Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 7)

v3.8.0.1
Stock-Based Compensation (Details 7) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Share-based Compensation, Total $ 4,568,716 $ 1,860,697 $ 12,472,870 $ 5,405,908
Research and Development Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 2,558,472 960,362 6,643,094 2,628,454
Sales and Marketing Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 281,518 89,072 782,366 213,842
General and Administrative Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense $ 1,728,726 $ 811,263 $ 5,047,410 $ 2,563,612