Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock Option Compensation Expense) (Details)

v3.5.0.2
Stockholders' Equity (Stock Option Compensation Expense) (Details) - Stock Options And Warrants [Member] - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense $ 359,086 $ 306,782 $ 1,100,691 $ 871,465
General and Administrative [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense 234,069 198,106 720,058 604,709
Sales and Marketing [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense 87,646 77,887 259,647 191,516
Engineering, Research, and Development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense $ 37,371 $ 30,789 $ 120,986 $ 75,240