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KEY MANAGEMENT PERSONNEL COMPENSATION - Summary of compensation of directors and other members (Details) - USD ($)
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
KEY MANAGEMENT PERSONNEL COMPENSATION      
Salaries, social security and other benefits $ 2,611,603 $ 1,721,157 $ 1,905,440
Share-based incentives 1,430,745 1,655,135 3,428,029
Total $ 4,042,348 $ 3,376,292 $ 5,333,469