Fair Value of Financial Instruments (Summary of Changes in Fair Value of Level 3 Financial Liabilities) (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2016
USD ($)
| |
| Fair Value Disclosures [Abstract] | |
| Balance, Beginning | |
| Initial value of derivative 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 |