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Stock-Based Compensation, Stock-Based Compensation Expense Related to Stock Options (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Stock-Based Compensation [Abstract]    
Stock-based compensation expense $ 257,622 $ 124,992
Research and Development [Member]    
Stock-Based Compensation [Abstract]    
Stock-based compensation expense 60,385 52,684
General and Administrative [Member]    
Stock-Based Compensation [Abstract]    
Stock-based compensation expense $ 197,236 $ 72,308