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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, net consists of the following (in thousands):
    Estimated Useful Lives (Years)
June 30,
2023		December 31,
2022
LandN/A$840 $840 
Building and land improvements
5-40
10,167 9,031 
Machinery and equipment
3-5
15,144 12,371 
Furniture and fixtures
3-7
2,169 1,787 
Vehicles
5
125 125 
28,445 24,154 
Less: accumulated depreciation(8,247)(7,284)
Property, plant and equipment, net$20,198 $16,870 

Depreciation expense for the three months ended June 30, 2023 and 2022 was $0.6 million and $0.5 million, respectively. During the three months ended June 30, 2023 and 2022, $0.4 million and $0.4 million, respectively, of depreciation expense was allocated to cost of revenue and $0.2 million and $0.1 million, respectively, of depreciation expense was allocated to operating expenses.
Depreciation expense for the six months ended June 30, 2023 and 2022 was $1.1 million and $0.9 million, respectively. During the six months ended June 30, 2023 and 2022, $0.8 million and $0.7 million, respectively, of depreciation expense was allocated to cost of revenue and $0.3 million and $0.2 million, respectively, of depreciation expense was allocated to operating expenses.