Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 4)

v3.8.0.1
Stockholders' Equity (Details 4) - USD ($)
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense $ 68,900 $ 172,100
Research and development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense 7,100 42,600
General and administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock-based compensation expense $ 61,800 $ 129,500