Property, plant and equipment

3 Months Ended

Mar. 31, 2016

Property, plant and equipment

Property, plant and equipment

4.Property, plant and equipment

Property, plant and equipment are summarized as follows:

	March 31,		December 31,
	2016		2015
Land	$	1,500	$	1,500
Land improvements		3,010		3,010
Leasehold Improvements		859		859
Buildings		24,481		24,476
Machinery and equipment		36,777		35,628
Furniture and fixtures		11,663		11,657
Mobile equipment and other		2,430		2,255
Construction-in-process		1,752		2,155
Total property, plant and equipment		82,472		81,540
Less accumulated depreciation		(40,054)		(38,904)
Net property, plant and equipment	$	42,418	$	42,636