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Loans Receivable (Details) - USD ($)
9 Months Ended 12 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Loans Receivable (Details) [Line Items]      
Net deferred loan costs $ 269,000 $ 167,000  
One- to four-family loans in process 692,000 577,000  
Total loans   815,000  
Loans classified as TDRs 1,400,000 1,700,000  
Debt, total     $ 143,000
Net of a purchase credit discount $ 88,000 $ 88,000  
Troubled Debt Restructuring [Member]      
Loans Receivable (Details) [Line Items]      
Bankruptcy proceedings, percentage 24.90%