Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details)

v3.19.1
Stockholders' Equity (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total $ 4,318,993 $ 1,633,485
Research and development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total 2,583,251 884,032
General and administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total $ 1,735,742 $ 749,453