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

June 30,

2019

  

December 31,

2018

 
Raw materials  $4,223,671   $4,320,131 
Finished goods   7,743,413    8,049,791 
Inventories, gross   11,967,084    12,369,922 
           
Inventory reserves   (284,109)   (284,109)
           
Inventories, net  $11,682,975   $12,085,813