4,256	4,225
Work in process	3,197	2,368
Raw materials	5,829	4,629
Total inventory	13,282	11,222
Accrued Liabilities
Accrued bonuses	8,604	9,106
Accrued legal expenses	2,466	591
Accrued vacation benefits	2,446	2,121
Accrued Employee Stock Purchase Plan liability	1,154	1,517
Other accrued liabilities	9,294	7,114
Total accrued liabilities	$ 23,964	$ 20,449

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Also includes the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.