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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Allowance for Loan Losses:
Balance - Allowance for loans losses	$ 3,769	$ 3,475
Individually evaluated for impairment
Collectively evaluated for impairment	3,769	3,475
Balance - Loans receivable	487,272	473,991
Loan balance individually evaluated for impairment	6,507	7,455
Loan balance collectively evaluated for impairment	480,765	466,536
One-to four-family residential [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	533	587
Individually evaluated for impairment
Collectively evaluated for impairment	533	587
Balance - Loans receivable	176,483	178,336
Loan balance individually evaluated for impairment	2,503	3,124
Loan balance collectively evaluated for impairment	173,980	175,212
Commercial real estate [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	1,418	1,277
Individually evaluated for impairment
Collectively evaluated for impairment	1,418	1,277
Balance - Loans receivable	214,287	207,118
Loan balance individually evaluated for impairment	3,642	4,088
Loan balance collectively evaluated for impairment	210,645	203,030
Construction [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	442	490
Individually evaluated for impairment
Collectively evaluated for impairment	442	490
Balance - Loans receivable	22,948	22,622
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment	22,948	22,622
Home equity lines of credit [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	112	57
Individually evaluated for impairment
Collectively evaluated for impairment	112	57
Balance - Loans receivable	18,562	18,536
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment	18,562	18,536
Commercial business [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	1,158	956
Individually evaluated for impairment
Collectively evaluated for impairment	1,158	956
Balance - Loans receivable	49,335	41,113
Loan balance individually evaluated for impairment	362	243
Loan balance collectively evaluated for impairment	48,973	40,870
Other [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	4	6
Individually evaluated for impairment
Collectively evaluated for impairment	4	6
Balance - Loans receivable	5,657	6,266
Loan balance individually evaluated for impairment
Loan balance collectively evaluated for impairment	5,657	6,266
Unallocated [Member]
Allowance for Loan Losses:
Balance - Allowance for loans losses	102	102
Individually evaluated for impairment
Collectively evaluated for impairment	102	102
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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