SHARE-BASED PAYMENTS - Annual compensation - Bonus (Details) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Multiple of monthly salary for cash bonus paid in ordinary shares 5  
Incremental value of bonus in cash payable $ 30,000  
Charge of the plan recognized   $ 20,893,789
Number of days of VWAP considered for bonus payment 20 days  
Bonus in Kind    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Charge of the plan recognized $ 300,000  
Bonus in Kind | Vests immediately    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Bonus vesting percentage 50.00%  
Bonus in Kind | Vests in the subsequent 12-months    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Bonus vesting percentage 50.00%  
Bonus in performance    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Charge of the plan recognized $ 300,000  
Bonus in performance on achieving 100% of the objectives    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Objectives achievement percentage 100.00%  
Number of shares authorized 530,000  
Bonus in performance on achieving 200% of the objectives    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Objectives achievement percentage 200.00%  
Number of shares authorized 1,060,000  
Bonus In Cash    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Charge of the plan recognized $ 200,000  
Chief Executive Officer | Bonus in Kind    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Authorized bonus amount 315,000  
Chief Financial Officer | Bonus in Kind    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Authorized bonus amount 165,000  
Chief Technology Officer | Bonus in Kind    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Authorized bonus amount $ 100,000