Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2016

Balance Sheet Components

Schedule of Inventory

Inventory consisted of the following (in thousands):

	December 31,
	2016		2015
Raw materials	$	853	$	361
Work-in-process		3,152		2,205
Finished goods		1,064		1,610
Total inventory	$	5,069	$	4,176

Schedule of Property and equipment, net

Property and equipment, net consisted of the following (in thousands):

	December 31,
	2016		2015
Manufacturing equipment	$	8,983	$	8,256
Computer and network equipment		588		546
Furniture and fixtures		188		184
Software		333		227
Leasehold improvements		13		13
Total property and equipment, gross		10,105		9,226
Less: accumulated depreciation		(8,185)		(7,572)
Total property and equipment, net	$	1,920	$	1,654

Schedule of Intangible Assets, Net

Intangible assets, net consisted of the following (in thousands):

	December 31,
	2016			2015
Acquired technology	$	910	$		910
Less: accumulated amortization		(910)			(778)
Total intangible assets, net	$	—	$		132

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	December 31,
	2016			2015
Accrued payroll-related expenses	$	1,045	$	636
Accrued manufacturing-related costs		—		339
Deferred licensing revenue		229		250
Deferred rent		248		220
Accrued sales commissions payable to sales representatives		193		165
Other		96		145
Total accrued liabilities	$	1,811	$	1,755