Note H - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

NOTE H—PROPERTY, PLANT AND EQUIPMENT

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

	December 31, 2019			December 31, 2018
Land improvements	$	806		$	806
Building and improvements		83,846			80,960
Machinery and equipment		237,464			214,718
Furniture and fixtures		5,105			5,043
Computer equipment and software		10,506			9,709
Transportation equipment		658			658
		338,385			311,894
Less accumulated depreciation and amortization		(116,979	)		(95,233	)
		221,406			216,661
Construction in progress		25,937			16,449
Land		1,101			1,101
Total property, plant and equipment, net	$	248,444		$	234,211

For the years ended December 31, 2019, 2018 and 2017, depreciation expense of property, plant and equipment was $23.5 million, $29.2 million and $19.9 million , respectively.

As of December 31, 2019, the Company concluded that its continued loss history constitutes a triggering event as described in ASC 360-10-35-21, Property, Plant, and Equipment.  The Company performed a recoverability test and concluded that future undiscounted cash flows exceed the carrying amount of the Company’s long-lived assets and therefore no impairment charge was recorded.