Annual report pursuant to Section 13 and 15(d)

Revenue - Summary of revenue from customers (Detail)

v3.21.2
Revenue - Summary of revenue from customers (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Revenue from External Customer [Line Items]    
Revenues from customers $ 59 $ 97
Licensing revenue [Member]    
Revenue from External Customer [Line Items]    
Revenues from customers 59 0
Royalty revenue [Member]    
Revenue from External Customer [Line Items]    
Revenues from customers 0 93
Service revenue [Member]    
Revenue from External Customer [Line Items]    
Revenues from customers $ 0 $ 4