Fair Value of Financial Instruments (Summary of Changes in Fair Value of Level 3 Financial Liabilities) (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Fair Value Disclosures [Abstract] | ||
| Balance, Beginning | ||
| Initial value of warrant liability | 380,000 | |
| Change in fair value of derivative liability | 401,000 | |
| Reclassification of derivative liability to additional paid in capital | (781,000) | |
| Balance, ending | ||