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RELATED PARTY TRANSACTIONS - Additional Information (Details) - USD ($)
3 Months Ended
Nov. 24, 2020
Nov. 20, 2020
Jun. 19, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Administrative Support Agreement              
Related Party Transaction [Line Items]              
Expenses per month   $ 10,000          
Expenses incurred       $ 30,000 $ 0    
Amount included in accrued expenses       100,000   $ 70,000  
Promissory Note with Related Party              
Related Party Transaction [Line Items]              
Maximum borrowing capacity of related party promissory note     $ 175,000        
Instrument term     15 days        
Repayment of promissory note - related party $ 175,000            
Related Party Loans              
Related Party Transaction [Line Items]              
Outstanding balance of related party note       0     $ 0
Loan conversion agreement warrant       $ 500,000      
Price of warrant       $ 0.90