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Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of the following:
   
September 30, 2019
 
December 31, 2018
Raw materials
$
65,572

 
$
40,348

Work in process
4,355

 
3,840

Finished goods
93,524

 
124,712

Total
$
163,451

 
$
168,900