Balance Sheet Components

3 Months Ended

Mar. 31, 2018

Balance Sheet Components

Balance Sheet Components

4. Balance Sheet Components

Inventory

Inventory consisted of the following (in thousands):

	March 31,		December 31,
	2018		2017
Raw materials	$	—	$	682
Work-in-process		4,928		4,517
Finished goods		3,975		4,638
Total inventory	$	8,903	$	9,837

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	March 31,		December 31,
	2018		2017
Accrued payroll-related expenses	$	1,142	$	1,331
Accrued inventory		183		524
Deferred rent		284		230
Accrued sales commissions payable to sales representatives		92		75
Other		426		94
Total accrued liabilities	$	2,127	$	2,254