Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property Plant And Equipment [Abstract]

Property and equipment consist of the following (in thousands):

	Estimated Useful		December 31,
	Life (Years)		2022			2021
Land		—	$	875		$	875
Buildings	39-40			17,389			17,389
Building improvements	5-40			38,952			38,651
Machinery and equipment	3-15			58,542			55,334
Furniture, fixtures and office equipment	5-10			2,976			2,969
Computer equipment and software		3		8,246			8,163
Construction in progress		—		16,706			10,892		⁽¹⁾
				143,686			134,273
Less accumulated depreciation				(98,560	)		(97,661	)
Total property and equipment, net			$	45,126		$	36,612

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(1)

As of December 31, 2021 construction in progress included $4.7 million of equipment under construction for the manufacturing expansion for UT (the “UT Equipment”). There is no balance under construction for the UT Equipment as of December 31, 2022. The Company acts as agent on behalf of UT for the procurement of the UT Equipment. The Company has received $5.0 million in deposit for this service, which was recognized as deposits from customer in the consolidated balance sheet as of December 31, 2021. In April 2022, the Company and UT agreed that UT would hold title to the UT Equipment at all times. As such, there is no balance related to the UT Equipment included in construction in progress or deposits from customer in our consolidated balance sheet as of December 31, 2022. See Note 11 – Collaboration, Licensing and Other Arrangements.