Quarterly report pursuant to Section 13 or 15(d)

Revenue - Summary of disaggregation of revenue (Detail)

v3.20.4
Revenue - Summary of disaggregation of revenue (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Disaggregated revenue $ 1 $ 77 $ 56 $ 110
License [Member]        
Disaggregated revenue 1 61 56 61
Royalty [Member]        
Disaggregated revenue 0 16 0 45
Development Activities [Member]        
Disaggregated revenue 0 0 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 1 77 56 106
Services transferred over time [Member] | License [Member]        
Disaggregated revenue $ 1 61 $ 56 61
Services transferred over time [Member] | Royalty [Member]        
Disaggregated revenue   $ 16   $ 45