Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2018

Balance Sheet Components

Schedule of Inventory

Inventory consisted of the following (in thousands):

	June 30,		December 31,
	2018		2017
Raw materials	$	92	$	682
Work-in-process		3,766		4,517
Finished goods		5,763		4,638
Total inventory	$	9,621	$	9,837

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	June 30,		December 31,
	2018		2017
Accrued payroll-related expenses	$	1,267	$	1,331
Accrued joint development agreement expenses		3,446		749
Accrued inventory		690		897
Deferred rent		322		230
Accrued sales commissions payable to sales representatives		133		75
Other		481		466
Total accrued liabilities	$	6,339	$	3,748