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Property and Equipment (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Property, Plant and Equipment      
Property and equipment $ 2,679,854   $ 2,752,972
Less accumulated depreciation (2,126,383)   (2,132,299)
Property and equipment, net 553,471   620,673
Depreciation of property and equipment 68,088 $ 68,191  
Furniture and Fixtures      
Property, Plant and Equipment      
Property and equipment 345,712   345,712
Laboratory Equipment      
Property, Plant and Equipment      
Property and equipment 1,401,245   1,446,596
Office Equipment      
Property, Plant and Equipment      
Property and equipment 16,755   16,755
Computer Equipment      
Property, Plant and Equipment      
Property and equipment 300,009   327,776
Leasehold Improvements      
Property, Plant and Equipment      
Property and equipment $ 616,133   $ 616,133