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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventories consist of the following:
 
March 31,
2020
 
December 31,
2019
Raw materials
$
54,003

 
$
51,103

Work-in-process
15,062

 
15,142

Finished goods
105,473

 
98,371

Total
$
174,538

 
$
164,616