PROPERTY, PLANT AND EQUIPMENT

9 Months Ended

Sep. 30, 2017

PROPERTY, PLANT AND EQUIPMENT [Abstract]

PROPERTY, PLANT AND EQUIPMENT

5.  PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

	September 30,			December 31,
	2017			2016
Land	$	2,256		$	2,234
Buildings and improvements		30,867			30,061
Machinery and equipment		117,523			113,780
Construction in progress		1,593			3,029
		152,239			149,104
Accumulated depreciation		(108,575	)		(100,349	)
Property, plant and equipment, net	$	43,664		$	48,755

Depreciation expense for the three months ended September 30, 2017 and 2016 was $3.6 million and $3.7 million, respectively.  Depreciation expense for the nine months ended September 30, 2017 and 2016 was $10.6 million and $11.1 million, respectively.