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Loans Receivable - Schedule of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	$ 328,616	$ 329,418
Allowance for credit losses	(2,166)	(2,170)
Loans receivable - net	326,450	327,248
Land [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	2,173	1,508
Farm [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	2,616	3,023
Nonresidential Real Estate [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	31,004	31,698
Commercial and industrial [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	632	691
One-to-four-family [Member] | Residential Real Estate [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	249,018	251,338
Multi-family [Member] | Residential Real Estate [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	14,569	15,505
Construction [Member] | Residential Real Estate [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	11,625	9,314
Loans on deposits [Member] | Consumer and Other [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	594	813
Home Equity [Member] | Consumer and Other [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	15,476	14,643
Automobile [Member] | Consumer and Other [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	142	134
Unsecured [Member] | Consumer and Other [Member]
Schedule of Loan Portfolio [Line Items]
Loans receivable - gross	$ 767	$ 751

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