Annual report pursuant to Section 13 and 15(d)

Revenue - Summary of disaggregation of revenue (Detail)

v3.21.2
Revenue - Summary of disaggregation of revenue (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Disaggregated revenue $ 59 $ 97
License [Member]    
Disaggregated revenue 59 0
Royalty [Member]    
Disaggregated revenue 0 93
Development Activities [Member]    
Disaggregated revenue 0 4
Services transferred at a point in time [Member]    
Disaggregated revenue   4
Services transferred at a point in time [Member] | License [Member]    
Disaggregated revenue   0
Services transferred at a point in time [Member] | Royalty [Member]    
Disaggregated revenue   0
Services transferred at a point in time [Member] | Development Activities [Member]    
Disaggregated revenue   4
Services transferred over time [Member]    
Disaggregated revenue 59 93
Services transferred over time [Member] | License [Member]    
Disaggregated revenue 59 0
Services transferred over time [Member] | Royalty [Member]    
Disaggregated revenue 0 93
Services transferred over time [Member] | Development Activities [Member]    
Disaggregated revenue $ 0 $ 0