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Property, Plant and Equipment Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Components of property, plant and equipment
Components of property, plant and equipment were as follows:
 
(Dollars in thousands)
 
December 31,
 
2015
 
2014
Land
$
2,692

 
$
2,701

Buildings and improvements
18,343

 
18,503

Machinery and equipment
22,558

 
22,418

Capitalized software
19,710

 
18,758

McCook Facility
12,961

 
12,961

Furniture and fixtures
5,693

 
5,703

Capital leases
563

 
302

Vehicles
163

 
168

Construction in progress
681

 
1,018

 
83,364

 
82,532

Accumulated depreciation and amortization
(47,877
)
 
(40,944
)
 
$
35,487

 
$
41,588