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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of the following:
   
March 31, 2020
 
December 31, 2019
Raw materials
$
59,462

 
$
57,818

Work in process
3,930

 
3,605

Finished goods
142,913

 
100,006

Total
$
206,305

 
$
161,429