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Inventories
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories

Inventories consist of the following:
 
June 30,
2019
 
December 31,
2018
Raw materials
$
50,559

 
$
45,898

Work-in-process
16,475

 
15,000

Finished goods
105,768

 
93,701

Total
$
172,802

 
$
154,599