Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share Based Compensation | $ 296,577 | $ 274,327 |
| General and administrative [Member] | ||
| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share Based Compensation | 216,415 | 188,311 |
| Research and development [Member] | ||
| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share Based Compensation | $ 80,162 | $ 86,016 |
| X | ||||||||||
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|