LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Loan Losses and Allocation of the allowance to Loan Segments (Details) - USD ($)		3 Months Ended		6 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Allowance for loan losses
Beginning Balance				$ 1,553,000
Provision (benefit) for credit losses		$ 97,000		145,000
Loans charged-off		0	$ 0	0	$ 0
Ending Balance		1,407,000		1,407,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		11,000		11,000		$ 10,000
Allowance for non-impaired loans		1,396,000		1,396,000		1,543,000
Impaired loans		1,602,000		1,602,000		1,390,000
Non-impaired loans		167,333,000		167,333,000		170,988,000
Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		1,504,000	1,649,000	1,553,000	1,747,000
Adoption of ASU 2016-13	[1]		12,000		12,000
Loans And Leases Receivable Allowance Adjusted Balance							$ 1,759,000
Provision (benefit) for credit losses		(97,000)	(8,000)	(145,000)	(118,000)
Loans charged-off		0	0	(1,000)	0
Recoveries		0	0	0	0
Ending Balance		1,407,000	1,641,000	1,407,000	1,641,000
Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		23,000	10,000	31,000	0
Adoption of ASU 2016-13	[1]		23,000		23,000
Loans And Leases Receivable Allowance Adjusted Balance							23,000
Provision (benefit) for credit losses		33,000	1,000	25,000	(12,000)
Ending Balance		56,000	11,000	56,000	11,000
Residential 1-4 Family [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		1,004,000	1,071,000	1,043,000	974,000
Adoption of ASU 2016-13	[1]		139,000		139,000
Loans And Leases Receivable Allowance Adjusted Balance							1,113,000
Provision (benefit) for credit losses		(58,000)	(20,000)	(97,000)	(62,000)
Loans charged-off		0	0	0	0
Recoveries		0	0	0	0
Ending Balance		946,000	1,051,000	946,000	1,051,000
Residential 1-4 Family [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		5,000	4,000	5,000	0
Adoption of ASU 2016-13	[1]		5,000		5,000
Loans And Leases Receivable Allowance Adjusted Balance							5,000
Provision (benefit) for credit losses		5,000	(4,000)	5,000	(5,000)
Ending Balance		10,000	0	10,000	0
Multifamily [Member]
Allowance for loan losses
Beginning Balance				191,000
Ending Balance		181,000		181,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		0		0		0
Allowance for non-impaired loans		181,000		181,000		191,000
Impaired loans		0		0		0
Non-impaired loans		11,720,000		11,720,000		12,066,000
Multifamily [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		192,000	181,000	191,000	190,000
Adoption of ASU 2016-13	[1]		2,000		2,000
Loans And Leases Receivable Allowance Adjusted Balance							192,000
Provision (benefit) for credit losses		(11,000)	7,000	(10,000)	(4,000)
Loans charged-off		0	0	0	0
Recoveries		0	0	0	0
Ending Balance		181,000	188,000	181,000	188,000
Multifamily [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		18,000	6,000	26,000	0
Adoption of ASU 2016-13	[1]		7,000		7,000
Loans And Leases Receivable Allowance Adjusted Balance							7,000
Provision (benefit) for credit losses		28,000	5,000	20,000	4,000
Ending Balance		46,000	11,000	46,000	11,000
Second Mortgages and Home Equity Lines of Credit [Member]
Allowance for loan losses
Beginning Balance				18,000
Ending Balance		11,000		11,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		0		0		0
Allowance for non-impaired loans		11,000		11,000		18,000
Impaired loans		0		0		0
Non-impaired loans		4,004,000		4,004,000		3,372,000
Second Mortgages and Home Equity Lines of Credit [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		17,000	43,000	18,000	29,000
Adoption of ASU 2016-13	[1]		23,000		23,000
Loans And Leases Receivable Allowance Adjusted Balance							52,000
Provision (benefit) for credit losses		(6,000)	4,000	(7,000)	(5,000)
Loans charged-off		0	0	0	0
Recoveries		0	0	0	0
Ending Balance		11,000	47,000	11,000	47,000
Second Mortgages and Home Equity Lines of Credit [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		0	0	0	0
