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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2021
INVENTORIES [Abstract]  
Inventory
At March 31, 2021 and December 31, 2020 inventory consisted of the following:
 
 
 
March 31,
2021
   
December 31,
2020
 
Raw materials
 
$
34,631
   
$
32,391
 
Work in process
   
21,461
     
23,871
 
Finished goods
   
47,134
     
32,377
 
Total inventory
 
$
103,226
   
$
88,639