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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2021
PROPERTY, PLANT AND EQUIPMENT  
PROPERTY, PLANT AND EQUIPMENT

NOTE 5: PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are presented at cost, net of accumulated depreciation, and consist of the following:

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Estimated

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December 31, 

    

Useful Lives

    

2021

    

2020

(in thousands)

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Land

 

N/A

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$

878

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$

878

Buildings

 

7-40

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21,275

​

 

20,966

Operating equipment and property

 

3-15

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13,455

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12,923

Furniture and fixtures

 

5-7

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2,779

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2,560

Vehicles

 

5-10

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7,861

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7,677

Gross property, plant and equipment

 

​

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46,248

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45,004

Less: accumulated depreciation

 

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​

 

(31,878)

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(30,066)

Net property, plant and equipment

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$

14,370

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$

14,938

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Depreciation expense was $1,816,000 in 2021, $1,954,000 in 2020 and $2,090,000 in 2019. The Company’s accounts payable for purchases of property and equipment was immaterial as of December 31, 2021, December 31, 2020 and December 31, 2019.