Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Share Based Compensation | $ 288,065 | $ 351,176 | $ 562,392 | $ 694,187 |
| General and administrative [Member] | ||||
| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Share Based Compensation | 207,587 | 224,786 | 395,898 | 440,113 |
| Research and development [Member] | ||||
| Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Share Based Compensation | $ 80,478 | $ 126,390 | $ 166,494 | $ 254,074 |
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- 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
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- 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.
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