Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2018

Note 4. Property, Plant and Equipment, Net

The components of our property, plant and equipment are summarized below (in thousands):


	March 31,		December 31,
	2018		2017
Property, plant and equipment:
Machinery and equipment, at cost	$	45,954	$	44,549
Less: accumulated depreciation and amortization		(42,217)		(40,845)
Building, at cost		33,635		32,461
Less: accumulated depreciation and amortization		(12,234)		(11,501)
Leasehold improvements, at cost		5,715		5,539
Less: accumulated depreciation and amortization		(4,538)		(4,288)
Construction in progress		32,448		20,615
	$	58,763	$	46,530

As of March 31, 2018, the balance of construction in progress was $32.4 million of which $22.8 million was related to our buildings in our new Dingxing and Chaoyang locations, $5.6 million was for manufacturing equipment purchases and $4.0 million was from our construction in progress for our other consolidated subsidiaries. As of December 31, 2017, the balance of construction in progress was $20.6 million, of which, $14.8 million was for our buildings in our new Dingxing location, $3.6 million was for manufacturing equipment purchases not yet placed in service, and $2.2 million was for our construction in progress at our other consolidated subsidiaries.