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Property and Equipment (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Property, Plant and Equipment          
Property and equipment $ 2,684,956   $ 2,684,956   $ 2,752,972
Less accumulated depreciation (2,193,868)   (2,193,868)   (2,132,299)
Property and equipment, net 491,088   491,088   620,673
Depreciation of property and equipment 67,485 $ 67,681 135,573 $ 135,872  
Furniture and Fixtures          
Property, Plant and Equipment          
Property and equipment 345,712   345,712   345,712
Laboratory Equipment          
Property, Plant and Equipment          
Property and equipment 1,406,346   1,406,346   1,446,596
Office Equipment          
Property, Plant and Equipment          
Property and equipment 16,755   16,755   16,755
Computer Equipment          
Property, Plant and Equipment          
Property and equipment 300,010   300,010   327,776
Leasehold Improvements          
Property, Plant and Equipment          
Property and equipment $ 616,133   $ 616,133   $ 616,133