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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2021
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

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

 

 

 

Estimated Useful

 

 

December 31,

 

 

 

Life (Years)

 

 

2021

 

 

2020

 

Land

 

 

—

 

 

$

875

 

 

$

875

 

Buildings

 

39-40

 

 

 

17,389

 

 

 

17,389

 

Building improvements

 

5-40

 

 

 

38,651

 

 

 

37,543

 

Machinery and equipment

 

3-15

 

 

 

55,334

 

 

 

55,054

 

Furniture, fixtures and office equipment

 

5-10

 

 

 

2,969

 

 

 

3,004

 

Computer equipment and software

 

 

3

 

 

 

8,163

 

 

 

8,319

 

Construction in progress

 

 

—

 

 

 

10,892

 

(1)

 

503

 

 

 

 

 

 

 

 

134,273

 

 

 

122,687

 

Less accumulated depreciation

 

 

 

 

 

 

(97,661

)

 

 

(96,820

)

Total property and equipment, net

 

 

 

 

 

$

36,612

 

 

$

25,867

 

_________________________

(1)

Construction in progress includes $4.7 million of equipment under construction for the manufacturing expansion for UT (the “UT Equipment”). 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 deposit from customer in the consolidated balance sheet as of December 31, 2021. See Note 8 – Collaboration, Licensing and Other Arrangements.