Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Stock Option Expense (Detail)

v3.20.2
Stockholders' Equity - Schedule of Stock Option Expense (Detail) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Class of Stock [Line Items]    
Stock-based compensation expense $ 494,861 $ 426,029
Research and Development [Member]    
Class of Stock [Line Items]    
Stock-based compensation expense 86,835 74,667
General and Administrative [Member]    
Class of Stock [Line Items]    
Stock-based compensation expense $ 408,026 $ 351,362