Annual report pursuant to Section 13 and 15(d)

Loss per share - Additional Information (Detail)

v3.21.2
Loss per share - Additional Information (Detail) - shares
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Antidilutive securities excluded from the computation of earnings per share 809,159 215,578
Warrant [Member]    
Antidilutive securities excluded from the computation of earnings per share 809,159 809,159
Employee Stock Option [Member]    
Antidilutive securities excluded from the computation of earnings per share 215,578 215,578