Property and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

(9) Property and Equipment

Property and equipment at December 31, 2022 and 2021 are summarized as follows:

(in thousands)	2022		2021		Useful Life (in years)
Building	$	94	$	84	25-30
Machinery and equipment	130,874		117,446		2-5
Capitalized software	25,952		24,149		3-5
Office furniture and equipment	5,540		5,188		1-5
Leasehold improvements	34,567		32,200		Life of lease a
Construction in progress	9,175		12,051		N/A
Total property and equipment	206,202		191,118
Less: Accumulated depreciation and amortization	(148,130)		(133,861)
Total property and equipment, net	$	58,072	$	57,257

a.Leasehold improvements are amortized on a straight-line basis over the shorter of (i) their estimated useful life or (ii) the estimated or contractual life of the related lease.

We include all depreciation from assets attributable to the generation of revenue in cost of sales on the statements of operations. Depreciation related to assets that are not attributable to the generation of revenue is included in the research and development and selling, general and administrative expense line items on the statements of operations. Depreciation on property and equipment is calculated on a straight-line basis. Depreciation expense on property and equipment for the years ended December 31, 2022, 2021 and 2020 was $21,096, $24,242 and $28,397, respectively.

For the years ended December 31, 2022, 2021 and 2020, we recognized impairment charges of $18, $788 and $3,406, respectively, on property and equipment, net in the selling, general and administrative expense line item on the statements of operations.