Stock-Based Compensation (Summary of Warrants Activity) (Details) - Warrant [Member] - USD ($)
|
|
9 Months Ended |
12 Months Ended |
Nov. 07, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Warrant activity, number of shares: |
|
|
|
| Warrants outstanding at December 31, 2015 |
|
45,314
|
362,500
|
| Granted |
|
468,750
|
|
| Exercised |
|
|
|
| Forfeited/Canceled/Expired |
|
|
|
| Warrants outstanding at September 30, 2016 |
|
514,064
|
45,314
|
| Exercisable at September 30, 2016 |
|
389,064
|
|
| Warrant activity, weighted average exercise price: |
|
|
|
| Warrants outstanding at December 31, 2015 |
|
$ 66.72
|
|
| Granted |
|
6.80
|
|
| Exercised |
|
|
|
| Forfeited/Canceled/Expired |
|
|
|
| Warrants outstanding at September 30, 2016 |
|
12.09
|
$ 66.72
|
| Exercisable at September 30, 2016 |
|
$ 9.54
|
|
| Outstanding - weighted average remaining contractual life |
|
4 years 8 months 12 days
|
3 years 6 months
|
| Exercisable - weighted average remaining contractual life |
|
4 years 6 months
|
|
| Outstanding - aggregate intrinsic value |
|
$ 2,127,813
|
|
| Exercisable - aggregate intrinsic value |
|
$ 2,127,813
|
|
| Subsequent Event [Member] |
|
|
|
| Warrant activity, number of shares: |
|
|
|
| Exercised |
343,750
|
|
|
| Warrant activity, weighted average exercise price: |
|
|
|
| Exercisable - aggregate intrinsic value |
$ 687,500
|
|
|