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SHARE-BASED PAYMENT - Fair value of share options (Details)
12 Months Ended
Jun. 30, 2021
USD ($)
$ / shares
SHARE-BASED PAYMENTS  
Exercise price $ 4.55
Estimates of options that will be exercised (as a percent) 100.00%
Options incentive Plan  
SHARE-BASED PAYMENTS  
Weighted average fair value of shares $ 5.42
Exercise price $ 4.55
Weighted average expected volatility 29.69%
Dividend rate 0.00%
Weighted average risk-free interest rate 1.66%
Weighted average expected life of stock options | $ 9.89
Weighted average fair value at measurement date (per option) | $ $ 2.47