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PROPERTY, PLANT, AND EQUIPMENT
12 Months Ended
Dec. 31, 2023
PROPERTY, PLANT, AND EQUIPMENT  
PROPERTY, PLANT, AND EQUIPMENT

5.   PROPERTY, PLANT, AND EQUIPMENT

Property, plant, and equipment consist of the following:

December 31, 

    

2023

    

2022

Land

$

261,893

$

261,893

Buildings and building improvements

 

37,573,316

 

25,038,429

Production equipment

 

88,237,274

 

86,330,729

Office furniture and equipment

 

5,149,298

 

4,811,703

Construction in progress

 

1,970,386

 

15,896,433

 

133,192,167

 

132,339,187

Accumulated depreciation

 

(39,713,646)

 

(32,186,419)

$

93,478,521

$

100,152,768

Depreciation expense for the years ended December 31, 2023, 2022, and 2021 was $7,527,227; $4,602,961; and $1,257,417, respectively.