XML 57 R46.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-Based Compensation (Details 4) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Stock-based compensation expense in operating expenses:        
Total Stock-based Compensation Expense $ 300,276 $ 138,282 $ 913,040 $ 561,097
Research and development [Member]        
Stock-based compensation expense in operating expenses:        
Total Stock-based Compensation Expense 217,499 126,600 555,034 420,789
General and administrative [Member]        
Stock-based compensation expense in operating expenses:        
Total Stock-based Compensation Expense $ 82,777 $ 11,682 $ 358,006 $ 140,308