Quarterly report pursuant to Section 13 or 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 ($)
3 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Summary Of Significant Accounting Policies [Line Items]    
Antidilutive securities excluded from the computation of earnings per share 809,159 809,159
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