Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Stock Based Compensation Expense (Details)

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Summary of Significant Accounting Policies - Summary of Stock Based Compensation Expense (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Total stock-based compensation expense $ 139,399 $ 90,500 $ 318,910 $ 282,811
Research and Development [Member]        
Total stock-based compensation expense 37,345 14,735 76,263 50,766
Selling and Marketing [Member]        
Total stock-based compensation expense 21,778 9,911 46,112 32,404
General and Administrative [Member]        
Total stock-based compensation expense $ 80,276 $ 65,854 $ 196,535 $ 199,641