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Inventories
3 Months Ended
Mar. 31, 2024
Inventories  
Inventories

4. Inventories

Major classes of inventory at March 31, 2024, December 31, 2023 and March 31, 2023 are as follows:

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March 31,

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December 31,

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March 31,

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2024

    

2023

    

2023

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Finished goods

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$

999

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$

868

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$

800

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Raw materials

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159

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151

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171

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Operating supplies

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52

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52

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48

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$

1,210

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$

1,071

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$

1,019

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