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Property, Plant, and Equipment (Tables)
9 Months Ended
Sep. 30, 2019
Property Plant And Equipment [Abstract]  
Components of property, plant and equipment

Property, plant, and equipment consist of the following:

 

 

 

September 30,

 

 

December 31,

 

 

Estimated

(in thousands)

 

2019

 

 

2018

 

 

Useful Life

Buildings and land

 

$

589

 

 

$

589

 

 

30 years - Buildings

Enterprise hardware and software

 

 

1,739

 

 

 

1,742

 

 

3 years

Leaseholds

 

 

1,687

 

 

 

1,701

 

 

Lesser of lease term or estimated useful life

Equipment

 

 

1,002

 

 

 

1,002

 

 

7 years

Furniture

 

 

197

 

 

 

198

 

 

5 years

Property, plant and equipment, gross

 

 

5,214

 

 

 

5,232

 

 

 

Accumulated depreciation

 

 

(4,458

)

 

 

(4,307

)

 

 

Property, plant and equipment, net

 

$

756

 

 

$

925