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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventories  
Schedule of inventories

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December 31,

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2019

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2018

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Finished goods

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$

42,125

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$

43,192

Work-in-process

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6,906

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7,357

Raw material and supplies

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28,911

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31,447

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$

77,942

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$

81,996