Property, Plant and Equipment

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property, plant and equipment consists of the following (in thousands):


	September 30, 2018		December 31, 2017
Land	$	401	$	257
Building and improvements	17,486		8,613
Machinery and equipment	10,172		9,142
Computer hardware and software	4,111		3,244
Furniture and fixtures	519		449
Construction in progress	65,510		55,017
	98,199		76,722
Less accumulated depreciation and amortization	(9,812)		(8,367)
Property, plant and equipment, net	$	88,387	$	68,355

The Company recorded depreciation expense of $0.6 million and $0.4 million for the three months ended September 30, 2018 and September 30, 2017, respectively. The Company recorded depreciation expense of $1.7 million and $1.3 million for the nine months ended September 30, 2018 and September 30, 2017, respectively.

During the three months ended September 30, 2018 and September 30, 2017, there was $1.5 million of interest and $1.1 million of interest, respectively, capitalized as construction in progress. For the nine months ended September 30, 2018 and September 30, 2017, there was $4.4 million of interest and $2.3 million of interest, respectively, capitalized as construction in progress. This increase in capitalized interest is related to outstanding costs for the Company's facility expansion project in Buena. During the three months ended September 30, 2018 and September 30, 2017, there was $0.4 million of payroll costs and $0.2 million of payroll costs, respectively, capitalized into construction in progress. For the nine months ended September 30, 2018 and September 30, 2017, there was $1.5 million of payroll costs and $0.6 million of payroll costs, respectively, capitalized into construction in progress.