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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories were comprised of the following:

 

    December 31,
2018
    December 31,
2017
 
Raw material   $ 738,330     $ 1,040,795   
Work in progress     217,158       77,702   
Finished goods     48,135       78,316   
    1,003,623     $ 1,196,813