Selected Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Schedule of inventory

Inventory as of December 31, 2019 and 2018:

(In thousands)	2019		2018
Raw materials	$	6,085	$	2,872
Work-in-process	541		638
Finished goods	190		48
Inventory	$	6,816	$	3,558

Schedule of property and equipment, net

Property and Equipment, net as of December 31, 2019 and 2018:

(In thousands)	2019			2018
Machinery and equipment	$	3,152		$	1,536
Furniture, fixtures and office equipment	775			775
Computer equipment and software	6,174			3,712
Leasehold improvements	5,256			4,587
Construction in process	859			2,801
Financing right-of-use lease	148			—
Total property and equipment, gross	16,364			13,411
Less accumulated depreciation	(9,220		)	(7,505		)
	$	7,144		$	5,906

Schedule of accrued expenses

Accrued Expenses as of December 31, 2019 and 2018:

(In thousands)	2019		2018
Bonus related compensation	$	5,116	$	5,161
Employee related accruals	1,785		1,559
Other accrued expenses	1,047		210
Accrued expenses	$	7,948	$	6,930