Property, Plant, and Equipment

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

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


	Estimated Useful Lives (Years)	June 30, 2022		December 31, 2021
Land	N/A	$	1,550	$	1,340
Buildings and land improvements	15-39	6,433		2,451
Manufacturing equipment	7	17,265		13,924
Furniture, fixtures and equipment	5-7	1,405		476
Vehicles	5	266		161
Hardware and software	3-5	2,305		1,683
Assets in progress		1,263		1,880
Total		30,487		21,915
Less: accumulated depreciation		(12,685)		(11,223)
Property, plant and equipment, net		$	17,802	$	10,692

Depreciation expense was $0.6 million and $0.6 million for the three months ended June 30, 2022 and 2021, respectively, of which $0.4 million and $0.5 million, respectively, was allocated to cost of revenue and $0.2 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 June 30, 2022 and 2021.

Depreciation expense was $1.2 million and $1.2 million for the six months ended June 30, 2022 and 2021, respectively, of which $0.9 million and $1.0 million, respectively, was allocated to cost of revenue and $0.3 million and $0.2 million, respectively, was included in depreciation and amortization in the accompanying condensed consolidated statements of operations for the six months ended June 30, 2022 and 2021.