Share-Based Payment Arrangements (Details 4) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | $ 2,328,218 | $ 1,929,377 |
| Restricted stock and restricted stock units | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | 694,786 | 827,055 |
| Restricted stock and restricted stock units | Directors, officers, and employees | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | 598,549 | 827,055 |
| Restricted stock and restricted stock units | Non-employee consultants | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | $ 96,237 | $ 0 |