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Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories consisted of the following:

 

    June 30, 2019     December 31, 2018  
Raw materials   $ 10,162,357     $ 10,347,616  
Finished goods     1,745,453       669,843  
Total inventories   $ 11,907,810     $ 11,017,459