Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2019

Note 4. Property, Plant and Equipment, Net

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


	March 31,		December 31,
	2019		2018
Property, plant and equipment:
Machinery and equipment, at cost	$	45,446	$	51,496
Less: accumulated depreciation and amortization		(36,360)		(41,431)
Building, at cost		39,599		39,775
Less: accumulated depreciation and amortization		(12,103)		(12,147)
Leasehold improvements, at cost		5,599		5,464
Less: accumulated depreciation and amortization		(4,671)		(4,497)
Construction in progress		47,465		43,620
	$	84,975	$	82,280

As of March 31, 2019, the balance of construction in progress was $47.5 million, of which $34.1 million was related to our buildings in our new Dingxing and Chaoyang locations, $3.9 million was for manufacturing equipment purchases not yet placed in service and $9.5 million was from our construction in progress for our other consolidated subsidiaries. As of December 31, 2018, the balance of construction in progress was $43.6 million, of which, $31.7 million was for our buildings in our new Dingxing and Chaoyang locations, $2.2 million was for manufacturing equipment purchases not yet placed in service, and $9.7 million was for our construction in progress at our other consolidated subsidiaries.