Property, Plant, and Equipment
 9 Months Ended
Sep. 30, 2015
Property, Plant and Equipment [Abstract]  
Property, plant, and equipment
Property, Plant and Equipment

Property, plant and equipment consisted of the following:
(dollars in thousands)
September 30,
2015
 
December 31,
2014
Buildings
$
59,315

 
$
58,846

Machinery and equipment
46,769

 
44,702

Computer software
10,056

 
8,056

Computer equipment
3,968

 
3,589

Furniture and fixtures
1,564

 
1,429

Leasehold improvements
1,266

 
1,051

Land improvements
493

 
784

Land
346

 
346

Buildings improvements
86

 
86

Construction in progress
1,910

 
2,169

 
125,773

 
121,058

Accumulated depreciation and amortization
(12,587)

 
(7,195)

Total
$
113,186

 
$
113,863



Depreciation and amortization expense was approximately $2.1 million and $1.6 million for the three months ended September 30, 2015 and 2014, respectively, and approximately $6.0 million and $2.8 million for the nine months ended September 30, 2015 and 2014, respectively.