PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2019

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

NOTE 6—PROPERTY, PLANT AND EQUIPMENT

The Company’s property, plant and equipment balances, by significant asset category, were as follows:

	Estimated	December 31,
($ in thousands)	Useful Lives	2019		2018
Buildings and improvements	5 - 39 years	$	474	$	474
Machinery and equipment	3 - 12 years		4,227		4,078
Furniture and fixtures	2 - 10 years		8,668		8,668
Construction-in-progress	—		283		259
			13,652		13,479
Less accumulated depreciation			(13,379)		(13,144)
Property, plant and equipment, net		$	273	$	335

Construction‑in‑progress primarily included building improvements and machinery and equipment as of December 31, 2019 and 2018. Depreciation expense was $0.3 million and $0.9 million for the years ended December 31, 2019 and 2018, respectively. No impairment charges on property, plant and equipment were recognized for the years ended December 31, 2019 and 2018.