Property, Plant and Equipment Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

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,
	2017			2016
Land	$	2,752		$	2,721
Buildings and improvements	16,973			18,981
Machinery and equipment	23,277			22,837
Capitalized software	21,947			21,371
McCook Facility	12,961			12,961
Furniture and fixtures	5,634			5,714
Capital leases	806			534
Vehicles	214			166
Construction in progress	375			571
	84,939			85,856
Accumulated depreciation and amortization	(57,606		)	(54,949		)
	$	27,333		$	30,907