Property, Plant, and Equipment

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, Plant, and Equipment

Property, plant, and equipment consist of the following:

(In thousands)	June 30, 2023		December 31, 2022		Estimated Useful Life
Buildings and land	$	1,301	$	1,301	30 years - Buildings
Enterprise hardware and software	1,856		1,855		3 years
Leaseholds	1,781		1,774		Lesser of lease term or estimated useful life
Equipment	1,263		1,222		7 years
Furniture	201		201		5 years
Property, plant and equipment, gross	6,402		6,353
Accumulated depreciation	(4,999)		(4,931)
Property, plant and equipment, net	$	1,403	$	1,422

Depreciation expense for the three and six months ended June 30, 2023 and 2022 was less than $0.1 million for each period.