Summary of Significant Accounting Policies (Schedule of Change in Fair Value of the Level III Common Stock Warrant Liability ) (Details) - USD ($) |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Summary of Significant Accounting Policies [Abstract] | ||||
| Fair value of stock warrant liability, beginning | $ 122,590 | $ 122,590 | $ 92,150 | |
| Cashless exercises during the period | 323,021 | |||
| Change in fair value during the period | 7,263 | $ 30,440 | ||
| Cashless exercise during the period | $ (452,874) | $ (452,874) | ||
| Fair value of stock warrant liability, ending | $ 122,590 | |||