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Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventories consist of the following:
 
September 30,
2019
 
December 31,
2018
Raw materials
$
52,104

 
$
45,898

Work-in-process
18,293

 
15,000

Finished goods
103,523

 
93,701

Total
$
173,920

 
$
154,599