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RELATED PARTY TRANSACTIONS - Additional information (Details) - USD ($)
6 Months Ended
Nov. 20, 2020
Jun. 19, 2020
Dec. 31, 2019
Dec. 31, 2020
Jun. 30, 2020
Related Party Transaction [Line Items]          
Repayment of promissory note - related party     $ 0 $ 175,000  
Administrative Support Agreement          
Related Party Transaction [Line Items]          
Expenses per month $ 10,000        
Expenses incurred $ 10,000        
Promissory Note with Related Party          
Related Party Transaction [Line Items]          
Period To Repay Debt After Receiving Written Notice Of Demand   15 days      
Repayment of promissory note - related party   $ 175,000      
Related Party Loans          
Related Party Transaction [Line Items]          
Outstanding borrowings       0 $ 0
Maximum loans convertible into warrants       $ 500,000  
Price of warrants (in dollars per share)       $ 0.90