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

Inventories consist of the following:

 

    June 30, 2018     December 31, 2017  
Raw materials   $ 6,827,487     $ 3,755,477  
Finished goods     1,063,667       295,805  
Total inventories   $ 7,891,154     $ 4,051,282