Property, Plant and Equipment

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment consists of the following:

	March 31, 2019		December 31, 2018
Land	$	401	$	401
Building and improvements	53,810		53,813
Machinery and equipment	12,358		12,229
Computer hardware and software	4,586		4,182
Furniture and fixtures	687		694
Construction in progress	33,911		30,949
	105,753		102,268
Less accumulated depreciation and amortization	(11,361)		(10,493)
Property, plant and equipment, net	$	94,392	$	91,775

The Company recorded depreciation expense of $0.9 million and $0.6 million for the three months ended March 31, 2019 and March 31, 2018, respectively. During the three months ended March 31, 2019 and March 31, 2018, there was zero and $1.3 million of interest, respectively, capitalized as construction in progress. In addition, during the three months ended March 31, 2019 and March 31, 2018, there was $0.3 million and $0.4 million of payroll costs, respectively, capitalized as construction in progress.