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 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Total stock-based compensation expense $ 104,982 $ 90,849 $ 179,511 $ 192,311
Research and Development [Member]        
Total stock-based compensation expense 22,949 15,650 38,918 36,031
Selling and Marketing [Member]        
Total stock-based compensation expense 13,447 9,803 24,334 22,493
General and Administrative [Member]        
Total stock-based compensation expense $ 68,586 $ 65,396 $ 116,259 $ 133,787