Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment, net.

Property, Plant and Equipment, net

Note 7. Property, Plant and Equipment, net

The components of property, plant and equipment are as follows:

	December 31,
	2021		2020
	(in thousands)
Land and buildings	$	15,881	$	10,887
Machinery and equipment		34,312		30,768
Construction in process		6,852		6,697
Total cost		57,045		48,352
Accumulated depreciation		(22,073)		(18,512)
Property, plant and equipment, net	$	34,972	$	29,840

Depreciation expense was $4.2 million, $3.4 million and $2.6 million for the years ended December 31, 2021, 2020 and 2019, respectively.