Property, Plant, and Equipment

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

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

	Estimated Useful Lives (Years)	March 31, 2022		December 31, 2021
Land	N/A	$	1,567	$	1,340
Buildings and land improvements	15-39	3,973		2,451
Manufacturing equipment	7	16,454		13,924
Furniture, fixtures and equipment	5-7	591		476
Vehicles	5	275		161
Hardware and software	3-5	2,338		1,683
Assets in progress		3,576		1,880
Total		28,774		21,915
Less: accumulated depreciation		(11,896)		(11,223)
Property, plant and equipment, net		$	16,878	$	10,692

Depreciation expense was $0.6 million and $0.6 million for the three months ended March 31, 2022 and 2021, respectively, of which $0.5 million and $0.5 million, respectively, was allocated to cost of revenue and $0.1 million and $0.1 million, respectively, was included in depreciation and amortization in the accompanying condensed consolidated statements of operations for the three months ended March 31, 2022 and 2021.