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Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
 
 
September 30, 2019
 
December 31, 2018
Raw material
$
110,954

 
$
104,104

Work in process
47,339

 
52,909

Finished goods
185,422

 
154,150

Total inventories
$
343,715

 
$
311,163