Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment, net [Line Items]

Property, Plant and Equipment Disclosure [Text Block]

7.  Property, Plant and Equipment, net

Property, plant and equipment consists of the following:

In thousands	2021		2020
Machinery, fixtures and equipment	$	2,908	$	2,923
Leaseholds and improvements		23		23
		2,931		2,946
Less accumulated depreciation		981		746
Net property, plant and equipment	$	1,950	$	2,200

Equipment having net book values of $2.0 million and $2.2 million at December 31, 2021 and 2020, respectively, are pledged as collateral under various financing agreements.

During 2021 and 2020, $14,000 and $118,000, respectively, of fully depreciated property, plant and equipment was written off.  Depreciation expense for property, plant and equipment for the years ended December 31, 2021 and 2020 was $250,000 and $252,000, respectively.