XML 154 R147.htm IDEA: XBRL DOCUMENT v3.19.2
Key Management Personnel - Summary of Key Management Personnel (Detail) - USD ($)
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Disclosure of transactions between related parties [abstract]      
Short-term employee benefits $ 11,557,506 $ 13,190,838 $ 16,439,948
Post-employment benefits 1,490,716 1,506,108 1,895,828
Share-based payments 15,821,972 13,356,657 13,747,355
Total $ 28,870,194 $ 28,053,603 $ 32,083,131