Property, Plant & Equipment

6 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Property, Plant & Equipment

Note 8.   Property, Plant & Equipment

Property, plant and equipment consisted of the following for the periods indicated (in thousands):

	June 30, 2019		December 31, 2018
Land improvements	$	806	$	806
Building and improvements		83,121		80,960
Machinery and equipment		232,852		214,718
Furniture and fixtures		5,087		5,043
Computer equipment and software		10,041		9,709
Transportation equipment		654		658
		332,561		311,894
Less accumulated depreciation and amortization		(105,777)		(95,233)
		226,784		216,661
Construction in progress		20,002		16,449
Land		1,101		1,101
Total property, plant and equipment, net	$	247,887	$	234,211

For the three months ended June 30, 2019 and 2018, depreciation expense of property, plant and equipment was $5.9 million and $7.2 million, respectively. For the six months ended June 30, 2019 and 2018, depreciation expense of property, plant and equipment was $11.7 million and $14.0 million, respectively.

Depreciation expense of $2.3 million and $3.8 million was recorded as cost of sales for the three months ended June 30, 2019 and 2018, respectively. Depreciation expense of $4.8 million and $7.6 million was recorded as cost of sales for the six months ended June 30, 2019 and 2018, respectively.