Property, Plant and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2017

Property, Plant and Equipment, Net

Components of property, plant and equipment

	September 30,		December 31,
	2017		2016
Property, plant and equipment:
Machinery and equipment, at cost	$	42,970	$	41,254
Less: accumulated depreciation and amortization		(40,017)		(37,311)
Building, at cost		31,327		29,600
Less: accumulated depreciation and amortization		(10,951)		(9,654)
Leasehold improvements, at cost		5,351		4,942
Less: accumulated depreciation and amortization		(4,093)		(3,608)
Construction in progress		17,668		2,582
	$	42,255	$	27,805