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Inventory
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventory

3. Inventory

 

Inventory consists of the following:

 

   December 31, 2020   December 31, 2019 
Raw materials  $2,950,912   $3,063,532 
Work in process   433,026    515,262 
Finished goods   2,987,039    2,164,187 
Reserve for obsolescence   (3,075,520)   (3,895,451)
Total inventory  $3,295,457   $1,847,530