Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.19.2
Stockholders' Equity (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total $ 664,164 $ 808,470 $ 1,427,823 $ 1,787,178
Research and development [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total 237,331 337,730 510,142 1,111,389
General and administrative [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total $ 426,833 $ 470,740 $ 917,681 $ 675,789