FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2020
FINANCIAL ASSETS
Cash and cash equivalents	$ 2,428	$ 2,551	$ 3,811	$ 2,500
Certificates of deposit	350	350
Investment securities - held to maturity	10,492	15,489
Mortgage-backed securities - held to maturity	99,958	82,459
Net loans receivable	81,300	80,684
Accrued interest receivable	980	749
FHLB stock	6,144	6,044
Bank owned life insurance	5,049	5,021
Deposits
Non-interest earning checking	23,948	25,452
Savings accounts	48,967	50,058
Money market accounts	23,214	22,995
Accrued interest payable	140	155
Agency [Member]
FINANCIAL ASSETS
Investment securities - held to maturity	99,585	82,059
Private-label [Member]
FINANCIAL ASSETS
Investment securities - held to maturity	373	400
Fair Value, Inputs, Level 1 [Member]
FINANCIAL ASSETS
Cash and cash equivalents	2,428	2,551
Certificates of deposit	350	350
Investment securities - held to maturity
Net loans receivable
Accrued interest receivable	980	749
FHLB stock	6,144	6,044
Bank owned life insurance	5,049	5,021
Deposits
Non-interest earning checking	23,948	25,452
Interest-earning checking	26,010	26,881
Savings accounts	48,967	50,058
Money market accounts	23,214	22,995
Certificates of deposit
Advance payments by borrowers for taxes and insurance	835	2,050
FHLB advances - fixed rate
FHLB advances - variable rate	25,000	25,000
FHLB short-term advances	115,594	113,093
Accrued interest payable	140	155
Fair Value, Inputs, Level 1 [Member] | Agency [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity
Fair Value, Inputs, Level 1 [Member] | Private-label [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity
Fair Value, Inputs, Level 2 [Member]
FINANCIAL ASSETS
Cash and cash equivalents
Certificates of deposit
Investment securities - held to maturity	10,582	15,592
Net loans receivable
Accrued interest receivable
FHLB stock
Bank owned life insurance
Deposits
Non-interest earning checking
Interest-earning checking
Savings accounts
Money market accounts
Certificates of deposit
Advance payments by borrowers for taxes and insurance
FHLB advances - fixed rate
FHLB advances - variable rate
FHLB short-term advances
Accrued interest payable
Fair Value, Inputs, Level 2 [Member] | Agency [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	99,711	82,202
Fair Value, Inputs, Level 2 [Member] | Private-label [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity
Fair Value, Inputs, Level 3 [Member]
FINANCIAL ASSETS
Cash and cash equivalents
Certificates of deposit
Investment securities - held to maturity
Net loans receivable	83,044	82,930
Accrued interest receivable
FHLB stock
Bank owned life insurance
Deposits
Non-interest earning checking
Interest-earning checking
Savings accounts
Money market accounts
Certificates of deposit	32,335	29,763
Advance payments by borrowers for taxes and insurance
FHLB advances - fixed rate	9,742	9,763
FHLB advances - variable rate
FHLB short-term advances
Accrued interest payable
Fair Value, Inputs, Level 3 [Member] | Agency [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity
Fair Value, Inputs, Level 3 [Member] | Private-label [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	432	457
Carrying (Reported) Amount, Fair Value Disclosure [Member]
FINANCIAL ASSETS
Cash and cash equivalents	2,428	2,551
Certificates of deposit	350	350
Investment securities - held to maturity	10,492	15,489
Net loans receivable	81,300	80,684
Accrued interest receivable	980	749
FHLB stock	6,144	6,044
Bank owned life insurance	5,049	5,021
Deposits
Non-interest earning checking	23,948	25,452
Interest-earning checking	26,010	26,881
Savings accounts	48,967	50,058
Money market accounts	23,214	22,995
Certificates of deposit	32,314	29,731
Advance payments by borrowers for taxes and insurance	835	2,050
FHLB advances - fixed rate	10,000	10,000
FHLB advances - variable rate	25,000	25,000
FHLB short-term advances	115,594	113,093
Accrued interest payable	140	155
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Agency [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	99,585	82,059
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Private-label [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	373	400
Estimate of Fair Value Measurement [Member]
FINANCIAL ASSETS
Cash and cash equivalents	2,428	2,551
Certificates of deposit	350	350
Investment securities - held to maturity	10,582	15,592
Net loans receivable	83,044	82,930
Accrued interest receivable	980	749
FHLB stock	6,144	6,044
Bank owned life insurance	5,049	5,021
Deposits
Non-interest earning checking	23,948	25,452
Interest-earning checking	26,010	26,881
Savings accounts	48,967	50,058
Money market accounts	23,214	22,995
Certificates of deposit	32,335	29,763
Advance payments by borrowers for taxes and insurance	835	2,050
FHLB advances - fixed rate	9,742	9,763
FHLB advances - variable rate	25,000	25,000
FHLB short-term advances	115,594	113,093
Accrued interest payable	140	155
Estimate of Fair Value Measurement [Member] | Agency [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	99,711	82,202
Estimate of Fair Value Measurement [Member] | Private-label [Member]
FINANCIAL ASSETS
Mortgage-backed securities - held to maturity	$ 432	$ 457