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

5. INVENTORY

 

Inventory consisted of the following:

 

   As of
December 31,
2020
   As of
December 31,
2019
 
Raw materials  $631,019   $791,558 
Work-in-process   1,438,482    1,207,457 
Finished goods   23,013    519,241 
Total  $2,092,514   $2,518,256