Property, Plant and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment, Net

Components of property, plant and equipment

	September 30,		December 31,
	2016		2015
Property, plant and equipment:
Machinery and equipment, at cost	$	41,225	$	40,899
Less: accumulated depreciation and amortization		(37,462)		(36,044)
Building, at cost		30,324		30,388
Less: accumulated depreciation and amortization		(9,765)		(9,170)
Leasehold improvements, at cost		5,057		5,059
Less: accumulated depreciation and amortization		(3,601)		(3,306)
Construction in progress		3,607		3,596
	$	29,385	$	31,422