Consolidated Balance Sheet Detail

12 Months Ended

Dec. 31, 2020

Disclosure Text Block [Abstract]

Consolidated Balance Sheet Detail

8. Consolidated Balance Sheet Detail

Inventories, net

Inventories, net consists of the following:

	December 31,
	2020		2019
	(Amounts in thousands)
Raw materials	$	48,746	$	29,328
Work-in-process		8,084		8,360
Finished products		38,195		17,144
Total inventories, net	$	95,025	$	54,832

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	December 31,
	2020		2019
	(Amounts in thousands)
Equipment maintenance and services	$	4,601	$	1,662
Prepaid income taxes		2,649		2,719
Prepaid insurance		1,936		80
Other		9,490		1,456
Total prepaid expenses and other current assets	$	18,676	$	5,917

Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,
	2020			2019
	(Amounts in thousands)
Land	$	1,023		$	1,023
Buildings		1,007			764
Leasehold improvements		31,331			23,905
Equipment		43,072			36,257
Furniture, fixtures and office equipment		8,714			6,312
Computer hardware and software		15,397			8,810
Construction in progress		14,927			6,707
Other		455			56
Total property, plant and equipment		115,926			83,834
Less - Accumulated depreciation		(49,056	)		(35,379	)
Total property, plant and equipment, net	$	66,870		$	48,455

Depreciation expense totaled $10.9 million, $7.3 million and $5.2 million in the fiscal years ended December 31, 2020, 2019 and 2018, respectively.

Accrued Liabilities

Accrued liabilities consist of the following:

	December 31,
	2020		2019
	(Amounts in thousands)
Employee compensation	$	20,288	$	19,850
Income taxes payable		1,423		3,874
Royalty and license fees		466		123
Warranties		1,576		1,500
Professional fees		1,425		1,081
Deferred revenue		15,318		5,005
Other		12,589		1,898
Total accrued liabilities	$	53,085	$	33,331