Quarterly report pursuant to Section 13 or 15(d)

Revenue - Summary of disaggregation of revenue (Detail)

v3.20.2
Revenue - Summary of disaggregation of revenue (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Disaggregated revenue $ 55 $ 33
License [Member]    
Disaggregated revenue 55 0
Royalty [Member]    
Disaggregated revenue 0 29
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] | Development Activities [Member]    
Disaggregated revenue   4
Services transferred over time [Member]    
Disaggregated revenue 55 29
Services transferred over time [Member] | License [Member]    
Disaggregated revenue $ 55  
Services transferred over time [Member] | Royalty [Member]    
Disaggregated revenue   $ 29