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Property, Plant, and Equipment (Tables)
12 Months Ended
Dec. 31, 2018
Property Plant And Equipment [Abstract]  
Components of property, plant and equipment

Property, plant, and equipment consists of:

 

(in thousands)

 

December 31, 2018

 

 

December 31, 2017

 

 

Estimated Useful Life

Buildings and land

 

$

589

 

 

$

579

 

 

30 years - Buildings

Enterprise hardware and software

 

 

1,742

 

 

 

1,744

 

 

3 years

Leaseholds

 

 

1,701

 

 

 

1,705

 

 

Lesser of lease term or estimated useful life

Equipment

 

 

1,002

 

 

 

971

 

 

7 years

Furniture

 

 

198

 

 

 

175

 

 

5 years

Property, plant and equipment, gross

 

 

5,232

 

 

 

5,174

 

 

 

Accumulated depreciation

 

 

(4,307

)

 

 

(3,876

)

 

 

Property, plant and equipment, net

 

$

925

 

 

$

1,298