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Property, Plant and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment

   Estimated Useful
Lives
(in years)
  As of
December 31,
2020
   As of
December 31,
2019
 
Laboratory and manufacturing equipment  3-10  $15,786,620   $15,437,724 
Building and improvements  10-39   18,999,500    17,078,829 
Office furniture and equipment  3-10   779,720    719,323 
Construction in progress  n/a   2,337,620    1,124,189 
Land  n/a   516,867    516,867 
Property, plant and equipment, gross      38,420,327    34,876,932 
Accumulated depreciation      (11,665,352)   (9,611,194)
Property, plant and equipment, net     $26,754,975   $25,265,738