Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 127,653 $ 267,151 $ 288,653 $ 563,728
General and administrative [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation 119,719 174,589 236,398 391,004
Research and development [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 7,934 $ 92,562 $ 52,255 $ 172,724