SELECTED BALANCE SHEET COMPONENTS

9 Months Ended

Sep. 30, 2017

Balance Sheet Related Disclosures [Abstract]

Selected Balance Sheet Components

Inventory as of September 30, 2017 and December 31, 2016:



(In thousands)	September 30, 2017		December 31, 2016
Raw materials	$	3,727	$	3,214
Work-in-process	279		257
Finished goods	43		17
Inventory	$	4,049	$	3,488

Property and equipment, net as of September 30, 2017 and December 31, 2016:



(In thousands)	September 30, 2017			December 31, 2016
Machinery and equipment	$	3,264		$	3,150
Furniture, fixtures and office equipment	981			931
Computer equipment and software	3,485			3,147
Leasehold improvements	3,908			3,332
Construction in process	608			408
Total property and equipment, gross	12,246			10,968
Less: Accumulated depreciation	(8,279		)	(7,093		)
	$	3,967		$	3,875

Depreciation expense for both the three months ended September 30, 2017 and September 30, 2016 was $0.4 million and depreciation expense for both the nine months ended September 30, 2017 and September 30, 2016 was $1.2 million.

Accrued expenses as of September 30, 2017 and December 31, 2016:



(In thousands)	September 30, 2017		December 31, 2016
Bonus related compensation	$	1,608	$	2,433
Employee related accruals	2,021		1,668
Clinical trial related accruals	379		422
Other	506		—
	$	4,514	$	4,523