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LEASES - Maturities of Lease Payments Under Non-cancellable Leases (Details) - USD ($)
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]      
2022 $ 61,151    
Total future minimum lease payments 61,151    
Interest included within lease payments (1,721)    
Operating lease liabilities $ 59,430 $ 140,435 $ 269,610