Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Depreciation and amortization of property, plant and equipment is provided for under the straight-line method over the assets’ estimated useful lives as follows:

	Useful Lives
Buildings and improvements	10 - 30 years
Machinery and equipment	3 - 15 years

Property, plant and equipment, at cost, as of December 31, 2016 and 2015, consisted of:

	2016			2015
	(in thousands)
Land	$	257		$	257
Building and improvements	8,515			5,296
Machinery and equipment	8,583			5,270
Construction in progress	15,496			3,594
	32,851			14,417
Less accumulated depreciation and amortization	(6,636		)	(5,711		)
Property, plant and equipment, net	$	26,215		$	8,706