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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2022
Property Plant And Equipment [Abstract]  
Summary of Property, Plant and Equipment Property, plant and equipment at March 31, 2022 and December 31, 2021 consists of the following: 

 

 

March 31,

2022

 

 

December 31,

2021

 

Land

 

$

2,756

 

 

$

2,756

 

Buildings and improvements

 

 

19,814

 

 

 

19,844

 

Machinery and equipment

 

 

132,440

 

 

 

132,159

 

Office furniture, fixtures and equipment

 

 

10,189

 

 

 

10,094

 

Automotive equipment

 

 

1,713

 

 

 

1,832

 

Construction in progress

 

 

11,231

 

 

 

8,199

 

Total

 

 

178,143

 

 

 

174,884

 

Less accumulated depreciation

 

 

(110,703

)

 

 

(108,773

)

Property, plant and equipment, net

 

$

67,440

 

 

$

66,111