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Inventories (Tables)
 3 Months Ended
Mar. 31, 2019
Inventories [Abstract]  
Schedule of Inventory, Current

Inventory cost includes material, labor and overhead. Inventories consisted of the following:

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

 

    
2019

    
2018

Raw materials

 

$

60,967

 

$

54,382

Work-in-progress

 

 

5,610

 

 

4,710

Finished goods

 

 

25,585

 

 

20,186

Total inventories, net

 

$

92,162

 

$

79,278