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Property, Plant, and Equipment (Tables)
6 Months Ended
Jun. 30, 2018
Property Plant And Equipment [Abstract]  
Components of property, plant and equipment

Property, plant, and equipment consist of the following:

 

 

 

June 30,

 

 

December 31,

 

(in thousands)

 

2018

 

 

2017

 

Buildings and land

 

$

579

 

 

$

579

 

Enterprise hardware and software

 

 

1,743

 

 

 

1,744

 

Leaseholds

 

 

1,702

 

 

 

1,705

 

Equipment

 

 

979

 

 

 

971

 

Furniture

 

 

199

 

 

 

175

 

Property, plant and equipment, gross

 

 

5,202

 

 

 

5,174

 

Accumulated depreciation

 

 

(4,103

)

 

 

(3,876

)

Property, plant and equipment, net

 

$

1,099

 

 

$

1,298