Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards (Allocation of Stock Option Compensation Expense) (Details)

v2.4.0.8
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