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Property, Plant and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment
   Estimated
Useful Lives
(in years)
  As of
June 30,
2021
   As of
December 31,
2020
 
Laboratory and manufacturing equipment  3-10  $16,283,964   $15,786,620 
Buildings and improvements  10-39   18,999,500    18,999,500 
Office furniture and equipment  3-10   743,752    779,720 
Construction in progress  n/a   3,084,289    2,337,620 
Land  n/a   516,867    516,867 
Property, plant and equipment, gross      39,628,372    38,420,327 
Accumulated depreciation      (12,802,524)   (11,665,352)
Property, plant and equipment, net     $26,825,848   $26,754,975