Adoption of ASU 2016-13	[1]		0		0
Loans And Leases Receivable Allowance Adjusted Balance							0
Provision (benefit) for credit losses		0	0	0	0
Ending Balance		0	0	0	0
Commercial Real Estate
Allowance for loan losses
Beginning Balance				240,000
Ending Balance		212,000		212,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		0		0		0
Allowance for non-impaired loans		212,000		212,000		240,000
Impaired loans		0		0		0
Non-impaired loans		15,056,000		15,056,000		16,833,000
Commercial Real Estate | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		231,000	291,000	240,000	346,000
Adoption of ASU 2016-13	[1]		(19,000)		(19,000)
Loans And Leases Receivable Allowance Adjusted Balance							327,000
Provision (benefit) for credit losses		(19,000)	(2,000)	(28,000)	(38,000)
Loans charged-off		0	0	0	0
Recoveries		0	0	0	0
Ending Balance		212,000	289,000	212,000	289,000
Commercial Real Estate | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		0	0	0	0
Adoption of ASU 2016-13	[1]		7,000		7,000
Loans And Leases Receivable Allowance Adjusted Balance							7,000
Provision (benefit) for credit losses		0	0	0	(7,000)
Ending Balance		0	0	0	0
Consumer [Member]
Allowance for loan losses
Beginning Balance				1,000
Ending Balance		2,000		2,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		0		0		0
Allowance for non-impaired loans		2,000		2,000		1,000
Impaired loans		0		0		0
Non-impaired loans		92,000		92,000		65,000
Consumer [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		1,000	2,000	1,000	0
Adoption of ASU 2016-13	[1]		2,000		2,000
Loans And Leases Receivable Allowance Adjusted Balance							2,000
Provision (benefit) for credit losses		1,000	0	2,000	0
Loans charged-off		0	0	(1,000)	0
Recoveries		0	0	0	0
Ending Balance		2,000	2,000	2,000	2,000
Consumer [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		0	0	0	0
Adoption of ASU 2016-13	[1]		4,000		4,000
Loans And Leases Receivable Allowance Adjusted Balance							4,000
Provision (benefit) for credit losses		0	0	0	(4,000)
Ending Balance		0	0	0	0
Home Improvement [Member]
Allowance for loan losses
Beginning Balance				60,000
Ending Balance		55,000		55,000
Allocation of the Allowance to Loan Segments
Allowance for impaired loans		0		0		0
Allowance for non-impaired loans		55,000		55,000		60,000
Impaired loans		0		0		0
Non-impaired loans		1,868,000		1,868,000		$ 2,037,000
Home Improvement [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance		59,000	61,000	60,000	64,000
Adoption of ASU 2016-13	[1]		9,000		9,000
Loans And Leases Receivable Allowance Adjusted Balance							73,000
Provision (benefit) for credit losses		(4,000)	3,000	(5,000)	(9,000)
Loans charged-off		0	0	0	0
Recoveries		0	0	0	0
Ending Balance		55,000	64,000	55,000	64,000
Home Improvement [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance		0	0	0	0
Adoption of ASU 2016-13	[1]		0		0
Loans And Leases Receivable Allowance Adjusted Balance							0
Provision (benefit) for credit losses		0	0	0	0
Ending Balance		0	0	0	0
Unallocated [Member] | Allowance for credit losses for loans [Member]
Allowance for loan losses
Beginning Balance				0	144,000
Adoption of ASU 2016-13	[1]		(144,000)		(144,000)
Loans And Leases Receivable Allowance Adjusted Balance							0
Provision (benefit) for credit losses				0	0
Loans charged-off				0	0
Recoveries				0	0
Ending Balance		0	0	0	0
Unallocated [Member] | Allowance for credit losses for off-balance sheet exposures [Member]
Allowance for loan losses
Beginning Balance				0	0
Adoption of ASU 2016-13	[1]		0		0
Loans And Leases Receivable Allowance Adjusted Balance							$ 0
Provision (benefit) for credit losses				0	0
Ending Balance		$ 0	$ 0	$ 0	$ 0

[1] (1) Represents the net adjustment needed to reflect the cumulative day one impact pursuant to the Company's adoption of ASU 2016-13 (i.e., the cumulative effect adjustment related to the adoption of ASU 2016-13 as of July 1, 2023).