Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details 4)

v3.20.4
Stock-Based Compensation (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Research and development expense $ 1,944,411 $ 2,237,956
General and administrative 4,344,602 4,394,622
Total stock-based compensation expense 302,742 680,455
Restricted stock awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Research and development expense 93,545 0
General and administrative 209,197 680,455
Total stock-based compensation expense $ 302,742 $ 680,455