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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

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

 

 

 

Estimated Useful

 

 

December 31,

 

 

 

Life (Years)

 

 

2020

 

 

2019

 

Land

 

 

 

 

$

875

 

 

$

875

 

Buildings

 

39-40

 

 

 

17,389

 

 

 

17,389

 

Building improvements

 

5-40

 

 

 

37,543

 

 

 

37,543

 

Machinery and equipment

 

3-15

 

 

 

55,054

 

 

 

54,982

 

Furniture, fixtures and office equipment

 

5-10

 

 

 

3,004

 

 

 

3,005

 

Computer equipment and software

 

 

3

 

 

 

8,319

 

 

 

8,234

 

Construction in progress

 

 

 

 

 

503

 

 

 

114

 

 

 

 

 

 

 

 

122,687

 

 

 

122,142

 

Less accumulated depreciation

 

 

 

 

 

 

(96,820

)

 

 

(95,364

)

Total property and equipment, net

 

 

 

 

 

$

25,867

 

 

$

26,778