Selected Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of inventory

Inventory as of March 31, 2020 and December 31, 2019:

(In thousands)	March 31, 2020		December 31, 2019
Raw materials	$	6,576	$	6,085
Work-in-process	617		541
Finished goods	89		190
Inventory	$	7,282	$	6,816

Schedule of property and equipment, net

Property and Equipment, net as of March 31, 2020 and December 31, 2019:

(In thousands)	March 31, 2020			December 31, 2019
Machinery and equipment	$	3,096		$	3,152
Furniture, fixtures and office equipment	810			775
Computer equipment and software	6,220			6,174
Leasehold improvements	5,256			5,256
Construction in process	1,532			859
Financing right-of-use lease	138			148
Total property and equipment, gross	17,052			16,364
Less accumulated depreciation	(9,629		)	(9,220		)
	$	7,423		$	7,144

Schedule of accrued expenses

Accrued Expenses as of March 31, 2020 and December 31, 2019:

(In thousands)	March 31, 2020		December 31, 2019
Bonus related compensation	$	2,014	$	5,116
Employee related accruals	2,653		1,785
Other accrued expenses	1,482		1,047
Accrued expenses	$	6,149	$	7,948