Annual report pursuant to Section 13 and 15(d)

Revenue - Summary of other revenue from customers (Detail)

v3.21.2
Revenue - Summary of other revenue from customers (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Revenue from External Customer [Line Items]    
Other revenues $ 5
Government research and development grants [Member]    
Revenue from External Customer [Line Items]    
Other revenues $ 5