Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details)

v3.19.3
Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 90,695 $ 281,482 $ 379,348 $ 845,210
General and administrative [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation 84,378 188,920 320,776 579,924
Research and development [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 6,317 $ 92,562 $ 58,572 $ 265,286