|
Stock-based Compensation Plans and Awards (Allocation of Stock Option Compensation Expense) (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Stock-based compensation expense | $ 326,428 | $ 84,366 | $ 693,068 | $ 170,521 |
|
General and Administrative [Member]
|
||||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Stock-based compensation expense | 43,481 | 40,249 | 321,652 | 82,063 |
|
Research and Development [Member]
|
||||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Stock-based compensation expense | 32,533 | 18,238 | 120,480 | 37,893 |
|
Sales and Marketing [Member]
|
||||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Stock-based compensation expense | $ 150,414 | $ 25,879 | $ 250,936 | $ 50,565 |