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Property, Plant, and Equipment
6 Months Ended
Jun. 30, 2019
Property Plant And Equipment [Abstract]  
Property, Plant, and Equipment

(5)

Property, Plant, and Equipment

Property, plant, and equipment consist of the following:

 

 

 

June 30,

 

 

December 31,

 

 

Estimated

(in thousands)

 

2019

 

 

2018

 

 

Useful Life

Buildings and land

 

$

589

 

 

$

589

 

 

30 years - Buildings

Enterprise hardware and software

 

 

1,742

 

 

 

1,742

 

 

3 years

Leaseholds

 

 

1,700

 

 

 

1,701

 

 

Lesser of lease term or estimated useful life

Equipment

 

 

1,003

 

 

 

1,002

 

 

7 years

Furniture

 

 

198

 

 

 

198

 

 

5 years

Property, plant and equipment, gross

 

 

5,232

 

 

 

5,232

 

 

 

Accumulated depreciation

 

 

(4,427

)

 

 

(4,307

)

 

 

Property, plant and equipment, net

 

$

805

 

 

$

925

 

 

 

 

Depreciation expense for the three and six months ended June 30, 2019 was approximately $0.1 million and $0.1 million, respectively as compared to approximately $0.1 million and $0.2 million, respectively, for the same periods in 2018.