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Property, Plant, and Equipment (Tables)
12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Components of property, plant and equipment

Property, plant, and equipment consists of:

 

(in thousands)

 

December 31, 2017

 

 

December 31, 2016

 

Buildings and land

 

$

579

 

 

$

556

 

Enterprise hardware and software

 

 

1,744

 

 

 

1,532

 

Leaseholds

 

 

1,705

 

 

 

1,504

 

Equipment

 

 

971

 

 

 

940

 

Furniture

 

 

175

 

 

 

354

 

Property, plant and equipment, gross

 

 

5,174

 

 

 

4,886

 

Accumulated depreciation

 

 

(3,876

)

 

 

(3,803

)

Property, plant and equipment, net

 

$

1,298

 

 

$

1,083