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

December 31,

2019

2018

Finished goods

$

42,125

$

43,192

Work-in-process

6,906

7,357

Raw material and supplies

28,911

31,447

$

77,942

$

81,996