Balance Sheet Details

12 Months Ended

Dec. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Details

Balance Sheet Details

Inventories

Inventories consisted of the following:

	As of December 31,
(In thousands)	2020		2019
Raw materials	$	7,945	$	3,997
Work in process	650		1,455
Finished goods	5,871		4,634
Total	$	14,466	$	10,086

Property, Plant and Equipment, net

Property, plant and equipment, net is comprised of the following:

	As of December 31,
(In thousands)	2020		2019
Computer software	$	49,862	$	50,453
Computer equipment	32,122		36,761
Furniture and fixtures	11,100		16,136
Leasehold improvements	9,658		10,316
Machinery	10,378		10,446
Construction in progress	27,250		1,691
Property, plant and equipment, gross	140,370		125,803
Less accumulated depreciation and amortization	(82,677)		(81,089)
Property, plant and equipment, net	$	57,693	$	44,714

Depreciation expense for the years ended December 31, 2020, 2019 and 2018 was $21.2 million, $15.2 million and $10.7 million, respectively.

Accumulated Other Comprehensive Gain (Loss)

Accumulated other comprehensive gain (loss) is comprised of the following:

	As of December 31,
(In thousands)	2020		2019
Foreign currency translation adjustments	$	129	$	105
Unrealized loss on available-for-sale securities, net of tax	(210)		(197)
Total	$	(81)	$	(92)