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Inventories (Tables)
 6 Months Ended
Jun. 30, 2018
Inventories [Abstract]  
Schedule of Inventory, Current

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





 

 

 

 

 



 

 

June 30,

 

December 31,



 

 

 2018 

 

 2017 

Raw materials

 

$

 51,806 

$

 47,588 

Work-in-progress

 

 

 4,991 

 

 5,806 

Finished goods

 

 

 23,435 

 

 20,077 

Total inventories, net

 

$

 80,232 

$

 73,471