LOANS RECEIVABLE, NET (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Allowance for Loan Losses:
Balance - Allowance for loans losses	$ 6,400	$ 4,888
Individually evaluated for impairment	221
Collectively evaluated for impairment	6,179	4,888
Balance - Loans receivable	611,259	523,001
Loan balance individually evaluated for impairment	14,161	10,354
Loan balance collectively evaluated for impairment	597,098	512,647
One-to four-family residential [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	1,035	731
Individually evaluated for impairment
Collectively evaluated for impairment	1,035	731
Balance - Loans receivable	210,360	190,415
Loan balance individually evaluated for impairment	2,601	1,405
Loan balance collectively evaluated for impairment	207,759	189,010
Commercial real estate [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	3,232	2,066
Individually evaluated for impairment	46
Collectively evaluated for impairment	3,186	2,066
Balance - Loans receivable	248,134	232,544
Loan balance individually evaluated for impairment	4,405	4,593
Loan balance collectively evaluated for impairment	243,729	227,951
Construction [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	672	511
Individually evaluated for impairment	175
Collectively evaluated for impairment	497	511
Balance - Loans receivable	28,242	28,451
Loan balance individually evaluated for impairment	5,141	2,900
Loan balance collectively evaluated for impairment	23,101	25,551
Home equity lines of credit [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	179	138
Individually evaluated for impairment
Collectively evaluated for impairment	179	138
Balance - Loans receivable	19,373	17,832
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment	19,373	17,832
Commercial business [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	1,034	1,184
Individually evaluated for impairment
Collectively evaluated for impairment	1,034	1,184
Balance - Loans receivable	100,993	48,769
Loan balance individually evaluated for impairment	2,014	1,456
Loan balance collectively evaluated for impairment	98,979	47,313
Other [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	1	8
Individually evaluated for impairment
Collectively evaluated for impairment	1	8
Balance - Loans receivable	4,157	4,990
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment	4,157	4,990
Unallocated [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	247	250
Individually evaluated for impairment
Collectively evaluated for impairment	247	250
Balance - Loans receivable
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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