Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Additional information (Detail)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Additional information (Detail) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Summary Of Significant Accounting Policies [Line Items]    
Antidilutive securities excluded from the computation of earnings per share 809,159 215,578
Grant Receivable on research and development expenditures [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Concentration risk percentage 43.50%  
Fair Value, Recurring [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Financial assets at fair value $ 0 $ 0
Financial liabilities at fair value $ 0 $ 0