Selected Balance Sheet Components

12 Months Ended

Dec. 31, 2018

Balance Sheet Related Disclosures [Abstract]

Selected Balance Sheet Components

Selected Balance Sheet Components

Inventory

Inventory as of December 31, 2018 and 2017:

(In thousands)	2018		2017
Raw materials	$	2,872	$	3,532
Work-in-process	638		226
Finished goods	48		35
Inventory	$	3,558	$	3,793

Property and Equipment

Property and Equipment, net as of December 31, 2018 and 2017:

(In thousands)	2018			2017
Machinery and equipment	$	1,536		$	1,249
Furniture, fixtures and office equipment	775			872
Computer equipment and software	3,712			3,536
Leasehold improvements	4,587			4,213
Construction in process	2,801			822
	13,411			10,692
Less accumulated depreciation	(7,505		)	(6,621		)
Property and Equipment	$	5,906		$	4,071

Depreciation expense for the years ended December 31, 2018, 2017 and 2016 were $1.4 million, $1.6 million and $1.6 million, respectively.

Accrued Expenses

Accrued Expenses as of December 31, 2018 and 2017:

(In thousands)	2018		2017
Bonus	$	5,161	$	2,693
Employee related accruals	1,559		2,389
Other accrued expenses	210		491
Accrued expenses	$	6,930	$	5,573