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ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS - Warrant activities (Details) - $ / shares
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS      
Weighted average remaining period, outstanding 5 years 6 months    
Warrant      
ORDINARY SHARES PURCHASE WARRANTS ISSUED TO INVESTORS      
Warrants Outstanding 489,673 489,673  
Issued 555,694    
Warrants Outstanding 1,045,367 489,673 489,673
Weighted average exercise price outstanding per share $ 112.32 $ 112.32  
Issued 14.40    
Weighted average exercise price outstanding per share $ 18.90 $ 112.32 $ 112.32
Weighted average remaining period, outstanding 4 years 4 months 24 days 4 years 5 months 15 days 5 years 5 months 15 days