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Property and Equipment
 9 Months Ended
Sep. 30, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment

(4) Property and Equipment

 

Property and equipment, net consists of the following at September 30, 2022, and December 31, 2021:

 

   Estimated        
   Useful Life  September 30,   December 31, 
   (in years)  2022   2021 
Equipment  2-7  $2,509,126   $2,509,126 
Furniture and fixtures  7   145,754    145,754 
Computer equipment  5   41,898    41,898 
Leasehold improvements  5   471,505    471,505 
Construction-in-process- equipment  -   1,653,550    1,643,150 
Property and equipment, gross      4,821,833    4,811,433 
Less: accumulated depreciation      (1,970,342)   (1,666,055)
Property and equipment, net     $2,851,491   $3,145,378 

 

Depreciation expense for the nine months ended September 30, 2022, was $304,287 and for the nine months ended September 30, 2021, was $528,809. Depreciation expense for the three months ended September 30, 2022, was $101,429 and for the three months ended September 30, 2021, was $77,797.