Annual report pursuant to Section 13 and 15(d)

Stock-based Plans and Stock-based Compensation (Stock Option Compensation Expense) (Details)

v3.7.0.1
Stock-based Plans and Stock-based Compensation (Stock Option Compensation Expense) (Details) - Stock Options [Member] - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense $ 1,461,878 $ 1,163,555
General and Administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense 953,206 821,410
Sales and Marketing [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense 361,704 229,698
Engineering, Research, and Development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense $ 146,968 $ 112,447