Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Components of Inventory

Inventory consists of the following (in thousands):

	September 30,		December 31,
	2018		2017
Work in process	$	1,376	$	1,214
Finished goods		1,133		1,633
Total inventory	$	2,509	$	2,847

Components of Property and Equipment - Net

Property and equipment consists of the following (in thousands):

	September 30,			December 31,
	2018			2017
Computer equipment and software	$	980		$	687
Leasehold improvements		61			59
Furniture		30			30
Total property and equipment		1,071			776
Less: accumulated depreciation		(619	)		(451	)
Total property and equipment - net	$	452		$	325

Components of Accrued Liabilities

Accured liabilities consist of the following (in thousands):

	September 30,		December 31,
	2018		2017
Engineering services	$	407	$	131
Payroll-related expenses		359		291
Professional fees		86		23
Accrued warranty		66		73
Taxes payable		22		37
Other		34		18
Total accrued liabilities	$	974	$	573