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StockBased Compensation (Details 4) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Stock-based compensation $ 540,317 $ 423,193 $ 989,415 $ 887,842
Research And Development Expense        
Stock-based compensation 328,077 265,446 583,258 558,562
General And Administrative Expense        
Stock-based compensation $ 212,240 $ 157,747 $ 406,157 $ 329,280