PROPERTY, PLANT AND EQUIPMENT

3 Months Ended

Mar. 31, 2017

PROPERTY, PLANT AND EQUIPMENT [Abstract]

PROPERTY, PLANT AND EQUIPMENT

5.  PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

	March 31,			December 31,
	2017			2016
Land	$	2,238		$	2,234
Buildings and improvements		30,025			30,061
Machinery and equipment		113,202			113,780
Construction in progress		2,519			3,029
		147,984			149,104
Accumulated depreciation		(101,337	)		(100,349	)
Property, plant and equipment, net	$	46,647		$	48,755

Depreciation expense for the three months ended March 31, 2017 and 2016 was $3.5 million and $3.7 million, respectively.