Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 227,614 $ 369,402 $ 790,006 $ 1,063,589
General and administrative [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation 184,914 232,951 580,812 673,064
Research and development [Member]        
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Based Compensation $ 42,700 $ 136,451 $ 209,194 $ 390,525