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Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventories

  

March 31,

2020

  

December 31,

2019

 
Raw materials  $4,486,847   $3,872,752 
Finished goods   7,153,199    5,926,525 
Inventories, gross   11,640,046    9,799,277 
           
Inventory reserves   (279,610)   (244,206)
           
Inventories, net  $11,360,436   $9,555,071